What is Strobes and beacons lights? - اسأل الطيار ask pilot

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Sunday, July 12, 2020

What is Strobes and beacons lights?

 Strobes and beacons lights


Strobes are the bright white lights that flash about once per second. Beacon is a light that flashes slowly. They are the brightest lights on the aircraft, and are used to signal that an aircraft is entering or approaching an active runway, or for visibility in dark, clear sky.

Beacon lights are bright enough to be seen from the ground, and can be used to identify aircraft from the ground in dark or overcast conditions where the plane itself isn't completely visible.

Strobes and beacons are considered anti-collision lights. Anti-collision lights which should be used whenever the engine is running except when they interfere with ground operations. Strobes do not have to be used all the time if a beacon is on.

Sources:
https://www.skybrary.aero/index.php/External_Lights

https://www.faa.gov/documentLibrary/media/Advisory_Circular/AC_43-217.pdf
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https://pilot-protection-services.aopa.org/news/2018/february/01/inoperative-anticollision-lights

https://www.faa.gov/documentLibrary/media/Advisory_Circular/AC_20-30B.pdf

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