In general, all navigation light systems include red and green sidelights, which indicate the port and starboard side of your boat, as well as one or more white lights. It’s also important that you have a flashlight on board, as you never know when a navigation light might burn out.

Do all boats need lights at night?

Every boat needs to have navigation lights on the boat if you are using or operating the boat at night. Undoubtedly you should have them if you are using the boat at night regardless of the boat type and length (even if you are using any small vessels like dingy, boats powered by manpower, etc.).

What navigation lights are you required to display when anchoring your boat for the night?

If you are approaching an anchored craft, the anchored craft will be exhibiting an all-round white light to indicate to other boaters that their craft is at anchor. Remember: anchored boats should never display their green and red sidelights as these lights will indicate to other boaters that your craft is underway.

Do all boats need navigation lights?

Powerboats need to have a masthead light forward, sidelights and a stern light. Vessels less than 12 meters in length can have an all around white light and sidelights. … For sailboats that are less than 7 meters long, the general boat navigation lights apply.

What color lights do you need on a boat?

What lights are required on a boat at night? The required lights are: Red and green sidelights visible from a distance of at least two miles away—or if less than 39.4 feet (12 meters) long, at least one mile away—on a dark, clear night.

Are LED navigation lights legal?

In general, LED lights for navigation lights are fine but they must meet Coast Guard requirements and approval. (This statement is not specific to LED strip lights but LED lights in general). Manufacturer installed navigation lights should be considered to meet the requirements.

When must powerboats use a muffler?

When do powerboats need a muffler? Every boat equipped with a motor other than a stock (unmodified) outboard engine must have a muffler and use it while operating within five nautical miles (9.26 km) of shore.

What side should you pass a boat on?

If you meet another boat head-on: Under the boating rules of the road, vessels approaching each other head-on are always supposed to pass each other port to port — or left to left, just like on the road.

What do 3 short blasts of a horn indicate?

One prolonged blast indicates you are getting under way, and three short blasts indicate you are backing up. This is what is sounded when you are departing a dock in reverse.

What do red and green lights mean on a boat?

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.

Article first time published on

What do green and white lights on a boat mean?

Sailboat B: When white and green lights are visible, you are approaching the starboard side of a powerboat. Stand on. Powerboat A: When only a green light is visible, you are approaching the starboard side of a sailboat. Give way to your port side.

What lights should be displayed when anchored at night?

Vessels at Anchor When anchored at night outside a designated anchorage, an all-round light visible for at least 2nm is required. During the day, when anchored outside a designated anchorage, a black anchor ball must be displayed.

What do blue lights 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.

Is starboard green or red?

To set forth these navigational rules, the terms starboard and port are essential, and to aid in in situ decision-making, the two sides of each vessel are marked, dusk to dawn, by navigation lights, the vessel’s starboard side by green and its port side by red. Aircraft are lit in the same way.

How tall should stern light be?

Your white stern light is supposed to be at least one meter above your green and red sidelights on the bow. Actually, the USCG regs say that the sidelights must be at least one meter below the stern light, but same difference.

Why do boats run water through exhaust?

Water-cooled inboard engines inject cooling water into the exhaust pipe, which cools the exhaust and muffles engine noise. The exhaust then pushes the water out the exhaust pipe. … Wet exhaust systems have the advantage of using the heat-absorbing and sound-dampening qualities of water to cool and quiet the exhaust.

Is water supposed to come out of propeller?

Yes, water should come out of the prop hub with the exhaust.

What will prevent the ignition of gasoline fumes?

Backfire flame arrestors are designed to prevent the ignition of gasoline vapors in case the engine backfires.

When should nav lights be on?

Navigation lights have to be turned on between sunset and sunrise during all operations (on the ground and in the air). You should also use them in bad weather (during the day). Seaplanes should use maritime rules when operating on the surface of water (they are similar to aviation rules in terms of lighting).

What is an anchor light on a boat?

Anchor lights, the lights that are visible when a boat is anchored at night, are a key factor in making nighttime boating both easier and safer. If you only take your boat to a designated mooring and never plan on anchoring, then it is not necessary for you to use an anchor light.

Where do navigation lights go on a boat?

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.

What does 7 blasts on a ship's horn mean?

When in inland waters, this signal horn also means that the ship is changing course to port. … Seven Short Horn Blasts followed by One Long Blast – This horn signal indicates a general emergency and will also be accompanied by alarms and visual indicators depending on the ship you are sailing on.

What does 5 horn blasts mean?

Five (or more) short, rapid blasts signal danger or signal that you do not understand or that you disagree with the other boater’s intentions.

Do sailboats always have the right of way?

Maneuverability Is Key! Sailboats under sail generally have right of way over most recreational powerboats, because sailboats are assumed to have more restricted maneuverability than powerboats (for example, a sailboat cannot turn and sail straight into the wind to avoid a collision).

What side of the buoys do you stay on?

Can Buoys. Cylindrical-shaped markers that are always green in color, with odd numbers. Keep this marker on your left (port) side when proceeding in the upstream (returning from sea) direction.

When someone falls overboard What should the skipper take?

If someone on your boat falls overboard, you need to immediately: Reduce speed and toss the victim a PFD—preferably a throwable type—unless you know he or she is already wearing a PFD.

What do the green and red buoys mean?

Channel Markers These are companion buoys that indicate the boating channel is between them. When facing upstream, or coming from the open sea, the red buoys are located on the right (starboard) side of the channel; the green buoys will be on the left (port) side of the channel.

Why is it called starboard?

In the early days of boating, before ships had rudders on their centerlines, boats were controlled using a steering oar. … Sailors began calling the right side the steering side, which soon became “starboard” by combining two Old English words: stéor (meaning “steer”) and bord (meaning “the side of a boat”).

Do you need red and green lights on a boat?

When the masthead light and the stern light are combined, that makes up 360 degrees. Finally, you need one pair red and green sidelights that are visible across 112.5 degrees and from a distance of one mile.

What should the stand-on vessel do?

Stand-on vessel: The vessel that must maintain its course and speed unless it becomes apparent that the give-way vessel is not taking appropriate action. If you must take action, do not turn toward the give-way vessel or cross in front of it.

What do red and white lights mean on a boat?

A steady red light marks the port (left) side of a boat; a steady green light marks the starboard (right). White lights are masthead lights or stern lights on the back of the boat. They make the boat visible at night.