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The Perko European Style LED Navigation Light is a green side light in a white plastic housing with a 112.5 degree visibility arc and 2 mile visibility, certified for vessels under 20 meters.
The 112.5 degree arc is not a design choice but a legal requirement. A side light must show from dead ahead to 22.5 degrees abaft the beam and no further, so another vessel can tell your heading from the lights alone. Green marks starboard and red marks port, which is what determines who gives way in a crossing situation.
Two nautical miles is the required visibility range for a vessel of this size, and the certification depends on meeting it. LED draws a fraction of the current a filament bulb needs, which matters on a boat running lights all night off a battery. Explore more navigation lights.
The Perko European Style LED Navigation Light is a green side light in a white plastic housing with a 112.5 degree visibility arc and 2 mile visibility, certified for vessels under 20 meters.
The 112.5 degree arc is not a design choice but a legal requirement. A side light must show from dead ahead to 22.5 degrees abaft the beam and no further, so another vessel can tell your heading from the lights alone. Green marks starboard and red marks port, which is what determines who gives way in a crossing situation.
Two nautical miles is the required visibility range for a vessel of this size, and the certification depends on meeting it. LED draws a fraction of the current a filament bulb needs, which matters on a boat running lights all night off a battery. Explore more navigation lights.
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