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. An all-round white light (if vessel is less than 39.4 feet long) or both a masthead light and a sternlight.
What does a single white light on a boat tell you at night?
Powerboat A: When only a white light is visible, you may be overtaking another vessel. Give way to either side. Powerboat B: You are being overtaken.
What navigation lights are required for human powered vessels at night?
Approaching Human-Powered Boats
Remember that if you’re operating a human-powered boat at night, you’re required to have a working, electric torch, flashlight or lighted lantern showing a white light (this rule applies if the boat cannot be equipped with standard navigation lights.).
How do boats see at night?
Running and marker lights are red and green. … Red and green lights are forward on either side of the bow and a white light is aft at the stern. If you see both red and green, the boat is coming head on. If you see white, the boat is ahead of you and/or moving away.
What time do you need lights on a boat?
Vessel operators must make sure that their vessels are equipped with the proper navigation lights and use the lights during these conditions: When away from the dock between sunset and sunrise. During periods of restricted visibility such as fog or heavy rain.
What side do you pass an oncoming boat?
You must take early and substantial action to keep well clear of the other boat by altering your speed and course. You should pass at a safe distance to the port (left) or starboard (right) side of the other boat. If a safe route exists, you should always attempt to pass the boat on the starboard side.
How do you pass a boat at night?
You should either slow down and allow the vessel to pass, or you can turn to your right and pass behind the other vessel. Only Red or Green Lights: If you only see a red or green light, you may be approaching a sailboat or unpowered boat. You must always give way for a sailboat.
Why do boats use red lights at night?
Your night vision can be impaired by the glare from white lights, making it very difficult to see through the night. Red lighting however, does not affect your eyes’ ability to adapt to the dark, allowing you to light your vessel while ensuring your vision is not compromised and that you can safely navigate.
What does red and green light indicate when seen together at night?
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 must you do when anchoring at night?
How to Anchor at Night
- Take full stock. Keep track of the tide, wind, traffic, and changing conditions. …
- Post someone on watch. Supervision is necessary because, even with an anchor, the conditions can and will change.
- Check in regularly. …
- Keep your lights on. …
- Know the rules.
Can I sleep in my boat?
A cove or inlet is a great place to sleep in your boat. You should avoid any heavy-traffic areas or spots that will be hammered by heavy winds. To find the best spot, you’ll want to do some research, using maps to find a good location. You may even want to scout the area in person.
Is it illegal to have headlights on a boat?
There is a natural tendency for a boater to want to use a searchlight or spotlight at night, just as one would use headlights on a car. But headlights won’t work on the water. … Secondly, other boats will not be using searchlights (headlights). The only way you’ll have to spot them is by their green, red or white lights.
Why do boats pass on the right?
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”). As the size of boats grew, so did the steering oar, making it much easier to tie a boat up to a dock on the side opposite the oar.
What color lights go on the front of a boat?
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.
What do two short blasts of a horn mean?
Two short blasts tell other boaters, “I intend to pass you on my right (starboard) side.”
What is being signaled when you hear 5?
Five Short Blasts – This is the DANGER signal. Remember, that when you approach another vessel and hear either one or two short blasts, and you both understand their signal and can safely let them do it, then you are required to respond with the same signal in response.