During a night run-up, what does the FAA warn could go unnoticed?

The airplane creeping forward, so hold the brakes firmly.

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  1. The engine overheating
  2. The airplane creeping forward ✔
  3. A burned-out panel bulb

Why: In daylight it is easy to see the airplane move during a run-up. At night it can creep forward without you noticing, so the AFH says hold or lock the brakes and watch for movement.

Huh, didn't know that: The AFH also says to taxi slowly at night, especially in congested areas, and follow painted taxi lines.

The dad joke
My airplane tried to sneak off during the run-up. It's a real creep.
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References

Answer: The airplane creeping forward. In daylight it is easy to see the airplane move during a run-up. At night it can creep forward without you noticing, so the AFH says hold or lock the brakes and watch for movement.

  1. Airplane Flying Handbook FAA-H-8083-3C, Chapter 11 www.faa.gov/sites/faa.gov/files/regulations_policies/handbooks_manuals/aviation/airplane_handbook/12_afh_ch11.pdf
    at night, the airplane could creep forward without being noticed unless the pilot takes steps to prevent this possibility.
    Checked 2026-10-09.

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