SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/drone-night-light-preflight

Before a night drone flight, what special equipment must the preflight check confirm works?

Confirm the anti-collision light functions properly.

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  1. A spare second controller
  2. A ground spotlight
  3. The anti-collision light ✔

Why: Night flight depends on working anti-collision lighting. The pilot should test it before launch and account for the power it consumes when planning flight time.

Huh, didn't know that: A light's flash rate must also be sufficient to help avoid a collision at the operating location.

The dad joke
Why did the drone test its light? It wanted a bright start to the night shift.
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References

Answer: The anti-collision light. Night flight depends on working anti-collision lighting. The pilot should test it before launch and account for the power it consumes when planning flight time.

  1. FAA Advisory Circular 107-2A www.faa.gov/documentlibrary/media/advisory_circular/ac_107-2a.pdf
    Ensure the small unmanned aircraft anti-collision light(s) function(s) properly prior to any flight that will occur during civil twilight or at night.
    Checked 2026-10-09.

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