We"ve covered the lights the you require for it is provided recreational vessels, now let"s look in ~ the needs for sailboats and also other unpowered boats.

You are watching: A sailboat is operating under sail at night. which of these lights should be used?

If you space operating a sailboat that is over 23 feet in length, or 7 meters, you need to screen the adhering to navigation lights as soon as operating in between sunset and also sunrise or in periods of minimal visibility:

A white stern light that is visible at 135 degrees and also from 2 miles.And one pair the red and also green sidelights that room visible at 112.5 degrees and from one mile away.

Another alternative for sailboats of this size is to display screen an all-around irradiate configuration, sometimes dubbed a tricolor light, i beg your pardon is visible from a street of two miles. This irradiate configuration has three sections: red in ~ port, eco-friendly at starboard and also white at the stern.

Sailing Vessels


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Figure A

Sternlight (aft) —135 degrees visible fromtwo miles.Sidelights (either combined or separate) — 112.5 levels visible indigenous one mile.
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Figure B

Tricolor light linked in one lantern (red, green, white)White— 135 levels (stern)Green — 112.5 degrees (starboard)Red — 112.5 degrees (port)

Note: A tricolor light deserve to only be presented while underway under sails alone and must not be supplied when under strength whether or not sails are hoisted. This light should not be provided when the continual sidelights space on. One of two people the sidelights or the tricolor light may be displayed, however not both.

Vessels Under Oars or Paddles and Sailboats Under 23 FT

If you are operating a sailboat the is much less than 23 feet or 7 meter in length, you are only required to display a white light, such as a lantern or a flashlight, as soon as operating between sunset and sunrise or during periods of restricted visibility. However, it"s still a an excellent idea to display the navigation lights for bigger sailboats if possible.

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The demands for tiny sailboats likewise apply to other unpowered boats under 23 feet in length, such together canoes, kayaks and also rowboats. When boating in between sunset and sunrise or throughout periods of minimal visibility, you need to display screen a white irradiate so that other boats can check out you with time to prevent a collision.