steam light sailboat

Steaming Light on Sailboat: A Guide to Proper Usage

by Emma Sullivan | Aug 11, 2023 | Sailboat Maintenance

steam light sailboat

== Short answer: Steaming light on sailboat == A steaming light is a white navigation light fitted on the mast of a sailboat to provide visibility during low-visibility conditions. It is typically placed near the front side of the mast and angled downwards to indicate that the vessel is under power and moving forward. This light helps other boats identify and avoid collisions, ensuring safe navigation at night or in limited visibility situations.

Understanding the Purpose of a Steaming Light on a Sailboat: What You Need to Know

Have you ever been out on a sailboat and noticed a small light at the top of the mast? You might have wondered what its purpose is or why it’s necessary. Well, that little light is called a steaming light, and it plays a crucial role in ensuring safety and navigation on a sailboat . In this blog post, we will dive into the details of understanding the purpose of a steaming light on a sailboat.

To begin with, let’s clarify what exactly a steaming light is. A steaming light is a white-colored navigation light located on the front of the mast or near the bow of a sailboat. Its main function is to provide visibility to other vessels during low-light conditions or at night. This means that whether you’re sailing in foggy weather, dim lighting, or after sunset when natural visibility decreases, the steaming light will maximize your boat’s presence to prevent collisions with other boats.

So why is it specifically called a “steaming” light? The term “steaming” refers to sailing when using an engine rather than relying solely on wind power. When you are using your boat’s engine for propulsion instead of sailing with just your sails, it is known as “motoring” or “steaming.” The steaming light got its name because it primarily signifies that the vessel has powered propulsion engaged rather than utilizing only wind power.

Now that we know what a steaming light does and where it gets its name from let’s discuss more about its importance. One major reason for having this navigation aid onboard is compliance with international boating regulations and standards set by organizations like COLREGs (Convention on the International Regulations for Preventing Collisions at Sea). These regulations ensure safe navigation practices globally and require boats to display certain lights for visibility purposes both to avoid accidents and allow other captains to understand their intentions.

When operating under engine power, displaying only proper red (port) and green (starboard) sidelights can confuse other boaters, as these lights typically indicate the presence of a vessel under sail. To avoid such confusion, the use of a steaming light in conjunction with the appropriate sidelights clarifies that the boat is motoring and not just relying on its sails for propulsion.

Another important aspect to note about steaming lights is their distinct positioning on a sailboat . Typically, they are mounted at least one meter above the deck level to ensure maximum visibility. This height allows for unobstructed illumination, making it easier for other boaters to see your vessel from afar. It’s crucial to maintain this specific positioning to comply with regulations and maximize safety on the water.

In summary, understanding the purpose of a steaming light on a sailboat is essential for any sailor or boat owner. Its primary function is to provide visibility during low-light conditions or at night when using engine power instead of relying solely on wind power. By complying with international regulations and properly displaying navigation lights like a steaming light , you enhance safety by avoiding confusion between sailing and motoring vessels. So next time you’re out on the water after dusk or in foggy weather, remember the importance of that little but mighty steaming light atop your sailboat’s mast!

Step-by-Step Guide: How to Install a Steaming Light on Your Sailboat

Installing a steaming light on your sailboat might seem like a daunting task, but with the right guidance and a bit of patience, you’ll have it up and running in no time. In this step-by-step guide, we’ll walk you through the process of installing a steaming light on your sailboat, ensuring that you have a safe and well-lit vessel on your next sailing adventure.

Step 1: Gather the necessary tools and materials Before diving into the installation process, make sure you have all the tools and materials required. You’ll need a steaming light fixture, wires (preferably marine-grade), heat shrink tubing, electrical connectors, wire cutters/strippers, crimping tool, electrical tape, screwdrivers (flathead and Phillips-head), mounting brackets or screws if needed, and a drill with appropriate bits.

Step 2: Identify the ideal location for installation Finding the right spot for your steaming light is crucial as it needs to be clearly visible from all angles while ensuring it won’t interfere with other equipment or rigging. Typically, sailors prefer placing it at the masthead or near where the mast meets the deck.

Step 3: Prepare for installation Ensure that all power sources are disconnected before beginning any work. Next, carefully remove any existing fixtures or wiring from the chosen location (if applicable). If there’s already an ample power supply nearby (e.g., an existing navigation light circuit), tap into it to minimize additional wire routing.

Step 4: Mount the steaming light fixture If your chosen spot requires mounting brackets or screws for support, position them accordingly using suitable hardware. Ensure they are firmly secured to prevent any movement due to vibrations caused by sailing conditions. Attach the steaming light fixture securely to these brackets using screws provided with the fixture.

Step 5: Connect wires and ensure proper wiring configuration Strip off some insulation from both ends of each wire to be connected. Using heat shrink tubing, slide it over one end of each wire to ensure a clean finish once the connections are made. Connect the appropriate wires from the steaming light fixture to the power supply or existing wiring and secure them using electrical connectors. It’s crucial to follow a proper wiring configuration, so refer to the manufacturer’s instructions or consult a professional if needed.

Step 6: Test functionality and safety Once all connections are securely made, reconnect the power source and turn on your sailboat’s battery. Switch on your steaming light and verify that it’s functioning correctly. Check for any loose connections, flickering lights, or signs of overheating during this testing phase. If everything looks good, proceed to finalize the installation.

Step 7: Secure and protect the wires Using zip ties or cable clamps, neatly bundle and secure all wires along their path towards the power source or existing wiring nearby. This step is especially important as it prevents any accidental snagging or damage caused by movement while sailing.

Step 8: Add finishing touches To ensure long-lasting durability and protection against environmental factors (moisture, saltwater), add an extra layer of weather-resistant insulation tape around exposed wiring connections. This additional safeguard will help shield your newly installed steaming light from any potential issues that may arise due to harsh maritime conditions.

By following these step-by-step instructions carefully, you can install a steaming light on your sailboat like a pro! Not only will you be adding an essential safety feature to illuminate your vessel in low visibility situations but also enhancing its overall aesthetics for impressive nighttime sailing adventures. So don’t let darkness dampen your enthusiasm – take charge of your boat’s illumination and enjoy safe sailing every time!

Common FAQs About Steaming Lights on Sailboats: Answered!

Introduction: When it comes to sailboats, there are often many questions that arise about various aspects of their features and functionalities. One such area of curiosity is the steaming lights on these vessels . To shed some light on this topic, we have put together a list of common frequently asked questions (FAQs) regarding steaming lights on sailboats, along with their detailed answers. So without further ado, let’s dive into these queries and unravel the mysteries surrounding steaming lights!

Question 1: What are steaming lights? Answer: Steaming lights refer to a specific type of navigation light installed on sailboats . These lights are commonly found on the front or aft of a vessel and emit a white light that extends over a defined arc.

Question 2: Why are steaming lights necessary for sailboats ? Answer: The main purpose of steaming lights is to ensure the safety and visibility of sailboats while navigating in low visibility conditions or at night. By illuminating the boat from forward or aft, they help other vessels identify its position, direction, and whether it is underway.

Question 3: Are steaming lights always required to be displayed ? Answer: Yes, according to international maritime regulations (COLREGS), all mechanically propelled vessels (including sailboats) exceeding a certain length must display proper navigation lights during nighttime navigation or in times of restricted visibility. Steaming lights are an essential component of these required navigational signaling devices.

Question 4: Where should steaming lights be positioned on a sailboat ? Answer: Typically, steaming lights are mounted on either the front masthead or closer to the bow (foremost part) of the vessel . The exact positioning depends on the boat’s design and requirements outlined by local boating regulations.

Question 5: Can other colored lights be used instead of white for sailing at night? Answer: No, according to international standards, specifically Rule 23 of COLREGS, steaming lights on sailboats must emit a white color to maintain consistency and avoid confusion with other types of vessels. White lights also have the advantage of visibility at greater distances.

Question 6: Are there any rules regarding the brightness or intensity of steaming lights ? Answer: Yes, regulations exist concerning the luminous intensity required from steaming lights . However, these requirements differ depending on the length of the vessel and are specified in international maritime regulations or local boating guidelines. Sailors must ensure their steaming lights meet these specifications.

Question 7: Can steaming lights be used while at anchor or in port? Answer: No, steaming lights should not be used while a sailboat is at anchor or docked in a port. These lights are specifically designed to indicate that a vessel is underway. When anchored or moored, different lighting configurations, such as an anchor light or deck-level navigation lights, should be used instead.

Conclusion: Understanding the significance and proper usage of steaming lights on sailboats is crucial for both experienced sailors and newcomers to ensure boating safety. In this blog post, we have addressed some common questions about these navigation lights and provided detailed explanations for each query. By following international regulations and local guidelines regarding the positioning, color, brightness, and usage of these essential lighting devices, sailors can navigate their vessels confidently even in reduced visibility conditions. Remember, responsible sailing includes being knowledgeable about every aspect of your boat’s equipment – including its illuminating features!

Choosing the Right Steaming Light for Your Sailboat: Factors to Consider

Picture this: you’re sailing gracefully through the open waters, harnessing the power of the wind, when suddenly darkness descends upon you. The sun has set, and it’s time to rely on your trusty steaming light to guide your way. But wait! How do you choose the right one? Fear not, fellow sailors, for we are here to shed some light (pun intended) on this important decision. Here are some factors you should consider before picking out the perfect steaming light.

1. Regulations and Safety Standards: First and foremost, always adhere to regulations and safety standards set by maritime authorities. Different jurisdictions might have specific requirements regarding visibility range, color specifications, mounting heights, and more. Familiarize yourself with these guidelines to avoid unnecessary fines or safety hazards.

2. Visibility: Ahoy there! One of the primary purposes of a steaming light is to ensure that other vessels can see you while underway. Consider both the intensity of the light and its range. Opt for a light that boasts exceptional brightness without blinding nearby captains (we don’t want any sailors rubbing their eyes in confusion!).

3. Energy Efficiency: As responsible stewards of our oceans, sustainability should always be on our minds – even when it comes to choosing a simple steaming light. Look for LED lights as they consume significantly less power compared to traditional incandescent bulbs while providing excellent illumination throughout your journey.

4. Durability: When it comes to marine equipment, durability is essential since it may face harsh weather conditions such as intense sun exposure and heavy rainstorms – not to mention saltwater corrosion! Seek a steaming light specifically designed for marine environments; preferably made from strong materials like stainless steel or robust plastics.

5. Ease of Installation: Unless you’re an adept sailor who thrives on complex wiring tasks reminiscent of navigating through treacherous waters, selecting a steaming light that is easy to install and maintain is paramount. Look for lights that come with simple mounting options and clear instructions – nobody wants to be left in the dark (literally) while fumbling around with confusing installation manuals.

6. Compatibility: Your sailboat’s existing electrical system should be considered when choosing a steaming light. Ensure that the voltage requirements of your chosen light match those of your marine battery system. Additionally, check if the wiring connections are compatible for seamless integration.

7. Aesthetics: Ah, sailors are known for their keen sense of style! While aesthetics may not directly impact the functionality of a steaming light, many sailors take pride in outfitting their vessels with accessories that enhance its overall design. Consider opting for a sleek and modern design that complements the aesthetics of your sailboat while providing superior performance.

8. Value for Money: As much as we hate to admit it, costs play an important role in decision-making processes. Research different brands and models to find out which ones offer excellent value for money without compromising on quality or reliability. Remember, skimping on safety equipment isn’t just unwise; it could also turn into an expensive mistake down the line.

By considering these factors and conducting thorough research, you can confidently choose the right steaming light for your sailboat – ensuring safer navigation during both day and night expeditions. May your voyages always be illuminated by the perfect beacon, guiding you towards memorable adventures on the high seas !

Troubleshooting Tips for Maintaining your Steaming Light on a Sailboat

Maintaining the steaming light on a sailboat is essential for safe navigation, especially during low visibility conditions. This small but mighty light not only helps you see ahead but also signals your presence to other vessels on the water. However, as with any electrical equipment, issues can arise that require troubleshooting and maintenance. In this blog post, we will provide you with professional, witty, and clever tips to ensure your steaming light stays in top-notch condition.

1. Check the Basics: First things first – let’s start with the basics! Before diving into complex troubleshooting techniques, make sure to inspect the obvious factors that could lead to a malfunctioning steaming light. Check if it’s properly connected and securely fastened to avoid loose or faulty wiring connections—an easy fix that might save you hours of troubleshooting later!

2. Don’t Underestimate Corrosion: Ahoy there Captain! When it comes to maritime environments, corrosion is your worst enemy. The combination of saltwater spray and constant exposure can wreak havoc on electrical systems onboard; your steaming light is no exception! Regularly inspect the contacts and terminals for signs of corrosion or rust buildup. Use a brush or a fine-grit sandpaper to remove any unwanted visitors from these surfaces. Remember, a clean connection ensures optimal performance !

3. Fuse in Time Saves Nine: Some sailors tend to forget about fuses while troubleshooting their boat’s lighting system—don’t be one of them! The humble fuse protects your electrical system from potential overloads, shorts, and fire hazards caused by an unexpected surge in current flow . If your steaming light fails to illuminate even after checking wiring connections and corrosion issues, don’t overlook this vital component! Replace any blown fuses promptly according to their specifications.

4. Shine Bright Like a Pro: “A dim steaming light? Oh buoy!” Dim lights can affect visibility for both yourself and other mariners around you—so don’t compromise on this important safety feature! If your steaming light seems less luminous than usual, check for bulb degradation. Even a slightly loose bulb can significantly reduce its brightness. Tighten it up carefully or, better yet, replace it with a fresh and bright LED bulb that offers increased energy efficiency and longevity.

5. Put the Voltmeter to Work: When all else fails, put your trust in technology! The trusty voltmeter can help you diagnose electrical issues like a true sailor troubleshooter. Connect the meter to the terminals of your steaming light and measure the voltage supply when turned on. An insufficient voltage reading indicates wiring problems or potential battery drain issues that need further inspection.

6. Beware of Murphy’s Law: Ahoy there Landlubber! When troubleshooting any onboard issue, always keep Murphy’s Law in mind: “Anything that can go wrong will go wrong.” That’s why having spare parts like bulbs, fuses, and even extra wire connectors is essential for sailboat maintenance. Preparation is key when cruising on the open water !

7. Seek Help from Fellow Sea Dogs: Remember, you’re not sailing alone in this boat—a vast community of seasoned sea dogs is out there ready to lend a helping hand! Don’t hesitate to consult online forums or reach out to fellow sailors who might have encountered similar issues before. They may share their witty anecdotes and clever solutions that could solve your steaming light troubles faster than you think!

At the end of the day, maintaining your steaming light is not just about complying with maritime regulations; it’s about ensuring safe passage for both yourself and others on the waterways. By following these troubleshooting tips – from checking connections and addressing corrosion to involving technology like voltmeters – you’ll be able to maintain an illuminated path amidst challenging maritime conditions.

So set sail confidently knowing that even if darkness falls upon you (figuratively or literally), you’ll be well-prepared to troubleshoot and maintain your steaming light like a true professional sailor.

Don’t Set Sail Without It: The Importance of a Functional Steaming Light

When embarking on a sailing adventure, it’s crucial to ensure that every aspect of your vessel is in impeccable condition. From the sails to the rudder and everything in between, one essential component that often goes unnoticed is the steaming light. This small yet mighty fixture plays a significant role in ensuring both your safety and that of other sailors out on the water. In this blog post, we will explore why having a functional steaming light should never be overlooked when setting sail.

Firstly, let’s understand what a steaming light actually is. Mounted on top of the mast or at its front, the steaming light serves as an all-around white navigation light for boats under power. Its primary purpose is to help you stay visible to other vessels nearby by indicating your direction of travel at night or during periods of diminished visibility such as fog or heavy rain.

Now, you may be wondering why this seemingly inconspicuous light deserves so much attention. Well, think about it – imagine sailing through dense fog without a working steaming light! Without this beacon guiding your path, not only are you jeopardizing your own safety but also putting fellow seafarers at risk by refusing to comply with maritime regulations.

Additionally, navigating harbors and congested waterways becomes an even greater challenge without an operational steaming light. Picture yourself approaching a bustling marina late into the evening; by illuminating your boat’s foredeck with its bright white glow, the steaming light acts as a signal for others around you to be cautious and respect your right of way. This simple yet effective communication tool prevents accidental collisions and fosters harmony among boaters sharing busy waters.

But if safety isn’t reason enough to prioritize a fully functioning steaming light before each voyage, consider this: Mariners have an inherent responsibility to adhere to international maritime regulations set forth by bodies such as the International Maritime Organization (IMO). These regulations explicitly state that every vessel under power must display a white steaming light while underway during hours of darkness or limited visibility. By neglecting this requirement, you not only risk severe penalties but also jeopardize your reputation as a responsible boater.

Now that we understand the importance of a functional steaming light, it’s essential to keep it well-maintained and regularly inspected. After all, there’s nothing worse than setting sail only to have your navigation light fail at the most inopportune moment. Inspecting the wiring, replacing any worn-out bulbs, and ensuring proper alignment are simple steps that should form part of your pre-departure routine.

Remember, when it comes to sailing, “Don’t Set Sail Without It: The Importance of a Functional Steaming Light.” This unassuming yet crucial piece of equipment acts as both an indispensable safety feature and a responsible adherence to maritime regulations. So, before you embark on your next voyage, take the time to ensure that your steaming light is functioning optimally – after all, smooth seas start with being visible and considerate towards fellow sailors!

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Navigation Lights for Sailboats (And How To Read Them)

Navigation Lights for Sailboats (And How To Read Them) | Life of Sailing

Last Updated by

Capt Chris German

June 15, 2022

Navigation lights on a sailboat can be confusing. If you understand the reason behind why they are the way they are however, they can make a lot more sense.

At their heart, sailboats are really just a power boat and as such must adhere to all power boat rules such as navigation lights. Other times however, a sailboat is classified in a special category. They have a set of additional lights they CAN show as an option, but are not always required to do so.

That’s about as clear as mud if you ask me and I contend that that is where the confusion about lighting a sailboat begins.

Just because you can show a light to identify yourself in times of low visibility, does not mean you have to and then we add in a little sibling rivalry between power and sail and things get downright adversarial when it comes to navigation and the night.

Table of contents

The USCG says You’re a Power Boat Whether You Like It or Not

Much to the consternation of many a sailor who has earned a commercial license to drive their sailboat, when you received your credential from the USCG it says you are a master of steam and power across the top with no mention of wind as a source of propulsion.

It is not until you read the back pages of your little red book that feels like a passport and looks like a US Sailing credential, that you will see the term “sail auxiliary”. That is because most of the time the U.S. Coast Guard knows that you are primarily reliant on your mechanical power to propel your vessel.

It's a sad thing, but the days of commercially viable sail boats are done and all but the most select few even have sails let alone use them as their primary power source. All sail boats by law are powerboats, but not all powerboats are sailboats.

Navigation Lights for a Power Boat

As a power boat, you are required to show certain lights and have been required to do so before power was even invented. 

In the days of man powered vessels like the viking ships who relied on oars while in close quarters to power their vessels, they needed to show other boats, friend or foe, where they were by showing lanterns in the dark to identify themselves. As you know, it is a time honored rule among all the nations of the world both past and present, that you must avoid a collision at all costs while at sea and even the viking knew that you should not run into things.

By lighting the front and back of your boat, you could warn other boats of your presence as well as identify which way you were heading. As such there is a very specific rule in the Code of Federal Regulations Number 46 (CFR46 by common name) that spells out with detail how many, the color, the luminosity or brightness, the angle of visibility and the location of all of the lights required for navigation on every single boat, seaplane, submarine and other nondescript vessel conceived by man to date that they must show while underway in reduced visibility.

And there is no flexibility in the rules.

As such a power boat, and by extension all sailboats, MUST, without question show one green light on the starboard bow and one red light on the port bow and one all around white light or lights while operating in reduced visibility. These lights should shine at all 360 degrees of visibility with the bow lights shining at an angle of dead ahead to 22.5 degrees abaft the beam and the stern lights shining 225 degrees dead aft. A forward facing masthead light that is white in color shall shine forward to comply with the directive that all vessels must carry an all around white light. For more read here .

As you can see, there isn’t much wiggle room when it comes to lights that must be shown.

Sailboats get a little flexibility with lights

Sailboats however, are a little different when they are in fact sailboats, which is only when you are entirely reliant on the wind for power and in no way reliant on any mechanical or manual means of propulsion. And for good reason.

Back in the day when men were men and sailboats were wooden, fire was a major concern. Sails were coated with wax and other flammable substances and the wood on boats was saturated with oils and grease. Even the ropes were plant materials saturated with oils to keep them pliable and strong.

Add those highly flammable substances to a parching environment like the sea and you had what was essentially a giant floating tinderbox.

Then tell that giant floating tinderbox that they need to identify themselves to the world at large at night using oil lamps with flames because batteries and lights were not invented yet. It didn't take very long or very many ships burning to the water line for the Governments to say to the sailboats, you get to do things a little different.

As such, sailboats are given special dispensation when it comes to lights aloft. They don't have to show an all around white light in their rigging because no one wanted to set their rig on fire with oil lamps 60 feet up in their rig.

However, when a sailboat takes their sails down such as when they are powered or at anchor, they must resume the display of an all around white light or lights aloft. That became a real challenge with aluminum masts and the disappearance of rat lines on the shrouds because there was no easy way to climb the rig and check the bulbs up the mast on a regular basis. 

Red over Green Sailing Machine

I have no idea where the history of this particular light comes from, but if you ever take a deck exam with the USCG, you better remember this mnemonic. An all around red light over an all around green may be displayed on a vessel during times of reduced visibility to indicate that a vessel is operating under sail power alone. 

I won’t even speculate on how or why they came up with this particular light configuration, but if you want to use these lights as a sailing vessel, you can do so, but that means that you will need three all round lights at the top of your mast, an all around white, an all around red and an all around green, just in that order.

The red over green is to be displayed in addition to the running lights or the red and green bow lights with the 225 degree stern light. As always, when the motor comes on, so does the steaming light or the forward facing white light that is also usually about ¾ of the way up on your mast to complete the requirement of an all around white light that indicates a power vessel.

What is a “steaming light” and why are you mentioning it now?

Most sailboat electrical panels will have a switch that is labelled “steaming light” and it will only come on when your anchor light is off. This is probably the most confusing part of sailboat navigation lights so if you are confused about this, you're in good company as most people are. 

A “steaming” light is named thusly, going back to the days of steam powered sailboats where when they fired up their boilers and doused the sails, they became a power boat once again. There aren’t too many steam powered boats, let alone steam powered sailboats, but the name stuck and it is a vestige of a bygone era.

Either way, when you fire up your motor, you turn on your “steaming light” and that locks out the all around white light which is used for anchoring to minimize the number of switches on your panel and reduce the number of wires in your mast. The fewer wires, the less chance of something not working or becoming disconnected.

The steaming light and the anchor light both go up the mast, but you can’t use an all around white light while using the 225 degree stern light at the deck level because to other boaters you would look like you have two white lights from the stern and that would be confusing.

The anchor light is used exclusively for anchoring while the steaming light is used to indicate you are a power vessel while underway.

As to why I am mentioning it now in the article, is because this would have blown your mind if I started with this subject cause it can be really confusing stuff.

Aspect Recognition with Lights

Remember when I said earlier that lights can help you tell others which way you are heading as well as tell you which way other boats are heading? That is called the aspect of the vessel and the USCG tests you on this for your deck exam as well. 

Knowing that the bow lights go 22.5 degrees abaft the beam on both sides or 112.5 degrees on each side, and the stern light faces 225 degrees aft for a total of 360 degrees of visibility, you can tell a lot about where a boat is heading and who has the right of way.

One thing that's easy to remember is red means stop and if you see a vessel's red light, it means stop as you are the give way vessel and approaching the other vessel from his port side. Conversely it works with green as well as that means you are approaching from the other vessel's starboard side and you are the standon vessel.

If you see a red and green light equally low on the horizon, that means your heading dead on into another vessel's path and conversely if all you see is a white light low on the horizon, it means you are overtaking another vessel power or sail, we don’t care because it is an overtaking situation. However, any time you do see a white light aloft in addition to the red and green bow lights, you know you are encountering a power boat.

Then there are angular approaches as well, where you see white and red or white and green light low on the horizon. You know in that case you are seeing a portion of the bow lights and stern lights from the side approaches of a vessel. Based on which direction those lights are heading, you can deduce which way that boat is going in relation to your boat.

So put it all together and you see a green light and a white light low on the horizon with a red over green light aloft, you know that you are approaching a sailboat that is traveling to your port and that might make you the standon vessel. That is of course, if we didn’t concern ourselves with windward and leeward and port tacks and starboard tacks, but that is a discussion for another article. So stay tuned when we talk about sailing rules and the right of way. But for now, do good, have fun and sail far.

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Capt Chris German is a life long sailor and licensed captain who has taught thousands to sail over the last 20 years. In 2007, he founded a US Sailing-based community sailing school in Bridgeport, CT for inner city youth and families. When Hurricane Sandy forced him to abandon those efforts, he moved to North Carolina where he set out to share this love for broadcasting and sailing with a growing web-based television audience through The Charted Life Television Network.

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Navigation Lights for Sailboats (And How To Read Them)

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Proper Nav Lights Keep You Safe

  • By Steve D' Antonio
  • Updated: December 7, 2011

steam light sailboat

Running Lights

There’s one sure way to avoid being run down when sailing at night: Be seen. Make yourself visible by putting your running lights in good working order, and ensure that they comply with U.S. Coast Guard regulations. If you’re involved in a collision and your navigation lights aren’t compliant, you may be found at fault.

The most common problems involve how and where the lights are mounted. Take a careful look at each fixture; depending on the size of your vessel and its configuration of sail and power, your boat may have as many as six navigation lights: port, starboard, stern, masthead tricolor, steaming, and anchor. Make sure that no light is obstructed in any way. The usual suspects include davit-hung tenders and other stern-mounted gear as well as mast-mounted radar domes. In some cases, I’ve seen the transom itself block a portion of a stern light’s required arc of visibility.

Additionally, be sure that your side lights are mounted on surfaces that are vertical and parallel with the boat’s centerline. Side lights that are mounted on bow rails and are parallel with the rail rather than the centerline can have the effect of overlapping their red and green arcs when viewed from angles other than dead ahead, making it seem to others who are forward of you as if you’re heading directly for them when, in fact, you may not be.

Stern and masthead lights should be vertical and mounted perpendicular to the vessel’s centerline.

Side lights must be installed above the sheer line. Even if this weren’t a regulation, I’d strongly recommend replacing ones embedded in the hull; they’re less visible, particularly when the boat’s heeled, and are exposed to spray and a greater chance of immersion.

Tricolor lights can only be used when under sail. Under power, conventional deck-level lights and a steaming light must be used. At no time can both deck and tricolor lights shine simultaneously. In order to avoid this nav-light faux pas, consider installing a two-position switch (supplied by a nav-light circuit breaker) that activates either the steaming or sailing configuration.

When selecting, inspecting, and replacing navigation lights, be sure that they carry a U.S. Coast Guard approval label. Select fixtures that are appropriate for your vessel’s length, and make sure that the wattage of every bulb is correct.

Imagine disassembling a light housing with a small screwdriver while you’re hanging over a bow rail or sitting in a bosun’s chair; I prefer to use incandescent fixtures that can be serviced without tools. Remember, too, that while L.E.D. lights are virtually exempt from bulb failure, they’re no less prone to wiring and connection issues. Make certain that all nav-light wiring is fully waterproofed using either heat-shrink tubing and/or sealant. Wiring to masthead lights should be run so that its weight isn’t supported by the fixture. Navigation lights are your ally in the safe handling of your vessel. Make sure that yours can always be seen.

Steve D’Antonio offers services for boat owners and buyers through Steve D’Antonio Marine Consulting .

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Steaming light

Robert Melotti

  • Robert Melotti
  • January 5, 2010

The white, forward-showing light carried by a powered vessel by night or in bad visibility. In the Collision Regulations this is called a ‘Masthead Light’ (though not required to be carried at the masthead) and it must show from dead ahead to 22.5 degrees abaft the beam on each side. A vessel of less than fifty metres length may show one such light: those longer must show another similar light farther aft and higher up. A boat under sail does not show a forward white light.

Masthead light

The masthead light is a white, forward-facing light that must be displayed by boats at night when operating under motor power. This light is often referred to as the " steaming light " (despite the fact that very few boats actually use steam power). The light must shine forward over an arc of 225 degrees. Like all navigation lights, the masthead light must be on between sunset and sunrise.

On sailboats, this masthead light is not at the top of the mast, as the name seems to imply. The light is usually placed about 2/3 of the way up the mast. The masthead light on a sailboat should not be confused with the tricolor light or the anchor light , which are both located at the top of the mast.

On vessels under 12m, the masthead light and sternlight can be combined into a single all-round white light.

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Navigation Lights on Sailing Yachts and Motor Boats

Navigation Lights on Sailing Yachts and Motor Boats

Navigation lights ensure the safety of everyone at sea. The Convention on the International Regulations for Preventing Collisions at Sea (IMO COLREG 72) precisely sets out the guidelines for navigation lights, i.e., displaying lights, their range (distance from which the light is visible), as well as how they should be constructed and assembled. Our guide is of interest to sailors and sports boats enthusiasts with boats up to 20 m in length.

Regulations and official certifications:

When must navigation lights be displayed, what are the regulations concerning the use of navigation lights at sea, how do i know that my lights are eu-compliant, what is a ce mark, how are navigation lights defined, minimum range of navigation lights:.

  • From what distance must lights be visible?
  • What lights are required for my boat?

What lights must be displayed on a sailboat or rowing boat with a motor?

What lights should i exhibit when at anchor, what lights should be displayed to show that a vessel is unable to manoeuvre.

  • How do I indicate that my vessel has run aground?

Navigation lights – Conventional and LED:

What distinguishes led from conventional navigation lights.

  • Replacement bulbs for conventional & LED lights

What are the advantages of LED navigation lights?

Switching from conventional to led navigation lights.

According to COLREGs part C, rule 20), navigation lights must always be used on board from sunset to sunrise or during the day if visibility is poor.

Please refer to the German Traffic Regulations for Navigable Maritime Waterways , §8 -10 and Preventing Collisions at Sea. Part C - Lights and Shapes. rules 20 - 31, and annexes I 1. - 14 for the exact wording.

NOTE: Vessels that are authorised to fly the German flag are generally only permitted to use approved navigation lights and sound signalling devices.

EU approval can be identified via the wheel mark symbol and the notified body number. BSH approved navigation lights (previously DHI) are marked with a model number (e.g., BSH/00/01/90).

However, even older lights with DHI approval that have already been installed maintain their approval, despite the changes made by the BSH.

In addition to the wheel mark symbol and German BSH approval, some lights are also approved by other countries, such as RINA (Registro Italiano Navale), MCA (Maritime and Coastguard Agency) and the USCG (United States Coast Guard). These are now recognised, provided the approval comes from the national approval body recognised in the country of origin.

National bodies whose accreditation is currently recognised in Germany:

The wheel mark symbol indicates approval of the Marine Equipment Directive (MED). This approval is valid for all EU member states, both for commercial vessels and recreational shipping.

0098 = Notified Body number (here 0098 = Germanischer Lloyd in Hamburg) 18 = year in which the mark is affixed, here 2018

Basisschicht

  • A CE mark is a symbol that must be affixed to a product by the manufacturer before it is sold on the European market. It indicates that the manufacturer is aware of the specific requirements for the product in question and that it fulfils the requirements of relevant European product directives. A CE mark does not supersede approval according to collision prevention regulations.
  • Navigation lights are defined in detail by the International Maritime Organization (IMO), according to the International Regulations for Preventing Collisions at Sea, 1972 (COLREGs) Convention on the International Regulations for Preventing Collisions at Sea, 1972), in sections C and D. The following rules apply:

Which navigation lights are required on board according to IMO COL REG?

Definitions according to the 1972 International Regulations for Prevention of Collisions at Sea (COL REG 72):

Side lights

1. Side lights for starboard and port

A green light on the starboard side and a red light on the port side, which shine from dead ahead in an arc of 112.5° aft to a point 22.5° abaft the beam (behind the beam) on either side of the vessel. On ships of less than 20 metres in length, the two individual sidelights may be replaced by a dual-colour combined light. This must be centrally located on the bow and stern axis.

Stern light

2. Stern light

A white light mounted as close to the stern as possible and shines dead ahead in an arc of 135° (67.5° to each side). The mounting height should be aligned to the height of the side lights and should never be higher.

Three-colour light for sailing vessels (sailing lights)

3. Three-colour light for sailing vessels (sailing lights)

On sail boats up to a length of 20 m, the side light and stern light can be combined into one three-colour light mounted on top of the mast. However, as soon as the sail boat's motor is engaged, the use of a three-colour light is no longer permitted. The rules for motor-powered vessels then apply.

Mast-head light

4. Mast-head light

A white light placed over the centre line of the vessel and shines dead ahead in an arc of 225° (from straight ahead up to 22.5° more aft than crosswise to each side). The mounting height should be at least 1 m higher than the side lights. In the past, the mast-head light was also referred to as a steam boat light or steamer light, as it is only seen on ships that operate under engine power.

Signal light or all-round light

5. Signal light or all-round light

A light that shines in a complete circle of 360°. It may emit white, red or green light, depending on use. Examples of use: All sailboats and motorboats at anchor must exhibit a white anchor light . Ships over 12m in length must, if necessary, display vessel-in-distress lights (two red signal lights) placed at a vertical distance of at least 12 m. The distance between such lights must not exceed 1 m.

From what distance must navigation lights be visible?

The range indicates the distance from which the light can be seen. The minimum ranges of navigation lights are defined according to ship size as follows::

Best-seller Hella marine

Image of NaviLED Port Navigation Light, white

Note: When sailing boats are powered by a motor, the rules for motorboats apply and not for sailboats. The tricolour light may then no longer be displayed.

Displaying lights for sailboats up to 20 m

Displaying lights for sailboats up to 20 m

1 x red port side light

1 x green starboard light

1 x stern light

Also allowed:

1 x red all-round light on or near the mast top

1 x green all-round light on or near the mast top

Displaying lights for sailboats up to 20 m

1 x 3-colour light

Sailing vessels under 7 m (dinghies or small sports boats)

Sailing vessels under 7 m (dinghies or small sports boats)

If, due to their design, no modern lights can be fitted, sailing vessels under 7 m in length and vessels being rowed must always carry an electric torch or lantern showing a white light, ready to exhibit in sufficient time to prevent a collision.

1 x Electric light or a torch with white light

Motorised vessels over 12 m

Motorised vessels over 12 m

Lights used must be either / or:

1 x white masthead light fore

Motorised vessels over 12 m

1 x dual colour light

Motorised vessels under 12 m

Motorised vessels under 12 m

Alternatively, motorised vessels under 12 m can exhibit the following lights:

1 x white all-round light

Motorised vessels under 12 m

Motorised vessels under 7 m and 7 knots maximum speed (small motor boats, dinghies or inflatables):

Motorised vehicles under 7 metres and with a maximum speed of no more than 7 knots can display the following navigation lights: all-round lights, portside and starboard lights.

The following applies in accordance with German Traffic Regulations for Navigable Maritime Waterways (SeeSchStrO): If, due to their design, no lights can be displayed (e.g., dinghies), sailing vessels under 7 m in length and 7 knots maximum speed must carry an electric hand-held spotlight or a torch to prevent collisions in the dark.

Left: 1 x white all-round light, 1 x red port side light, 1 x green starboard light

Right: 1 x hand-held spotlight or torch

Best-seller Aqua Signal Conventional

Image of Series 41 Bicolour Light, black housing

Best-seller Aqua Signal LED

Image of Series 34 LED Tricolour / Anchor Light / black housing

Provided no engine power is used, the rules for sailboats apply. Motor-sailing vessels must display a large black cone pointing downwards when sailing during the day or at good light.

For vessels travelling under sail or at rudder during darkness or at reduced visibility, the rules for carrying lights for motorised boats automatically apply. This then depends on the length of the boat.

By day with a black cone, tip pointing downwards.

Visual signalling equipment

Image of Motoring Cone

Torches & Spotlights

Image of Portable Halogen Search Light / 12 V

How must navigation lights be mounted on board?

Navigation lights must be securely mounted perpendicular to the waterline. Mast-head lights and stern lights should both be placed above the keel line.

At anchor during daylight? This must be displayed with a black anchor ball.

If the vessel is anchored outside of an area of water known by the River and Shipping Police Authority as an anchorage and berth for small vessels, this must be indicated as follows:

A black ball by day, 1 x white all-round light at night

Vessels at anchor

Marker Lights

Image of Universal Bulb / Anchoring Light 12 V

If your boat is unable to manoeuvre*, this should be indicated as follows:

Stationary: 2 x red all-round light, 2 x black ball, one below the other (during the day)

Moving: 1 x red port side light, 1 x green starboard light, 1 x white stern light

* A vessel is described as if, due to exceptional circumstances (e.g., rudder failure or engine malfunction), it cannot manoeuvre as prescribed and therefore cannot avoid another vessel.

Vessels that have run aground

How do I indicate correctly that my sailboat or motorboat has run aground?

If your boat has run aground, this should be indicated as follows:

2 x red all-round light, 1 x white all-round light, 3 x black ball, one below the other (during the day)

Manufacturers that specialise in navigation lights such as Aqua Signal or Hella Marine supply a wide range of internationally approved navigation lights which work with conventional (with BSH bulb) or with permanently installed light-emitting semiconductor components (LEDs). The bulbs required for operation are an integral part of the approval. Replacement bulbs must also be certified so that approval / your insurance protection is guaranteed. Ships under 20 m: Stern and anchor lights require BSH-approved light bulbs with 10 watts, all other navigation lights 25 watts.

All series listed above with BAY15d sockets could alternatively be operated with a high-Power LED . The big advantage in doing so is that the LED is suitable for multiple voltages (10-30 V) and consumes just 3 watts during operation. Since the light colour, range of light or beam angle can vary depending on the housing, this light is NOT yet internationally approved.

Spare Bulbs - Conventional & LED

Image of Spare Bulb for Navigation Lights / 12 V / 10 W

Energy consumption on sailing ships is, as ever, a topic of significant interest. This is especially true for blue-water sailors who like to sail longer distances at a stretch. The arguments for converting to LED technology are as follows:

  • High energy savings due to the low power consumption
  • Long lifespan (over 10,000 hours)
  • MultivoltTM technology (10-30V) with greater tolerance to voltage peaks
  • Compact and light housing constructions
  • Waterproofed, hermetically sealed housings
  • Maintenance free

When switching completely from conventional navigation lights to LED lights, lights with the BSH seal of approval / EU wheel mark meet all the requirements in terms of light colour (no risk of blue tint), range of light and beam angle, and that you are travelling in accordance with KVR.

Navigation lights with LED technology

Image of NaviLED PRO Starboard Light / black / with BSH/Wheelmark-certification

Replacing your navigation lights is often easy to do as manufacturers usually use the same mounting points for LED lights or have an adapter plate for further use of existing drill holes:

adapter plate

Adapter plate

Image of Cover Plate for Mounting on Series 40 / 43 / 50 Brackets

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Written by our SVB (technical) experts

Written by our SVB (technical) experts

Our SVB safety experts regularly carry out maintenance checks and tests on our safety products, such as life jackets, life rafts etc. They test products and base their recommendations on many years of experience and their own know-how.

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  • Navigation Lights

Foredeck / Steaming Combination Navigation Light - Economy Series 25

Series 25 Type Combo Steaming Light and Deck Light

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Product Description

Combination led masthead steaming light and foredeck light for sailboat masts.

Our customers were looking for a more economical alternative to our purpose-built LED combo light, so we introduced this attractive fixture. We source the housing from a well-known marine fixture manufacturer, then replace the standard bulbs with much brighter, more reliable LEDs that last years longer and reduces the energy used by 85%. 

You won't be disappointed, and that is 100% guaranteed by the sailors at Marinebeam.

If your original Aqua Signal Series 25 or Hella combo light is tired, or cracked, or you just want to upgrade to LEDs without breaking the bank, this economy fixture is a perfect solution. This is a 3-wire light, with the LED deck light and the LED steaming light controlled separately. The steaming light features our super-bright 12-LED cool white festoon bulb, while the deck light uses our MR16 4-LED spot light or optional red / white switchable bulb (only recommended for smaller masts). These lights are super-efficient compared to the halogen lights they replace. The black ear tabs on the sides fold back and conform to the shape of the mast and are secured with screws or rivets.  

Product Videos

Custom field, product reviews, write a review.

Series 25 Type Combo Steaming Light and Deck Light

7 Reviews Hide Reviews Show Reviews

Initial unboxing and questions.

Posted by Gary Dick on 27th Sep 2022

I have not yet installed the Eco Series 25 Masthead and White/Red Deck light. Installation is imminent next time I lower my mast. Apparently, there are no user directions and I had to look up a wiring diagram. OK, it's simple and the deck light toggles between white light and red light as one turns on/off the light. I have questions about stressing the attachment wings to fit my smaller mast. I assume careful use of a heat gun may allow form-fitting. That said, the appearance and perceived quality are excellent--much better than the light I am replacing. I'd like to submit another review after I have installed and used the light during sailing conditions. I have high hopes based on what I am seeing so far. Also, kudos to the rep that answers the phone. He saved me money by recommending I modify my order, then quickly answered my question about the white/red light toggle feature. So far, it's all positive.

Great productt

Posted by Robert Beers on 22nd Jun 2021

I was searching for an LED Combo Steaming / Deck light and this fit the bill for a very reasonable price. Quality product and much less expensive than the other lights I looked at.

Easy to install nice amd bright

Posted by ed rivera on 10th Aug 2017

Great product, the Led lights is what I was looking for to reduce the loads and drain in the battery. It was easy to install and connect.

Superb product.

Posted by Don Strong on 27th May 2017

This combination deck and steaming light is a very fine product at a budget price. It is bright. Two toggles on the boat connect to the red and white wires. I paired the two grounds from boat, and connected the pair to the black of the Marinebeam .

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Economy series 25 - led stern navigation light.

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Economy series 25 - port & starboard led navigation lights.

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NauticEd Sailing Blog

Mast head light confusion

Here is a question from a Student who posted it on Disqus. I felt it was important enough to post out here for public. Displaying correct lights on boats is important.

Could you please provide more of an explanation for the following: Although ‘steaming light’ is used extensively, this does not have a definition within the IRPCS [International Regulations for Prevention of Collisions at Sea], the correct definition being a masthead light.

If the tri-colour light can replace the stern and red/green pulpit light on a sailboat how can it be unacceptable to use the tri-colour light with mast head light? If you are under power you of course need your steaming light/ mast head light illuminated. So if you don’t have pulpit or stern lights aboard as you are using a tri colour light how can you do this?

Agreed – lights can be confusing at the onset. In this particular topic, sailors tend to get confused because they think  a mast is only on a sailboat. But, a mast head light is also used (and defined for use) on power boats. Take a look at this image shown in the rules. It shows a power driven vessel longer than 50 meters using two mast head lights.

A large Power vessel displaying two mast head lights.

A large Power vessel displaying two mast head lights.

Here is the definition of a mast head light in the rules:

(a) “Masthead light” means a white light placed over the fore and aft centerline of the vessel showing an unbroken light over an arc of the horizon of 225 degrees and so fixed as to show the light from right ahead to 22.5 degrees abaft the beam on either side of the vessel.

Note also that is does not say the light must be at the top of the mast.

For sailboats, a tricolored light is a light described by rule 25(b) in USCG Nav Rules. It is at or near the top of the mast and is for sailing vessels less than 20 meters in length. It is an optional alternative to having the lights down on the hull or pulpits. It faces a white light to the aft 135 degrees plus red from directly forward around to port 112.5 degrees and a green light directly forward and around to starboard 112.5 degrees. This makes up 360 degrees and meets the requirement for a sailboat sailing. When the sailboat turns on it’s engines it must also in addition to the white, red and green above, display a white light 225 degrees facing forward. You can name this light what ever you like but it must exist. These white “mast head” lights are also defined by the distance they must be seen by – it does not mean they have to be at the top of the mast. On power vessels they are typically at the top of the mast because that is what the mast is for.

Here is a sailing vessel under sail only with a tricolored light

Tri-colored lights on a sailboat

Tri-colored lights on a sailboat

On a sailboat less than 50 meters in length, a mast head light (white under power light) can be just “up the mast” anywhere. It’s not part of the tri color. It is white and faces forward 225 degrees and is to be used when the sailboat is under power. You also might be confusing the term mast head light with the two all around red and green lights at the top of the mast. These are not mast head lights. They can be used in addition to the hull or pulpit mounted red green and white. The rules prevent a top of the mast tricolored light AND the two all around red and green at the top of the mast. This would create confusion and may be your source of confusion. i.e it is unacceptable to use the tricolored and two all around red and green lights. Again the mast head is white 225 deg forward facing to be used under power only.

Here is a vessel with the two all around red and green lights.

The Vessel sailing "on starboard" is utilizing the optional two all around red and green lights.

The Vessel sailing “on starboard” is utilizing the optional two all around red and green lights.

Here are the rules as stated: Rule 25 – Sailing Vessels Underway and Vessels Under Oars

(a) A sailing vessel underway shall exhibit:

(i) sidelights; (ii) a stern light

(b) In a sailing vessel of less than 20 meters in length, the lights prescribed in Rule 25(a) may be combined in one lantern carried at or near the top of the mast where it can best be seen.  [note this is the tricolored light]

(c) A sailing vessel underway may, in addition to the lights prescribed in Rule 25(a), exhibit at or near the top of the mast, where they can best be seen, two all-round lights in a vertical line, the upper being red and the lower green, but these lights shall not be exhibited in conjunction with the combined lantern permitted by Rule 25(b).

I hope that helps.

I highly recommend that you complete our Navigation Rules Course . It is free for everyone.

International Rules for Prevention of Collision at Sea FREE Course

International Rules for Prevention of Collision at Sea FREE Sailing Course

We also have a Paper Book that you should order and keep on your boat for reference.

The book is a stand alone excellent explanation of the Rules of the Nautical road and is a good and quick easy read. It has additional really cool features. Through out the book you will see QR Codes. When you scan any QR code with your mobile device, the book element comes alive and shows you animations and videos.

To get a QR Reader – 

For Android

Order the International Rules of Prevention of Collision at Sea Book from Amazon.

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Boat navigation lights – anchor, steaming, side, stern lights.

Collision requirements (colregs) require you have certain lights on during low visibility times like at night or in a fog. The running lights change based on if you are under power as well. Under sail, a boat is allowed to conserve energy by running a minimal set of lighting. The lights involved are the anchor, steaming, side, and stern. Masthead light is an ambiguous term I will avoid.

Anchor The anchor light lies at the top of the mast or tallest structure. The light radiates all around, 360 degrees. For a boat at anchor, the light is white. For a sailboat under sail, the light is tri-color. Under either scenario, the anchor light is the only light. Under power, a white all around anchor light combines with side lights for navigation.

Steaming The steaming light is halfway up the mast or tallest structure. She radiates white light forward 225 degrees. She does not radiate any colors. Use the steaming light solely under power combined with colored side lights and a stern white 135 degree light.

Side Side lights are a pair on each side towards the bow. Port is red, starboard green. Red means stop for a viewing vessel and yield to the red lighted vessel. You have the right of way aboard the red sighted boat. Green means the opposite. The viewing vessel has right of way, and the showing boat must yield. Under power, use the side lights with either a all-around anchor white light or the combination 225 degree steaming/135 degree stern whites.

Stern The stern light is at deck level towards the boat’s transom. She is a white, 135 degree light. Under power, use her in combination with side lights and the steaming forward, 225 degree, white light. As a final twist under sail, a stern light combines with two anchor lights (one green, one red). The red light must be higher on the mast than the green light.

Conclusion Navigation lights include the anchor, steaming, side, and stern lights. Depending on whether you are under power or sail or anchored, a boat shows different combinations of these lights. Generally, in each situation you need lights showing for all 360 degrees which penetrate 2 miles away. And when navigating, red means stop. Yield to a vessel showing red. No matter what be careful. Be a defensive sailor making sure you avoid peril.

Boat US provides the great animations below.

  • Under Power

One Reply to “Boat Navigation Lights – Anchor, Steaming, Side, Stern Lights”

Aye it’s Fox Axel the pirate. I ave a lession for all ye two bit slim witted dogs. Me sailed Sea Belle silently along in starry darkness. Me wast in the Bermuda Triangle. In me good eye I saw a red light in the distance. Avast, a star. Neh, the redness grew brighter and moved along the horizon. Me thought now she must be a UFO! Me lurched down from the poop deck below for me pirate spyglass.

When I came up the red light was close to starboard. Me heard a wild wench, swab voices. Begad! We pirates never bother with navigation lights. I could not swerve or tack. The swabs stuck me athwart ship gashing a hole in Sea Belle. Me sunk down to the briny deep. Know what navigation lights are so ye can plunder fools. And put lights on when ye are not plundering.

Arghh, after me sunk into the briny deep. The swarthy swabs fished me out. When dey got me on deck, they released somehow that me was a pirate although I hid me hook under me cloak. I cursed dem for running into me, the bilge rats and would have made dem walk a plank iffen dey had one on hand. Whilst in shock at seeing me in me full pirate regalia, I managed to grab the wee lad and ransom him for some grub and grog. Then, I started to charm them with me pirate talk and wild seafaring ways, and dey all agreed to join me on the high seas. Iffen anybody else dats wishes to join me fleet who gots some pirate in im, find me on Monkey Isle.

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Practical Sailor Tracks Down the Best LED Tri-color Light

Testers take a look at six bulbs and lanterns from the marine led navigation light market..

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When it comes to navigation lights aboard sailboats, brighter is definitely better. And our latest tests of LED nav lights proved that more light can be made with less energy. In fact, we found that replacing a conventional incandescent bulb with a light-emitting diode (LED) of similar luminosity can result in up to a 90-percent savings in energy consumed over a given period of time.

Practical Sailor’ s previous evaluations of navigation lights (September 2005 and Jan. 15, 2002) were tests of tri-color

Practical Sailor Tracks Down the Best LED Tri-color Light

Photos by Ralph Naranjo

masthead lights, sidelights, sternlights, and all-around white lights.

For this review, we narrowed the test field and focused solely on LED tri-color navigation lights (sidelights and a stern light combined in a single fixture) because of the under-sail connotation. They are most often used when the engine is off and the alternator(s) is providing no energy boost to the battery bank. This is when miserly current consumption is most appreciated.

LED lights come in all sizes and shapes, and it has been their monumental improvement in efficiency that has made the technology so appealing to energy-constrained sailors.

In the past, the most popular means of meeting the U.S. Coast Guard’s navigation light requirements for boats under 65 feet (see “Nav Light Requirements,” below) was to use an Aqua Signal Series 40 tri-color lamp housing with its long-filament incandescent bulb. Its 25-watt energy appetite not only puts a significant load on the house battery bank, but it requires a heavier-gauge wire be run up the spar in order to avoid an energy-robbing voltage drop. Swapping out the incandescent bulb for an LED drops power consumption significantly and yields just as bright of a light. During a 10-hour night sail, this results in reducing current consumption from about 20 amp-hours down to a scan’t 2 amp-hours. This savings adds up, and the extra cost of the LED bulb or light will pay for itself in longevity and energy savings.

LED Evolution

Since the late 1960s, LEDs have followed a trend that amounts to almost a doubling of light output every 36 months. (If Wall Street had done the same, a $100 investment made in 1969 would today be worth over $500,000.)

Skipping all the esoteric physics and getting down to basics leaves us with one important concept to grasp: By passing a current through certain semiconductors (materials with only a few electron holes), the electron flow instigates photon release—or more simply put, light energy is emitted. Modern LEDs comprise an anode (+) and cathode (-) that meet in a tiny cup-like reflector that contains an “n” and a “p” layer of semiconductor material.

In order to achieve white or colored light, phosphor coatings are used. Another significant breakthrough was the prism-like lens and epoxy-sealed cavity that bundles up many of these semiconductors. The resulting “bulb” reflects and refracts the light energy produced, delivering a color-controlled beam. The plasma-like brilliance of a single-source light creates lens and reflector challenges that each light manufacturer has to deal

Lopolight 200-005

with. Some makers shape a single beam with lens elements while others use an array of multiple smaller LEDs.

What We Tested

Each of the six LED tri-color masthead lights we tested for this report took a different approach to implementing the LED technology. The test field included three LED lanterns and three LED bulbs.

From Orca Green Marine (OGM), maker of the top choice among tri-colors in the 2005 Practical Sailor test, we reviewed the latest USCG 2-nautical-mile approved tri-color. The other tested lanterns were self-contained tri-color/anchor light combos from Signal Mate and Lopolight.

Among the bulbs we tested was the Lunasea, a sealed, waterproof LED lamp comprising four green, six red, and six white LEDs. From the LED Shop in Queensland, Australia, we tested the Bay15D white LED bulb with 15 diodes. The supplier recommends its use as a low-consumption (2 watts vs. 25 watts) replacement bulb for the Aqua Signal 40 incandescent. The second sealed bulb we tested was from Dr. LED, and it is third-party certified to U.S. Coast Guard standards.

LED LANTERNS

Boat owners who don’t already have a masthead tri-color light, or who plan to replace an old one—hardware and all—would do well to consider an LED lantern.

Orca Green Marine

OGM Inc.’s USCG-approved (third-party tested) tri-color/anchor light (LXTA-12v) squeezes an amazing amount of light from a minimal amount of current (0.3 amps @ 12 volts-DC).

The well-sealed, nicely machined housing and large lenses keep the LEDs in direct line of sight, regardless of heel or the viewer’s proximity. Hard, anodized endcaps and Lexan outer lens elements form a tough, water-tight seal. Its internal

OGM LXTA-12v

electronic components are potted in a dielectric sealant, and the lantern comes with a well-sealed pigtail connector.

The manufacturer claims a 50,000-hour full brightness LED life and offers a two-year warranty on the $340 lantern.

Testers’ main concern that arose during testing was that the OGM lantern produced the most RFI of all the gear we tested. Moving the handheld VHF radio to within 14 inches of the light obliterated radio reception.

Bottom line: The OGM lantern is the least expensive in its category, and it proved to be a well-made light. However, its RFI test results held it back.

This expensive, well-designed, and carefully manufactured LED tri-color/anchor light offers a multiple diode approach to illuminating each sector of coverage. The lamp’s geometry focuses individual LEDs in narrower beams and uses 36 to cover each colored zone and 44 in the white zone. In addition to adding redundancy with circuitry that allows individual diodes to fail without taking out the entire cluster, the design eliminated the hotspot inherent in tri-color lights that use single-point light sources for each sector.

This light offers a green that’s really green (see “Shades of Green,” page 14), a dead-ahead aspect with minimal overlap, and a crisp transition to the red zone. The Lopolight also sports a rugged, well-sealed housing that’s fully submersible.

Its current consumption is a tiny bit more than the most energy efficient in this group, but the value of having the light continue to work even if one or more diodes give up the ghost is a big plus.

At $689, the Lopolight was the most expensive product of all those we tested, but it also had the least RFI. It comes with a five-year warranty.

Bottom line: If quality construction and superior performance are your priorities—and cost isn’t a concern—the Lopolight will fit the bill. It gets the nod as Practical Sailor’s Best Choice.

Signal Mate

Signal Mate products are designed and manufactured by Maryland-based Kimberlite Assemblers Inc. The company sent us a pre-production version of its 2-nautical-mile tri-color lantern for testing.

The searing bright lantern scored high marks for energy efficiency. Its 0.3 amp draw at 12 volts DC compared to some of the more expensive lanterns.

The Signal Mate incorporates a finned alloy base that functions

Aqua Signal Series 40

as a heat sink and houses the driver and diodes within a polycarbonate cylindrical tube. Its endcaps and electronics are sealed and bedded in Dow Tough Gel.

Its cylindrical shape makes it well suited for masthead mounting. The light output did not appear hampered at all by the unit’s comparably small lenses, even at varying angles of heel.

The design, with a single light source per sector, created a white hotspot, but from 50 to 100 yards away, it was undetectable. Hotspots, a bright white spot that occurs when a single-point white light source illuminates a colored faceted lens, are common to this design.

Just before going to press with this review, Signal Mate sent us its new production version of this lamp. Like the pre-production unit, the LED circuitry is enclosed in a polycarbonate cylinder, but it now incorporates O-ring seals and 3M 5200 adhesive to better cope with thermal expansion and contraction. Heat dissipation and RFI suppression have been improved, and the overall fit and finish have been raised a notch. The light is certified to USCG and American Boat and Yacht Council (ABYC)-16 standards.

Bottom line: The $359 Signal Mate tri-color is a cost-effective option with a good five-year warranty, and the new version boasts some necessary improvements.

The new breed of LED bulbs can add efficiency to those old Aqua Signal, Hella, and Perko incandescent nav lights that have been serving boats for decades. These plug-and-play conversions from incandescent to much more efficient LED technology are capturing market share, and the degree of this success has inspired Aqua Signal to come out with its own single-diode LED light and a new line of LED products. For those with older lamps such as the venerable Aqua Signal 40 tri-color, the following three bulb options represent good examples of what’s available in the realm of LED conversions.

The Dr. LED Polar Star 40 replacement bulb for the Aqua Signal 40 lantern comes with an interesting note. According to the Seattle firm, “a white LED should not be used behind colored lenses.” And to that end, its LED replacement bulb has three distinct color-enhanced sectors indigenous to the bulb itself. These are not stand-alone red, green, and white sectors, but instead are color-enhancing segments that ensure that red is red and green is a bright and deep shade of green. This reduced the bulb’s hotspot.

The bulb is designed in the U.S., made in China, and meets the 2-nautical-mile visibility, chromaticity, and other demands of the ABYC/USCG standards. It was the lowest current-consuming light in our test (0.1 amps), and though not the

Lunasea

brightest, it was visible and color recognizable at the 2-mile range.

Bottom line: Middle of the pack price-wise, this $50 current miser gets a Practical Sailor Budget Buy among LED bulbs for conversions.

Lunasea Lights

This well-sealed, wedge shaped, waterproof bulb uses separate LEDs for each color zone. The red sector held six LEDs, and the green four. Light-meter readings indicated that the red sector was a bit brighter than the green sector during tests. At distances beyond 100 yards, the discrepancy was not noticeable visually. Both segments could be seen at the 2-nautical-mile range.

This bulb seemed to only need a clear housing because of the excellent chromaticity match, but without being placed in a tri-lens housing, it had a rather large overlap of red and green. We noted that the red and green (bow-on aspect) covered an arc of more than 20 degrees. But by placing the tri-color lens over the bulb, the overlap was brought into an acceptable 10-degree range, creating a bright, very distinguishable tri-color light.

The Lunasea bulb was the only one in its group with the ability to keep shining even if one of the multiple diodes failed.

Bottom line: One of the brightest LEDs tested, the Lunasea light gets the Practical Sailor Recommended pick among bulbs for its top performance and lifetime warranty, the only test product to offer one.

Distributed by the Australia-based LED Shop, the white BAY-15D bulb we tested was a cluster of 15 diodes in pentagonal array of three vertical diodes per segment. This bright-white light makes a superb anchor light, and the LED Shop also recommends it as a replacement bulb for the Aqua Signal Series 40 tri-color light.

In our testing, it provided a bright red and green sector, but its colors were not as saturated as the color-specific bulbs by Dr. LED and Lunasea.

Testers’ biggest concern was the fact the bulb isn’t properly sealed. This does afford better heat dissipation, a key factor in LED longevity, but we prefer sealed bulbs.

However, the BAY-15D’s $27 price tag, its brightness and

LED Shop

minimal RFI make it a bargain as an anchor light bulb.

Bottom line: Although inexpensive and a good performer, the BAY-15D was held back by its lack of a good seal.

  • Nav Light Requirements
  • How We Tested
  • Practical Sailor Value Guide: Led Tri-Color Masthead Lights
  • Shades of Green
  • View PDF Format

RELATED ARTICLES MORE FROM AUTHOR

Which version of the OGM was tested for this review?

It would be helpful if you added the part numbers of the specific product that you’re testing. For example, when I went to the Lopolight website, I couldn’t find the product you tested. I’m a little disappointed that you didn’t test any trilights with the strobe or flash function. Perhaps I’ll keep my 20-year old Hella.

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Lights: Sailboats

A vessel under sail must display red and green sidelights, along with a sternlight (Fig. A) .

Sail-driven vessels under 20 m in length have the option of displaying :

  • Two all-round lights near the top of the mast (an all round red light over and all round green light). In addition to the green and red sidelights and stern light (Fig. B) ; or
  • A tri-light at the top of the mast (in lieu of sidelights and a stern light) while underway between sunset and sunrise. A tri-light is divided into three sectors: a red light showing through a horizontal arc of 112.5degrees, a green light displayed through an arc of 112.5degrees, and a white light (to show across the stern) displayed through an arc of 135 degrees (Fig. C).

For non-powered vessels and/or sailing vessels that are under 7m in length the operator must have readily at hand a waterproof flashlight or lantern showing a white light so that an approaching boat can be signaled in time to avoid a collision. It is sometimes effective to use the light to illuminate the sail (Fig. D) .

Navigation light options for sail boats are as follows:

Sailboats with the different types of navigation lights.

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does h260 have steam light?

  • Thread starter Davenport
  • Start date Nov 5, 2023
  • Hunter Owner Forums
  • Ask A Hunter Owner

Now am trying to get anchor light and front running lights to work. They're not working.. The electrical panel has on 1 switch the option to flip one way for anchor light and other way for steam light. But does h260 have steam light like maybe at top of mast separate from anchor light? Or does setting to steam just turn off the anchor light since when moving/steaming the anchor light should be off? Sigh. Power ain't getting to anchor light and front nav lights. I sorta think the wires in switch panel are bad. I will rig up the anchor and nav on panel on diff switches as first try at fix. Man the wiring is confusing back there. What does ACC on switches mean?  

Attachments

IMG_20231030_121722.jpg

Davidasailor26

I don’t know about the steaming light, but the ACC switches are probably “Accessory” - switches for various items like instruments that weren’t installed at the factory but may have been added over time (or may still be unused).  

Rick Webb

Quick answer is yes. The light on the top of the mast has two bulbs. With the switch in the "Mast Light " position both are on to give you a 360 degree white light. With the switch in the "Steam Light" position just one is luminated showing a 225 degree light. First place to check to see what is wrong if they do not work is the three pin deck connector. It is notorious for getting corroded and keeping the light from working. Lots of stuff in the archives on addressing this issue which is common to the 23.5, 26, 240 and 260.  

Crazy Dave Condon

Both @Davidasailor26 and @Rick Webb are correct. First, use a tester too to see if you are getting power to the lights. If so, look at the light bulbs to replace. Your switch for the combo steaming and anchor light is a on-off-on three way position switch. The deck plug is either a three or four prong fitting. The big pin is generally your Dcc ground. Did you ever read on line the manual for the 260?  

Thanks. Sorry if seem amateur. The bulb top of mast lights up if at base of mast give power, that's good. Not all of us are good at wiring diagrams. And by definition if switch does nothing then something has broke or loosened, so gotta track down broken bit not just understand. An anchor light is really my main goal, I've given up risky night boating so who needs running lightsg. In reality if can't fix I can hang light somewhere medium high, the regs are from 70s and days when some literally hung a lantern halfway up foresail. In small bay top of mast is hard to crane neck up to see, and not think light is a star so medium height better, people boating look near water not up where planes are haha. UPDATE: Pried front bow light off, broken wire. SO THATS FIXABLE. Tested mast lights using a lil 12v fan to show power, and power is coming from inside to top, wow good, but the 3 pin wasn't working to send power onwards till brushed and really screwed it's connection tight now get power. Yeah!!! Thank God it's simple I admit I'm dumb and bozo. .... If curious when switch set one way seems 2 wires send power up the mast to power both lights up there, I guess this is "anchor" mode, 1 powered line is "steam" mode to power I guess a 270 degree light up there. Sigh. Any light up there is good nuff for anchoring, I have solar white lights around deck to see where I step that really is main way people spot boat at night. Thanks.  

The light bulb three pin plug, check the inside of the plug for corrosion and clean it depending on what you see. If not, then You will have to drop the mast to remove the light bulb. There is write up how to lower and raise the mast of the 260 you will find in the downloads under boat information for the hunter 260. As for the switch you will need a Phillips screwdriver to remove the four corner screws and see how many wire are attached and the color of those wires Finally you’re not dumb but lack the knowledge of the boat. If truth be known, I beat you to the punch asking dumb questions which is one reason I am called Crazy Dave. We want to help you Ever thought of hanging a white 360 degree solar powered lantern from the boom at night? Power boaters look straight, not up.  

Davenport said: If curious when switch set one way seems 2 wires send power up the mast to power both lights up there, I guess this is "anchor" mode, 1 powered line is "steam" mode to power Click to expand

My motto is try to fix and no research and hope, I choose dumbness!!. W internet now I also ask questions lazily. Ha. Got mast light sorta working. But it throws light mostly backward, maybe the 270 degree arc of light is facing back and the 90 degree bulb is burnt out. ?????? Did Hunter put the 270 bulb aftward. When under way steaming this way doesn't throw white light forward to compete with the red green lights.... What kind of bulbs are up there???? Boy the 3 prong connector is finicky. I don't trust it. I plan on hanging solar lantern halfway up jib. I also don't like draining 12 volt battery so lots of mastlight use when at anchor seems bad. The mast/steam light has a resister at the panel which I ll not even try to grasp. Ain't it nice 12v ain't enough to zap, makes tinkering low stress. I guess 24v will zap ya. Thanks.  

rgranger

Anchor lights also drain your house battery... hanging a lantern is really your better option for the reasons you already stated. The streaming light is a legal requirement. You are supposed to have it on anytime you are using your auxillary (outboard)... this is especially true if you are also flying your sails with the motor on. It lets other boaters know that you no longer have stand-on ("right of way") privalages and are now considered a power boater. I doubt most power boaters know that detail of the marine legal landscape.  

Helpful

@Davenport There comes a point you have to help yourself because we cannot do it all for you based on what you said in the first paragraph in your last response  

If not boating after dusk a person doesn't need navigation lights, and 99% of people don't. Here we have crab pots floating so we really try not to. . . Anchoring one needs a white light up medium high, and sometimes I just put $1 solar light taped to a deck post. . . Luckily most people boat where there is background light from city lights. . I still don't get why the mast light mostly throws light backward. Thanks  

Davenport said: My motto is try to fix and no research and hope, I choose dumbness!!. W internet now I also ask questions lazily. Ha. Got mast light sorta working. But it throws light mostly backward, maybe the 270 degree arc of light is facing back and the 90 degree bulb is burnt out. ?????? Did Hunter put the 270 bulb aftward. When under way steaming this way doesn't throw white light forward to compete with the red green lights.... What kind of bulbs are up there???? Boy the 3 prong connector is finicky. I don't trust it. I plan on hanging solar lantern halfway up jib. I also don't like draining 12 volt battery so lots of mastlight use when at anchor seems bad. The mast/steam light has a resister at the panel which I ll not even try to grasp. Ain't it nice 12v ain't enough to zap, makes tinkering low stress. I guess 24v will zap ya. Thanks. Click to expand

jssailem

The "resistor" on the back of the switch I believe is a diode so that you can control both bulbs with one switch. To one side is just the forward "steaming light" the opposite direction is the "anchor light" with both bulbs illuminated for 360 degree visibility.  

Nav lights are bit fixed now, but I don't boat at night so no need to totally get with all the lighting rules. Boating at night seems almost reckless, w junk in water and x10 difficulty navigating. But might as well get all the lights fixed a bit and running as good as possible. Night boating seems unwise. If a night boater hits a anchored boat with white light boy will the night boater be at fault, and by definition the only one risking their lives. Nav lights are like wearing a helmet leaping across between roofs, even if done well it's unwise. Boating is already pretty risky in daytime, but yeah despite risk it's dirt cheap relaxation for us fatalists who can sleep anchored in windstorm as anchor barely holds. So guys boat due to their fatalism and skipping the odds. In China few spend much time swimming, like once a decade and usually with a floatie, they look at letting kids and family swim as reckless, so maybe night boating is similar and we just forget how unwise it is. I'm not judging but wonder if we have blindspots to some dangers. Night bicycling also has led to few crashes, potholes, so I'm trying to give that up. Night is risky. Is night driving risky, like x10 per mile? Hmm. Peace!!  

The lights are not just a nighttime requirement. Per the USCG Navigation Rules - “The lights prescribed by these Rules shall, if carried, also be exhibited from sunrise to sunset in restricted visibility and may be exhibited in all other circumstances when it is deemed necessary.” I just used mine last week in fog, and I’ve used them often in passing rainstorms. Probably not conditions you’d look to go out in, but certainly ones you could find yourself in. As for the dangers of night sailing - I think you overestimate them a bit, at least in general. If you’re not comfortable with it that’s totally understandable, but I think there are times and places where it can be done relatively safely. You won’t find me sailing home in the dark in a busy harbor after July 4th fireworks, but in more remote places with the right skills it’s commonly done and I think acceptably safe.  

  • That power boater speeding towards you is paying attentions (is sober)?
  • The jet ski punk hopping wake skimming close to your transom is in control of their PWC and won't crash into you?
  • A late afternoon pop-up THUNDER storm does not come out of the blue and blow you on your side and ....
  • Heat stroke/Sun Burn...

Tally Ho

I sail at night sometimes, usually because I got back too late and the sun went down. But occasionally head out for a midnight sail. Almost magical to be out on the water in the dark… - Very few boats out - Senses, especially hearing, seems ultra sensitive - lots of shore lights to provide nav aids - if the moon is up (and full) it is a really beautiful sight. Greg  

kappykaplan

kappykaplan

Tally Ho said: if the moon is up (and full) it is a really beautiful sight. Click to expand
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IMAGES

  1. How to light a sailboat at night ~ How to build a sailboat kit

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  2. Steaming Light

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  3. Michael Porter, Marine Design

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  4. 17 Sailboat Types Explained: How To Recognize Them

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  5. ⚓️⚓️⚓️ Marvelous photo of a 19th century cutter-yacht. The sheer alone

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  6. Building the "PocketShip" Pocket Cruiser Chesapeake Light Craft, Steam

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COMMENTS

  1. Steaming Light on Sailboat: A Guide to Proper Usage

    A steaming light is a white navigation light fitted on the mast of a sailboat to provide visibility during low-visibility conditions. It is typically placed near the front side of the mast and angled downwards to indicate that the vessel is under power and moving forward. This light helps other boats identify and avoid collisions, ensuring safe ...

  2. Navigation Lights for Sailboats (And How To Read Them)

    A "steaming" light is named thusly, going back to the days of steam powered sailboats where when they fired up their boilers and doused the sails, they became a power boat once again. There aren't too many steam powered boats, let alone steam powered sailboats, but the name stuck and it is a vestige of a bygone era.

  3. Correct location for steamimg light/mast light

    According to the navigation rules the steaming light/mast light should be 1 meter above sidelights. In reality, I have seen mast lights a few feet above the spreaders and a few feet below the spreaders. My mast is 28 ft long . I have already installed the anchor light on top of the mast. Now, I only have to install the steaming light/mast light ...

  4. IP67 USCG Certified 3NM LED Masthead Steaming Light

    Marinebeam's NavLight™ Series 1 3NM USCG-Certified 225° Masthead (Steaming) Light. These attractive and economical 225° white LED lights face forward on the boat's centerline, and are used to indicate that a vessel (up to 50 Meters in length) is underway and is power-driven. Used on motor-craft and sailboats under power.

  5. Hands-On Sailor: Running Lights

    Running Lights. When under power: You must use your navigation and steaming lights (at left). When under sail: Use either your masthead tricolor (second to left) or deck-level navigation lights (second to right), but not both. At anchor: You must display a white light that's visible through 360 degrees (at right).

  6. Steaming light

    Steaming light. The white, forward-showing light carried by a powered vessel by night or in bad visibility. In the Collision Regulations this is called a 'Masthead Light' (though not required to be carried at the masthead) and it must show from dead ahead to 22.5 degrees abaft the beam on each side. A vessel of less than fifty metres length ...

  7. Masthead light

    Masthead light. The masthead light is a white, forward-facing light that must be displayed by boats at night when operating under motor power. This light is often referred to as the " steaming light " (despite the fact that very few boats actually use steam power). The light must shine forward over an arc of 225 degrees.

  8. Navigation Lights on Sailing Yachts and Motor Boats

    Stern light. A white light mounted as close to the stern as possible and shines dead ahead in an arc of 135° (67.5° to each side). The mounting height should be aligned to the height of the side lights and should never be higher. 3. Three-colour light for sailing vessels (sailing lights) On sail boats up to a length of 20 m, the side light ...

  9. Foredeck / Steaming Combination Navigation Light

    Combination LED Masthead Steaming Light and Foredeck Light for Sailboat Masts. Replaceable LEDs: 42mm Festoon (Steaming), MR16 (Foredeck) Input Voltage: 10 - 30VDC (Integrated Constant Current IC) Wattage: 1.2W Steaming / Variable Foredeck. Amperage: 0.1A at 12VDC / Variable Foredeck.

  10. Mast head light confusion

    For sailboats, a tricolored light is a light described by rule 25 (b) in USCG Nav Rules. It is at or near the top of the mast and is for sailing vessels less than 20 meters in length. It is an optional alternative to having the lights down on the hull or pulpits. It faces a white light to the aft 135 degrees plus red from directly forward ...

  11. Boat Navigation Lights

    Under power, use the side lights with either a all-around anchor white light or the combination 225 degree steaming/135 degree stern whites. Stern. The stern light is at deck level towards the boat's transom. She is a white, 135 degree light. Under power, use her in combination with side lights and the steaming forward, 225 degree, white light.

  12. Practical Sailor Tracks Down the Best LED Tri-color Light

    OGM Inc.'s USCG-approved (third-party tested) tri-color/anchor light (LXTA-12v) squeezes an amazing amount of light from a minimal amount of current (0.3 amps @ 12 volts-DC). The well-sealed, nicely machined housing and large lenses keep the LEDs in direct line of sight, regardless of heel or the viewer's proximity.

  13. 3 NM Steaming Masthead LED Light

    Description. LED Steaming / Masthead Light with USCG certified 3 Nautical Mile visibility for any sailboat or powerboat up to 65 feet. Rugged, waterproof aluminum casing keeps the White LED operational. 225 degree viewable LED range gives this steaming light a long distance of visibility up to 3 NM. Optional mast mounting bracket and navigation ...

  14. Navigation Light Rules

    Sailboats When Under Sail. The basic rule is that sidelights and a stern light are required. Permissible variations to this rule appear below. Sailboats less than 20m (65.7') can substitute a tricolor light for separate sidelights and stern light—or a bi-color light and a stern light may be substituted.

  15. Lights on Sailboats

    Sail-driven vessels under 20 m in length have the option of displaying : Two all-round lights near the top of the mast (an all round red light over and all round green light). In addition to the green and red sidelights and stern light (Fig. B); or. A tri-light at the top of the mast (in lieu of sidelights and a stern light) while underway ...

  16. Steam Community :: Guide :: Guide To Ship Navigation Lights

    Each light has a degree of visibility (as shown below) Side lights have a 112.5 Degree Arc Of Visibility. Mast head Lights, have a 225 Degree Arc, with it being the combined Arc of both port and starboard side lights. Sternlights have the remaining slice, with 135 Degrees. The towing light also has 135 degrees.

  17. Play Age of Water: The First Voyage

    Become a sea captain on a post-apocalyptic Earth completely covered in water and go on an adventure in a huge open world. Sail through storms, fight and trade, capture other people's boats or build your own, extract resources from the bottom of the ocean, reveal the secrets of the Age of Water world. Water post-apocalypse.

  18. Whats the Steam Light

    Jul 30, 2000. #6. Steaming Light is required by the COLREGS. The rules of the road (COLREGS) require a power boat to display a 225 degree white light at least 1 meter above the red & green running lights. When you are using your motor at night or in reduced visibility, you should turn the steaming and running lights on.

  19. Euro Truck Simulator 2

    We are excited to join Renault Trucks in making automotive history with the reveal of the groundbreaking paint job design on their fully electric marvel, the Renault Trucks E-Tech T! This unique paint job will come to life for the first time ever on a truck with LumiLor technology - a cutting-edge method that allows layers of colour on any surface to be illuminated by small electric impulses.

  20. Replacing steaming light and mast integrity

    It appears to be aluminum. I can imagine that it provided some reinforcement around the hole. Is it ok to put new small holes (labeled D in photo) in the side of the mast (1 each side, 2 total) for the new steaming/deck light combo. I'm actually more puzzled/concerned about #1. The small holes certainly don't strengthen the mast, but should be ...

  21. does h260 have steam light?

    Nov 5, 2023. #3. Quick answer is yes. The light on the top of the mast has two bulbs. With the switch in the "Mast Light " position both are on to give you a 360 degree white light. With the switch in the "Steam Light" position just one is luminated showing a 225 degree light.