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When may a remote pilot reduce the brightness of the anti-collision lights?

When dimming is in the interest of safety, but never turned off.

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  1. Never
  2. When the pilot decides dimming is safer ✔
  3. Whenever a manned aircraft is nearby

Why: Part 107 lets the remote PIC reduce the intensity if operating conditions make that safer. The lights may never be turned off.

Huh, didn't know that: The same dimming allowance applies during civil twilight and at night.

The dad joke
My drone's lights have a dimmer switch but no off switch. Kind of like my brother.
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References

Answer: When the pilot decides dimming is safer. Part 107 lets the remote PIC reduce the intensity if operating conditions make that safer. The lights may never be turned off.

  1. 14 CFR 107.29, Operation at night www.ecfr.gov/current/title-14/section-107.29
    if he or she determines that, because of operating conditions, it would be in the interest of safety to do so.
    Checked 2026-10-09.

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