Boat Navigation Lights Rules: Illustrated Beginners Guide

When navigating at night, the lights on other boats are your first clue about the moving dangers around you. And your navigation lights are your first line of safety in avoiding collisions in the dark, and they tell others vessels what you are and what you are doing. The rules sound complex, but with a little understanding you can get the basics for any situation.

So what are the basic navigation light rules? For most small vessels, motoring requires red and green (port and starboard) lights, and a white light visible in all directions around the boat. This is almost always a stern light and a masthead light on sailboats. Boats under sail require port and starboard lights, and a white stern light. Sailboats below sixty-five feet may show a tricolor light at the masthead instead of side and stern lights when sailing.

That's it, in a nutshell. There's a little more to it, as the rules change with different sizes and there are some specifics about angles of display for the colors. Identifying other ships at sea requires more study, but the basics are the same. And it's not much trouble to make sure you've always got the proper lights on your vessel.

Infographic for Marine Navigation Lights Rules based on sailboat size

On this page:

What are the official colregs rules for your sailboat, what about the uscg (united states coast guard) rules, lighting at anchor, identifying the boats around you.

The International Regulations for the Prevention of Collision at Sea , abbreviated "COLREGS" is very specific about the lights required, their shapes and sizes, and the distance they must be visible. For the smaller boat, the following definitions apply.

  • Masthead Light - a white light placed centerline on the boat showing an arc of 225 degrees with 112.5 degrees either side of the front of the vessel.
  • Sidelights - A red light on the port side and a green light on the starboard. They must show an arc of 112.5 degrees from centerline of the bow.
  • Stern light - A white light on the stern of the boat showing an unbroken arc of 135 degrees from centerline of the vessel.
  • All-round light - A light showing in an unbroken arc of 360 degrees.

The good news is you need not measure these angles. Any properly installed USCG or COLREGS approved light which will cover the correct arcs. If you have to replace the original light from your boat, make sure it's with an approved replacement.

Lights When Sailing

sailboat navigation lights

The specific rules for a sailboat under sail are in COLREGS Rule 25 and vary slightly with the size of the boat. A sailboat powering is considered a power boat and falls under in Rule 23.

  • Under 23 feet (7 meters) - side lights and a stern light, possible. If these lights can not be displayed a light must be kept at hand to help avoid a collision. This can be a bright flashlight.
  • Over 23 feet - Side lights visible to one nautical mile and stern light visible for two.
  • Vessels under 65 feet may combine both sidelights into a single lantern on the bow.
  • May show a tricolor light on the masthead instead of sidelights and a stern light. It's one or the other though, do not show these lights at the same time .
  • Masthead light must be visible for three nautical miles, all other lights must have a two nautical mile visibility.
  • Side lights must be separated.
  • May not show a masthead tricolor light.
  • Masthead light must have five nautical mile visibility, all other lights must be visible for two nautical miles.
  • Optional masthead lights - any vessel under sail may display a red light over a green light at the masthead with sidelights and stern light. The red over green may NOT be displayed with a masthead tricolor light. It's one set or the other.

Lights When Motoring

sailboat navigation lights

For all navigational purposes a sailboat under power is considered a power boat. This includes motor sailing - if the engine is on and providing propulsion you are on a power boat, even if the sails are up . This applies to navigation lighting, sound signals in fog and limited visibility, and rights of way.

Sailboats under 50 meters under power need to show:

  • A masthead light
  • Stern light

A power-driven vessel under 23 feet (7 meters) that does not exceed seven knots of speed may display an all around white light, though sidelights should be used if available.

sailboat navigation lights

The USCG has published its own "Rules of the Road" that are based on the COLREGS. In addition, it has rules for the "Inland Waterways" for rivers, inland lakes and the Great Lakes.

The good news is this has no impact on what you have to do with your own boat.

They mostly relate to lighting changes on towed vessels like barges and tugs. For example, a vessel towing or pushing another vessel in the ocean under COLREGS shows two masthead lights, sidelights and a stern light, whereas in Inland Waterways the towing or pushing vessel displays two yellow towing lights instead of a white stern light.

If you sail on lakes, rivers or the Great Lakes where towed commercial traffic is common you should learn the inland lights, but coastal or ocean sailors will never see these.

When you anchor outside a designated mooring field, you should display an all around white light at the masthead or as high in the boat as practical.

sailboat navigation lights

If your boat is large and has a very tall mast, you may wish to display another light closer to the waterline. Boats approaching in the dark may not see a light on a mast sixty or seventy feet in the air when they are close to your boat.

We use a simple garden path light on our stern when we anchor, left in a rod holder or flag socket. It comes on automatically at dusk and is a cheap and easy way to be more visible. There is no specific rule stating you can not display more lights than required, or the nature of any lights beyond the required all around light.

The COLREGS also specify that a round black "daymark" should be displayed in the rigging of any vessel at anchor. Very few small vessels observe this, however it is the correct display for a vessel in an anchorage.

If you tie to a mooring in a marked mooring area you are not required to display anchor lights, but there is no harm in doing so.

The other important reason to know your lights is to figure out what's going on around you at night. The water may be ablaze with white, red, green and other lights at night and they are your first key to avoiding collisions and problems.

All combinations of lights for fishing boats, commercial vessels, and so on are outside this post‘s scope. The odds are small you will encounter a submarine, seaplane or hovercraft at night, but there are regulations regarding specific lighting for each of those vessels!

There are a few fundamentals to help you figure out what that is you see on the horizon, which way it is going, and whether it is a danger to you.

Port Wine is Red

The fundamental rule is that red sidelights will ALWAYS be on the port side of a vessel, and green lights will always be on starboard. However, some vessels can use all around red and green lights for other purposes, though those will be higher than sidelights.

Diagram for identifying boats at night

The light‘s on a ship is not important, some large tankers and freighters will have their sidelights far aft and put them on the superstructure for better visibility. It is not safe to assume that sidelights you can see are on the bow of large vessels .

When you can see the color, you know which way the bow is pointing. If it's red, it's pointing more or less to the left and will travel in that direction. A green light shows it is heading more or less to your right.

If you can see the red and green lights at the same time, you are looking directly at the bow of the vessel. When you are far away, this isn‘t as alarming as if you are close crossing. Seeing red and green lights together on a vessel is something you never want to see for long.

Be aware of red and green lights used in combination with other red, green and white lights. These may not be running lights and could have other significance.

Tankers, Freighters and Large Ships

Tankers, freighters and large ships will have side lights, a stern light and a masthead light. In addition, on vessels over 50 meters there will be a second masthead light further aft and higher than the forward light. The masthead light positions are a better tipoff to the bow direction and how far from the bow the sidelights might be. Remember - on a large vessel the sidelights may not be at the bow or even close to it.

USCG Inland Rules allow for a second all-around white light on large vessels on the Great Lakes instead of a second masthead light.

Fishing Boats

Fishing boats engaged in fishing will have more complex light displays. When they aren't fishing, they will show lights like any power vessel, but Rule 26 spells out light combinations that vary by the fishing activity being done. In general:

  • Boats which are Trawling but not making headway will display a green all-around light over a white all-around light , and a masthead light aft of these lights. Boats making headway while trawling will show these lights, plus sidelights and a stern light.
  • A vessel fishing other than trawling will show a red all-around light over a white all-around light . When making way they will also show sidelights and a stern light.
  • If a vessel has gear more than 150 meters away from the boat, it will show a second all around light in the direction of the gear. The best rule is to give fishing boats as wide a berth as you can at night. They're easy to pick out if you check the top light configurations but their course may be difficult to predict.

Towing and Pushing

Towed vessels can be the most dangerous to cross, but they have the most lights to tell you what is happening. Refer to COLREGS or the USCG Rules of the Road Rule 24 for all combinations You can pick a tow/push vessel out with the following lights:

  • Two or three masthead lights in a vertical line. Three masthead lights shows a tow over 200 meters. Additional masthead lights may show for larger tow vessels.
  • A towing light (yellow light with the same characteristics as a stern light) directly above the stern light.
  • The will also have side lights and a stern light.
  • The towed vessel will show sidelights and a stern light. Lighting may vary under USCG inland rules, where towing lights may replace stern lights. Learn these differences if this is your regular cruising ground. If you think there is a tow ahead of you, always go well behind the aft most set of lights. Never go between a tow and avoid crossing ahead if possible as it may restrict their maneuverability.

Special Situations

There are several rare situations you may encounter. As a general rule, if there are a lot of lights and you don't understand them look for the sidelights on a moving vessel. If you can find them and figure out the direction it is moving, it makes the vessel easier to avoid. Stay well clear of lights you do not understand if you can avoid them without risk.

Most of these signals are used by larger, commercial vessels and you will not need them.

They use these light combinations with other light combinations. For example a towing vessel may also be restricted in maneuverability, and a vessel constrained by draft will show running lights if moving.

  • Not Under Command - two all around red lights in a single line
  • Restricted in Ability to Maneuver - red, white then red in a single line
  • Constrained by draft - three all around red lights

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Navigation Lights

  • You are required to display the appropriate lights at night or during times of reduced visibility.

Navigation lights are used to prevent collisions at night or in times of reduced visibility, and are an essential tool in keeping you and your vessel safe. Nav lights allow you to see other nearby vessels, and allow other vessels to see you.

Nav lights also provide information about the size, activity, and direction of travel. By understanding the characteristics of Nav lights, you can determine an appropriate course of action as you approach another vessel.

On any vessel, navigation lights have a specific color, (white, red, green, yellow, blue), arc of illumination, range of visibility, and location, as required by law and regulations. For the purposes of this course, we will concentrate on pleasure boats under 65 feet in length. Knowledge of navigation lights is important to a small-boat skipper for separate, but important, reasons.

  • You are legally responsible for displaying lights of the proper color, intensity, location and visibility on your boat.
  • Knowing the type and heading of another boat.

Legal Requirements

Vessels are required to show the proper navigation lights from sunset to sunrise in all weather conditions, good and bad. During these times, no other lights that could be mistaken for lights specified in the Rules of the Road can be displayed, nor any lights that impair the visibility or distinctive character of navigation lights, or interfere with the keeping of a proper lookout. The Rules also state that navigation lights must be shown in conditions of reduced visibility, and may be shown at other times considered necessary.

It's Your Responsibility

It is the responsibility of the owner/operator of a vessel that she show the proper navigation lights for her size and the waters in which she is operating. It is not the responsibility of the manufacturer, importer, or selling dealer. Many boats are delivered with lights that do not meet legal requirements with respect to technical characteristics or placement on the vessel. Remember also, that the angles of visibility must be met when the boat is underway-if your boat rides at a significant bow-up angle, take that into consideration when installing and/or checking your lights.

Navigation Lights for Powerboats

Power driven vessels underway shall exhibit a masthead light forward, sidelights and a stern light. Vessels less than 12 meters in length may exhibit an all around white light and side lights. Power driven boats on the Great Lakes may carry an all around white light in stead of a second masthead light and stern light combination.

a diagram of a boat with lights

Sidelights - Colored lights - red on port and green on starboard - showing an unbroken arc of the horizon of 112.5 degrees, from dead ahead to 22.5 degrees abaft the beam on each side.

Combination lights - Sidelights may be combined in a single fixture carried at the centerline of the vessel.

Stern light - A white light showing over an unbroken arc of the horizon of 135 degrees, centered on dead astern.

Navigation Lights for Sailing

a diagram of a sailboat with lights

A sailing vessel of less than 7 meters in length shall, if practicable, exhibit regular navigation lights, but if not practical, she shall have ready at hand an electric torch or lantern showing a white light which shall be exhibited in sufficient time to prevent collision.

Diving Lights

Another light display that you may see in resort areas, or waters that have wrecks or reefs, is the night diving configuration. This has three vertical masthead lights, that have a red-white-red sequence. You must maintain a good distance from these vessels, and you should also be aware that there may be divers near you.

Interpreting what you see

a diagram of a sailboat with lights

It's great that you're learning the basics of lights - what is required and when they're required. But, this in only the beginning. You must also learn how to interpret the navigation lights that you see when you are underway at night- and for your safety-learn it well.

For instance, if you see a vessel approaching that shows a light pattern such as the ones to the right, you immediately know that you are in a crossing situation, and that you must yield to the other vessel - that's why it is red.

a diagram of a sailboat with lights

Seeing a green light over a white light indicates a fishing vessel actively trawling. You not only need to avoid the vessel, but you also need to remember that it could potentially have a very large net deployed that you will also need to avoid.

And there are numerous other lights and combinations of lights that you must be able to instantly recognize - the lights for a sailboat that is privileged over a motorboat, the special lights of various fishing vessels, a dredge or a vessel not under command. Study the requirements for navigation from the viewpoint of a "looker" as well as a boat owner.

Quicknav

Boat Navigation Lights: Everything You NEED to Know (2024)

rob

In many cases, boating at night requires the use of boat navigation lights, but boaters often have many questions about them.

They often wonder when they’re needed, what the requirements are for various locations and vessels, and more.

We’re going to do a deep dive into navigation lights for boat to see what you need on your boat, and when you need to use them. 

Legal Requirements

Types of navigational lights, which navigation lights are required on my boat , operators responsibility  , navigation lights .

On any vessel operating on or in US waters, there is a need for the operator to display navigation lights under certain circumstances. Their purpose is to make vessels aware of each other at night or in times of generally reduced visibility. This is incredibly important during times when you may not be able to see the craft itself.

Other than visibility, marine nav lights also help boat operators determine the size, direction of travel, and even the potential activity of another boat on the water. When an operator understands the type of information each light tells them, they will be better able to determine appropriate courses of action for potential situations.

Boat running lights are divided by location and color, and each of them has specific requirements with how they must be displayed and perceived. You are the one legally responsible for displaying proper nav lights on the boat, for displaying them at the proper times, and for understanding how to read them.

The US Coast Guard ’s legal navigation light requirements include guidelines for every aspect of light usage.

Their materials start by first defining the standard daily period during which they must be used, then they detail how many of each type of light is needed as well as where they are located. Each light also has constraints regarding its visible distance and the arc over which it can be seen. 

In the US, the Coast Guard says that any powered vessel that is under 39.4ft., may operate with boat nav lights in as little as two positions, an all-round light at the stern, and a set of sidelights at the bow. 

Vessels that are under 164ft. must have lights displayed in four positions, a stern light, a masthead light, and boat sidelights on both the port and starboard, near the bow.

The ship navigation lights also have minimum visibility distances, depending on the size of the craft. The minimum visibility for nav lights, even for small crafts, is one mile, with requirements that other lights on larger vessels be visible for up to 3 nautical miles.

Also read: Boating Rules and Etiquette On the Water

Boat lights come in 4 types, sidelights, stern light, masthead light, and all-round light. Lights only come in white, red, and green, and all have very specific jobs.

WhiteOver fore and aft centerline of the boat2 miles5 miles225 degrees
RedOn the port side, 22.5 degrees abaft the beam1 mile2 miles112.5 degrees
GreenOn the starboard side, 22.5 degrees abaft the beam1 mile2 miles112.5 degrees
WhiteNear as possible to the stern2 miles2 miles135 degrees
White, Yellow, TricolorN/A2 miles2 miles360 degrees
Green, Red, WhiteOver fore and aft centerline of the boatN/AN/A360 degrees
Two White Vertical, Three White VerticalOver fore and aft centerline of the boat2 miles2 miles135 degrees
Flashing BlueAnywhere not interfering with other lights2 milesN/A180-225 degrees

Masthead Light

The masthead light is the white light located about ⅔ of the way up the mast, rather than at the top as you’d think. This boat bow light is required when using motor power at night. To be acceptable, the light must have an arc of 225° and needs to be seen from 2 miles away.

Large boats can have up to 3 mast lights. If your boat is shorter than 39 ft., all 2-3 white mast lights can be combined, utilizing one larger white light at the top of the mast.

Color : White ARC : 225 degrees Position : Front of boat

Port Sidelight

The boating lights located on the port side of the watercraft are red and mounted so that boats can see as they approach either head-on or from the left. This light helps tell if a boat is coming towards you or if it is pointing away. The phrase “red, right, returning” means that if you see a boat with their red navigation light on the right, they are facing your boat. The only time it is not needed is when your boat is anchored for the night .

Color : Red ARC : 122.5 degrees Position : Forward, left side

Starboard Sidelight

If you are to approach a boat from the front or right, you will see the green starboard sidelight. With an ARC of 122.5 degrees, approaching boats will be able to see yours easily.

This light helps tell you whether or not you have the right of way, which is important when it comes to keeping both you and your passengers safe. These are some of the front boat lights.

This light will often be combined with the port light, in small boat navigation lights. When out in the water, if you see the green light, that means it is safe for you to go, as you have the right of way.

Color : Green ARC : 122.5 degrees Position : Forward, right side.

The rear boat light is called the stern light. It is used to mark the rear of the boat. The operator can infer from only setting a boat stern light, that they are directly behind the vessel. 

The stern light is white and is visible for an arc of 112.5 degrees on both the port and starboard sides, making a full arc of 225. Being able to see the red starboard side light as well as the stern light, should indicate the other vessel is traveling to the right from the perspective of the observer. 

Color : White ARC : 225 degrees Position : Stern

All-Around Light

One of the boat night lights that is required when on your boat between sunset and sunrise is the all-around light. This light is intended to be seen from any point and helps to tell what direction a boat is moving. This light is also used when a boat is stopped or anchored.

This anchor light is required to have an ARC of 360 degrees and should be visible for two miles. The all-around light is white and it is located at the top of your boat’s mast for maximum visibility.

Color : White ARC : 360 degrees Position : Top of mast

Tricolor Light

A tricolor light is a sailboat mast light that has your three types of bow light in one convenient piece of equipment. They are for sailboats that are smaller than 65.6 feet long. The point of this sailboat light is to increase your nighttime visibility. They are mounted at the top of the mast, allowing larger boats to see yours better. They are not permitted to be used by any boats with a motor. The only type of boat that can utilize a tricolor light is a sailboat.

Color : White, red, green ARC : 360 degrees Position : Top of mast

Towing Light

These yellow lights are important, as they indicate to other watercraft that, not only is there another boat nearby but that they are also towing someone as well. The light must be positioned at the back of the boat, as close to the stern as possible. The goal is to avoid having anyone run into the boat that is being towed, as there may be no lights showing where that boat is located. The boat lighting requirements when towing state that both sidelights, a stern light, and masthead lights should also be displayed.

Color : Yellow ARC : 135 degrees Position : Over fore and aft centerline of the boat

Law Enforcement Light 

Lights used by law enforcement on the water are flashing blue lights that can flash 120 times per minute or more. They can be used nearly anywhere that is convenient for the operator, provided they do not interfere with the function of the other lights.

This light may be displayed by any type of local law enforcement that is engaged in the course of their duty. This can apply to local, state, or federal police, as well as officials from wildlife and conservation departments, the Coast Guard, and more.

Color : Flashing Blue ARC : 180-225 degrees Position : Anywhere not interfering with other lights

Find your boat type below for the lineup of nav lights that you will need to safely operate after sunset and in other times of limited visibility.

Be sure you know which lights you will need to have on while underway, as well as at anchor or while towing. If you’re sailing, don’t forget that you are considered power-driven when using your motor.

Powerboat under 23 feet (7m) 

Powerboats under 23 feet are required to have the following navigation lights displayed:

  • One white masthead light visible for 2 miles
  • One red & green sidelight visible for 1 mile
  • One stern light visible for 2 miles
  • One white, red, green, or yellow all-round light visible for 2 miles

Powerboat Under 39,4 feet (12m)  

Powerboats under 39,4 feet are required to follow these boat light rules:

  • One all-round light visible for 2 miles

Powerboat Over 39,4 feet (12m)  

Powerboats over 39,4 feet are required to have the following navigation lights displayed:

  • One white masthead light visible for 5 miles, unless less than 20 meters, then 3 miles
  • One red & green sidelight visible for 2 miles

Powerboat 39,4 feet (12m) to 164 feet (50m) 

Powerboats between 39,4 feet and 164 feet are required to have the following marine running lights displayed:

  • One white masthead light visible for 6 miles
  • One red & green sidelight visible for 3 miles
  • One stern light visible for 3 miles
  • One all-round light visible for 3 miles

Sailboat Under 23 feet (7m) 

Sailboats under 23 feet are required to have the following sailing navigation lights displayed:

  • One white stern light
  • One white mast lantern positioned at or near the top of the mast where it can be easily seen from a distance

Note: if it is not practicable for the vessel to display the prescribed lights, one all-round white light can be used or a hand torch, with enough time to prevent a collision.

Sailboat Under 65,6 feet (20m) 

Sailboats under 65,6 feet are required to have the following sailing lights displayed:

Tug Boat With Tow Length Under 656 feet (200m) 

Tug boats with tow lengths less than 656 feet are required to have the following navigation lights displayed:

  • Two masthead lights in a vertical line
  • Stern light
  • Towing light in a vertical line above the stern light

Tug Boat With Tow Length Over 656 feet (200m) 

Tug boats with tow lengths longer than 656 feet are required to have the following navigation lights displayed:

  • Three masthead lights in a vertical line
  • A towing light placed vertically above the stern light
  • A diamond shape visibly displayed

Anchored Vessel 

Vessels at anchor or aground are required to observe the following boat lighting rules:

  • One white all-round in the fore
  • One white all-round at a lower level than the fore, at the stern

If aground, the vessel should display two red all-round lights in a vertical line

Vessel Under Oars 

Vessels under oar power have similar requirements to follow as small sailboat lighting:

  • One stern light

Or, alternately, one white all-round light or hand torch to be used to manually signal to avoid collision

Vessel Engaged in Fishing 

Vessels actively engaged in fishing are required to have the following marine navigation lights displayed:

  • Two all-round lights oriented in a vertical line, red on top and white on the bottom
  • One all-round white light for gear more than 150 meters from the vessel
  • When making its way through the water, there shall also be sidelights and stern light

Vessel Engaged in Trawling 

Vessels engaged in trawling are required to fulfill the following boat light requirements:

  • Two all-round lights oriented in a vertical line, green on top and white on the bottom
  • One masthead light abaft and higher than the all-round green

Kayakers and Canoers 

Kayakers and canoers are required to have the following navigation lights displayed:

Alternatively, a hand torch or lantern which can be used to signal to avoid collisions

Personal Watercraft 

There are no established rules for navigation lights on personal watercraft, even though many of them are classified as a boat by coast guard standards. Personal watercraft are often not permitted to operate outside of the sunrise-to-sunset period, and so most manufacturers do not install or make possible the installation of navigation lights. 

Vessels Restricted in their Ability to Maneuver 

Vessels restricted in their ability to maneuver are required to have the following navigation lights displayed:

  • Three all-round lights displayed as high a possible in a vertical line, red at the top, and white in the middle
  • One masthead light

The USCG as well as state authorities hold the operator of the vessel responsible for the correct use and understanding of nav lights.

This means they also must make sure all of the lights used meet the requirements set forth by the authorities.

This also extends to ensuring that the lights are all installed for optimal visibility while underway, so if your cruiser rides high, make sure your lights are still visible.

What navigation lights do I need on my boat?

Boat light regulations state boats must have a pair of red and green sidelights, and an all-around white light that can be seen from 360°.

Why are navigation lights red and green?

Navigation lights for boats indicate to others which direction a boat is facing. The red indicates the left side of the boat, green is on the right.

What lights need to be on a boat at night?

Per the navigation lighting rules, it is crucial that you have your red and green navigation lights, as well as the white 360° light.

Which three colors are used for navigational lights?

The boat light colors are going to be green, red, and white. If you see a blue light, this generally indicates a government vessel.

Do I need navigational lights on my boat?

Yes, all boats are legally required to have the minimum red, green, and white boat safety lights

 when operating in the dark.

Why do boats have blue lights?

When you see a boat that has blue boat lights at night, that means that it is likely the coast guard or law enforcement.

Why is port red and starboard green?

The light on the starboard side of the boat is green because it is ‘safe’, as the steersman will be able to see other boats.

What does a single white light mean on a boat at night?

If you can only see a single white light on a boat at nighttime, you are likely seeing the stern light or the boat anchor light.

rob

Robert Owens is the Chief of Content of Quicknav. Robert has been boating for over ten years and loves to share his experience on the water. His first boat was a dirt-cheap moderately beat up 2003 Bayliner 175, where he learned a tremendous amount about trailering, launching, docking, operating, and maintaining. He currently owns a Cruiser Yacht and is eyeing a sailboat.

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COMMENTS

  1. Boat Navigation Lights Rules: Illustrated Beginners Guide

    So what are the basic navigation light rules? For most small vessels, motoring requires red and green (port and starboard) lights, and a white light visible in all directions around the boat. This is almost always a stern light and a masthead light on sailboats. Boats under sail require port and starboard lights, and a white stern light.

  2. Navigation Lights : BoatUS Foundation

    And there are numerous other lights and combinations of lights that you must be able to instantly recognize - the lights for a sailboat that is privileged over a motorboat, the special lights of various fishing vessels, a dredge or a vessel not under command.

  3. Boat Navigation Lights: Everything You NEED to Know (2024)

    Boat lights come in 4 types, sidelights, stern light, masthead light, and all-round light. Lights only come in white, red, and green, and all have very specific jobs.

  4. Know Which Navigation Lights are Required for Your Boat

    Rowed or paddled vessels may exhibit the lights for a sailboat. An acceptable substitute is to keep ready at hand an electric torch or lighted lantern (flashlight) that shows a white light that shall be exhibited in sufficient time to prevent collision.

  5. Boat Navigation Lights Guide: Understanding Illumination

    It doesn’t matter if you’re out on the water between the hours of sunset and sunrise or when it’s rainy or foggy, the right navigation lights can prevent accidents. Let’s take a look at what these lights provide, how to maintain them, how they can fail and what lights are right for your vessel.