What kind of navigation lights do I need for my Boat?
Navigation lights requirements vary depending on the length of the boat. Larger boats are required to use lights with a higher visibility range and cannot combine sidelights into a single bi-color light. The basic rule is that side lights, a masthead light and a stern light are required.
Where do I find the regulations for navigation lights?
The current navigation light requirements are found in the Navigation Rules, International-Inland, and in Parts 81, 84, and 89 of Title 33, Code of Federal Regulations. They’re easy to find, but many sailors and boat manufacturers do not have a good understanding of the rules governing the proper installation of navigation lights.
What is the purpose of a navigation light?
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.
When did marine navigation lights become mandatory?
Marine navigation lights. In 1838 the United States passed an act requiring steamboats running between sunset and sunrise to carry one or more signal lights; colour, visibility and location were not specified.

What lights are required on a boat under 23 feet?
Vessels Under Oars or Paddles and Sailboats Under 23 FT If you are operating a sailboat that is less than 23 feet or 7 meters in length, you are only required to display a white light, such as a lantern or a flashlight, when operating between sunset and sunrise or during periods of restricted visibility.
What lights are required on a boat in Arkansas?
to both sides and is required on all power-driven vessels. A masthead light must be displayed by all vessels when under engine power. The absence of this light indicates a sailboat under sail. combine a masthead light and sternlight into a single white light that can be seen by other vessels from any direction.
What conditions require the use of navigation lights?
All vessels must show lights if operating at night or in restricted visibility. Even a vessel that does not travel between dusk and dawn may still need to show lights, for example, during a heavy rain shower or when at anchor.
Do you need a stern light?
Sailboats up to 20 meter – Must show side lights and a white stern light or tricolored masthead light as listed above; all must be visible to two nautical miles. All boats over 20 meters – Must show lights as listed above but masthead lights must be visible at five nautical miles.
Do I need navigation lights on my boat?
Boat Navigation Lights Whenever you are operating between sunset and sunrise, or in other times of restricted visibility, such as in fog or rain, you need to display the appropriate navigation lights so that other boats can see you and take the appropriate action to avoid a collision.
What types of boats require navigation lights?
Powered recreational vessels, including sailboats while under power, are required to use the following navigation lights while operating between sunset and sunrise or in periods of restricted visibility.
Do I need lights on my boat at night?
When underway, all motorboats must exhibit the lights as shown in Figure 1. Remember, motorboats include sailboats operating under power. The required lights are: Red and green sidelights visible from a distance of at least one mile away on a dark, clear night.
What do I need for my boat at night?
What To Pack For Boating At NightSafety Gear. By law, you must carry a full arsenal of safety gear, no matter the time of day. ... Communication Devices. ... A Navigational Device. ... A Spotlight. ... Warm Clothes. ... An Anchor. ... Take It Slow. ... Post A Lookout.More items...
What are the 5 navigational lights?
The range of Navigation lightsMasthead light- 6 miles.Sidelight-3 miles.Sternlight-3 miles.Towing light-3 miles.A white, red, green or yellow all-round light-3 miles.
What does a single white light on a boat tell you?
What Does a White Light Indicate? If only a white light is visible, you may be approaching another craft from behind. You are the give-way-craft and must take early and substantial action to steer well clear by altering your course and passing at a safe distance on the starboard (right) or port (left) side.
What does a blue light on a boat mean?
(a) Law enforcement vessels may display a flashing blue light when engaged in direct law enforcement or public safety activities. This light must be located so that it does not interfere with the visibility of the vessel's navigation lights.
What does a green light on a boat at night mean?
Sidelights: These red and green lights are called sidelights (also called combination lights) because they are visible to another vessel approaching from the side or head-on. The red light indicates a vessel's port (left) side; the green indicates a vessel's starboard (right) side.
What is required to have on a boat in Arkansas?
Arkansas boat registration Boaters must have an Arkansas Certificate of Number, the registrations, and validation decals. Vessels not propelled by an engine or sails do not need to be registered.
What is required to operate a boat in Arkansas?
To operate a personal watercraft (PWC), a person must be: 16 years old or older or… 12 to 15 years old and under the direct supervision of a person at least 18 years old or… Under 12 years old and under the direct supervision of a person at least 21 years old.
Which of the following vessels must be registered to operate legally on Arkansas waters?
Registering a Motor Boat Boats propelled by sail or motor (including trolling motors) of any type must be registered when operated on public waters. You must have an Arkansas Certificate of Number (registration) and validation decals to operate a motorboat on Arkansas' public waters.
Do you have to have a fire extinguisher on a boat in Arkansas?
One USCG-approved B-1 type fire extinguisher is required for all recreational motorboats except outboard-powered motorboats less than 26 feet long if constructed in a manner that will not allow gas fumes to accumulate.
What color are the side lights on a ship?
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.
What light do power boats have?
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.
Why is it important to know the navigation lights?
You are legally responsible for displaying lights of the proper color, intensity, location and visibility on your boat. You are required to display the appropriate lights at night or during times of reduced visibility.
What is the responsibility of the owner of a boat?
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.
Why do we need navigation lights?
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.
How long should a sailing vessel be to have a navigation light?
Navigation Lights for Sailing. 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.
What does it mean when a green light is over a white light?
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.
What are Boat Navigation Lights?
Boat Navigation Lights are used to reduce the probability of a collision with another vessel at night or during times of reduced and/or limited visibility. These lights are an essential tool that improves your overall safety when using your boat.
Why are navigation lights important?
Navigation lights are extremely important when it comes to increasing your safety when using your vessel at nighttime or during limited visibility. Just like when driving a car at night, the headlights and backlights help your vehicle stay visible to others on the road and prevent yours from steering off the road and colliding with another. A boat’s navigation lights are the most important aspects to the navigation of a vessel. The navigation lights’ primary function is to aid in the prevention of any major accident from occurring.
What side of the boat must the lights be on?
These boats must display a green sidelight at the starboard side and a red sidelight at the port side. These lights must shine light ahead at 112.5-degrees on either side and should be visible at 2 miles.
How big do you need to be to have a navigation light?
Additionally, for vessels that are larger than 64.6 feet require navigation lights at a much stronger level of intensity to ensure its safety while navigating during times of night and limited visibility.
What color are masthead lights?
Masthead lights, which are white in color and shine from 112.5-degrees on the port side of the vessel and on the starboard side.
How to fix navigation light on boat?
If your navigation lights were to stop working or not turn on, there is a way to fix and troubleshoot the issue. Make sure to check your boat’s fuses and breaker switches. At times it is necessary to replace it and check to see if the light works again. Sometimes your boat may have a circuit breaker toggle for the one your light is connected to, and when it has tripped, a simple switch back into its original position will help the light illuminate again. If that does not solve the problem, make sure to contact a specialist who can assist you, so your boat complies with marine light laws and regulations.
What color lights do you need for a boat?
These boats require a red, green, or yellow all-around light with 2 miles of visibility.
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.
Which Navigation Lights are Required on My Boat?
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.
Operators Responsibility
The USCG as well as state authorities hold the operator of the vessel responsible for the correct use and understanding of nav lights.
Where do navigation lights go on a boat?
The current navigation light requirements are found in the Navigation Rules, International-Inland, and in Parts 81, 84, and 89 of Title 33 , Code of Federal Regulations . They’re easy to find, but many sailors and boat manufacturers do not have a good understanding of the rules governing the proper installation of navigation lights. To help clear up any misunderstandings here’s all you need to know:
How far can side lights be from the horizon?
Sidelights that meet the rules are designed to cover an arc of the horizon, or sector, of 112.5 degrees. Intensities are required to attain a visible range of 1 mile for vessels less than 12 meters (39.4 ft.) and 2 miles for vessels 12 meters or longer. These fixtures are designed for intensities to decrease and reach practical cutoff between 1 and 3 degrees outside their prescribed sector. Any side lights must be installed parallel with the fore and aft centreline of the boat and arranged to show an unbroken light from right ahead to 22.5 degrees abaft the beam, a total sector arc of 112.5 degrees.
Why are boat navigation lights important?
Boat navigation lights are essential when you’re out on the water. They’re essential, but it’s easy to misunderstand their uses and correct placements. If you don’t know the correct placement for your stern lights or know what type of navigation light you need on your mast, don’t worry: we’re here to help.
Why are lights required at night?
To alert other vessels of conditions that may be hazardous, there are requirements to display lights at night and shapes during the day.
How fast can a powerboat go?
Powerboats less than 7 meters whose maximum speed cannot exceed 7 knots may exhibit an all-round white light, and if practicable sidelights instead of the lights prescribed above, in international waters only.
What is a powered boat?
Sailing vessels operating under machinery, or under sail and machinery are considered as powered boats and must display the lights prescribed for a power-driven vessel.
What shape do vessels exhibit at anchor?
Vessels at anchor shall exhibit forward where best seen, a ball shape (see Figure 8).
Why do boats have white lights at night?
A towing boat that is 30 feet in length or longer must display two white masthead lights on top of each other at night to indicate that it’s towing another boat. Use this rhyme to remember: White over white, towing at night!
What is the arc of a boat?
Arc: Showing an unbroken light over an arc of 112.5 ° that is visible to other boats approaching from the starboard (right) side or from head-on.
What is the angle of the light on a stern?
Arc: Combined, the light is a 360 ° view. The white section is at the stern (135 ° ), the red section is portside and extends to the bow (112.5 °) and the green section is on the starboard side extending to the bow (112.5 °)
What is an arc in nautical terms?
Arc: Showing an unbroken light over an arc of 112.5 ° that is visible to other boats approaching from the port (left) side or from head-on.
What does it mean when you see a blue light on the water?
If you should see a flashing blue light on the water, this is a law enforcement boat and you should be careful to stay out of its way. Use this rhyme to remember: Flashing blue could rescue you!
What is the angle of a boat light?
Arc: Shows a solid light over a sweep of 225 ° from the front of the boat to 22.5 ° on either side of the bow.
How high should a masthead light be?
Note: The all-around light functions as a combined masthead and sternlight–this light must be visible in all directions and must be at least 1 m higher than the sidelights.
How many degrees do you need for a powerboat?
Powerboats under 12 meters (39.4 feet) in length must have separate or combined red and green sidelights covering 112.5 degrees and visible for 1 nautical mile. The white masthead light must cover 225 degrees, be 1 meter above the sidelights and be visible for 2 nautical miles.
How far above the mast should the white light be?
The white masthead light must cover 225 degrees, be 1 meter above the sidelights and be visible for 2 nautical miles. The white stern light must cover 135 degrees and be visible for 2 nautical miles, or you can substitute one 360-degree all-around white light.
How many white lights do you need for a small boat?
Small power driven vessels (under 12 metres (39 ft)) may carry a single all-round white light in place of the two or three white lights carried by larger vessels, they must also carry red and green navigation lights. Vessels under 7 metres (23 ft) with a maximum speed of less than 7 knots are not required to carry navigation lights, but must be capable of showing a white light. Hovercraft at all times and some boats operating in crowded areas may also carry a yellow flashing beacon for added visibility during day or night.
What are the lights on a boat?
Lights of special significance 1 Ships at anchor display one or two white anchor lights (depending on the vessel's length) that can be seen from all directions. If two lights are shown then the forward light is higher than the aft one. 2 Boats classed as "small" are not compelled to carry navigation lights and may make use of a handheld torch.
What is the purpose of navigation lights in civil aviation?
Their purpose is to alert others when something is happening that ground crew and other aircraft need to be aware of, such as running engines or entering active runways. In civil aviation, pilots must keep navigation lights on from sunset to sunrise.
What is the red light on a Boeing 757?
A British Airways Boeing 757-200 lands. The port wing tip carries a red navigation light. A navigation light, also known as a running or position light, is a source of illumination on a vessel, aircraft or spacecraft. Navigation lights give information on a craft's position, heading, integrates and status.
How fast can a boat go without a navigation light?
Vessels under 7 metres (23 ft) with a maximum speed of less than 7 knots are not required to carry navigation lights, but must be capable of showing a white light. Hovercraft at all times and some boats operating in crowded areas may also carry a yellow flashing beacon for added visibility during day or night.
What is a high intensity white strobe light?
High-intensity white strobe lights are part of the anti-collision light system, as well as the red rotating beacon. All aircraft built after 11 March 1996 must have an anti-collision light system (strobe lights or rotating beacon) turned on for all flight activities in poor visibility.
How many lights are there at anchor?
Ships at anchor display one or two white anchor lights (depending on the vessel's length) that can be seen from all directions. If two lights are shown then the forward light is higher than the aft one. Boats classed as "small" are not compelled to carry navigation lights and may make use of a handheld torch.
What Are Navigation Lights On a Boat?
Navigation lights are used to help other boaters see you when visibility is reduced, and it allows you also to see the other boaters to avoid collisions.
What Lights Are Required On a Boat?
Boats are required to have navigation lights. Navigation lights are required whenever you are operating your vessel between sunset and sunrise, or during any other times when your visibility is restricted from elements such as fog or rain.
When Should Navigation Lights Be Displayed On a Boat?
Navigation lights are required to be displayed in between sunset and sunrise, and anytime that visibility is restricted. For example, due to fog or rain.
Where Can You Buy Navigation Lights?
As discussed earlier, not all boats automatically come with the proper display of navigation lights. It is your responsibility to ensure that your boat has all of the proper equipment for your safety and the safety of others.
How far away from the gunnel should the masthead light be?
The masthead light must be positioned at least 8 feet above the gunnel. A white stern light located at the rear of the boat that is visible at 135 degrees and can be seen from 2 miles away. A pair of red and green sidelights that are visible 112.5 degrees and can be seen at least one mile away.
How far above the side lights do you need to mount a white light?
The all-around white light must be mounted at least 39 inches above the side lights. A pair of red and green sidelights that are visible 112.5 degrees and can be seen at least one mile away. Vessel length: 12 meters to 20 meters (39.4 FT. to 65.6 FT.) Lighting requirement:
What is the difference between a red and green light on a boat?
A red sidelight indicates the port side of the vessel, while a green light shows the starboard side of the vessel. The white light in most cases is called an all-around light, which means it can be seen from any angle by other boaters.
What About Boaters Who Are Color Blind?
Unfortunately, people who are color blind won’t safely operate a boat at night by themselves.
Why are boat navigation rules important?
Boat navigation light rules help boaters communicate with each other. They also help to determine who has the right of way. This is important as it determines what actions boats will take as they pass one another.
How are light rules broken down?
These sets of rules are broken down based on whether the boat is a sailboat or a powered boat. Once this is established, the rules are then broken down by size.
What boat needs a white light?
Unpowered boats such as sailboats, rowboats, and kayaks under 23 feet in length only need to have a white light on them. This white light can be anything from a flashlight to a lantern.
How many lights do you need for a powered boat?
Here are the lights you’ll need when operating a powered boat, depending on the size of the boat you’re operating. You’ll need one red light and one green light at the front port and starboard sides of the boat for these boats. These lights should be positioned so that they can be seen at an angle of 112.5 degrees.
What happens if you don't comply with the boat navigation light rules?
Failing to comply with these rules can leave you open to enforcement violations as well as lawsuits. Also, knowing these rules will help keep you and other boaters safe while out on the water, so you must learn and remember them. Here’s everything you should know about the boat navigation light rules.
What side of the boat is the red light on?
Generally, all boats will have a red light on their port side and a green light on their starboard side. To put it in plain English, if you’re in the driver’s seat, the red light goes on the left, and the green light goes on the right. A white light should be at the stern of the boat. The stern is the rear of the boat.

Legal Requirements
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. Sidelights - Colored lights - red on port and green on starboard …
Navigation Lights For Sailing
- 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.
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 visib...
Which Navigation Lights Are Required on My Boat?
- 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.
Operators Responsibility
- 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 you…
FAQ
- 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.