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There have been a number of questions about boating lights here recently, so I'm assuming this is another.
The answer to this one is complicated, and depends on:
1. If the boat is a sailboat or a powerboat (sailboats which also have motors are considered powerboats if the motor is in use).
2. If the boat is in motion or at anchor.
3. The size of the boat.
You should really be a lot more specific with the question if you want a definitive answer; specifically you should say whether it's a sailboat or a powerboat, if it's under sail/power or at anchor, and how long the keel is.
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∙ 7y ago
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A powerboat less than 39.4 feet long is anchored at night From which direction must a white light be visible?
A powerboat less than 39.4 feet long is anchored at night white light must be visible from all directions.
Where must the white light be visible for a power boat 395?
A white light on a powerboat (that obviously doesn't have a mast) must be displayed so as to be visible from 360 degrees.
Which direction must the white masthead light be visible?
Rule 21 It must show an unbroken light over an arc of the horizon of 225 degrees and so fixed as to show the light from right ahead to 22.5 degrees abaft of the beam.
A vehicle must have a white light that makes the license plate visible from?
25 ft.
What color must be added to a green light to become a white light?
White light is the full spectrum of visible light. So in order to get true white light you need to add violet, blue, yellow, orange, and red.
What lights are all vessels required to display when moored or anchored outside a designated mooring a area between sunset and sunrise?
This white-colored light that must be visible from all angles is called an anchor light. It is usually situated atop the mast.
What color light must be displayed by a commercial vessel that is towing at night?
A white light is the color of light that must be displayed on a vessel towing at night, I t must be displayed at 8.2 feet higher than the colored sidelights. It should have an all round white light visible for 2 miles.
For use between sunset and sunrise a bicycle must be equipped with a lamp on the front exhibiting a white light visible from feet to the front?
500
What type of pavement marking is used to show you which lane you must use for a turn?
A white line with a curved arrow pointing the way you must go.
When another vessel is approaching at night from which direction must the red sidelight on a power driven vessel be visible?
The red light should be on the right side, or port side, of the boat. The green light should be on the left, or starboard, side of the boat.
What kind of light must a steamer show at night?
It must have a navigation light visible from ahead to 22.5 degrees abaft the beam, on each side, green on the starboard side and red on the port side. It must have a white stern light visible over an arc of 135 degrees. If longer than 80 metres it must also have two white lights both visible in an arc of 225 degrees about the bow, both lights to be spaced along on the centre line of the ship, with the forward one lower than the other one. The point about the coloured lights is that the ship must always give way to a vessel on the starboard side. At night it shows the green light on that side. The red light on the other side tells another ship that it must give way by slowing down or changing course to starboard.
What lights are all vessels required to display when moored or anchored outside a designated area between sunset and sunrise?
This white-colored light that must be visible from all angles is called an anchor light. It is usually situated atop the mast.
