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AhaBulb: Stuff Everyone Should Know · ahabulb.com/drone-category-4-airworthiness

Which operations-over-people category requires an FAA airworthiness certificate?

Category 4.

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  1. Category 4 ✔
  2. Category 3
  3. Category 2

Why: Category 4 drones must have an airworthiness certificate issued under Part 21. They must also be maintained to set standards with records kept.

Huh, didn't know that: Category 4 drones may fly over people in moving vehicles if their flight manual does not prohibit it.

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Why was the Category 4 drone so confident? It had the paperwork to prove it was worthy.
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References

Answer: Category 4. Category 4 drones must have an airworthiness certificate issued under Part 21. They must also be maintained to set standards with records kept.

  1. 14 CFR Part 107 Subpart D (eCFR) www.ecfr.gov/current/title-14/chapter-I/subchapter-F/part-107/subpart-D
    Have an airworthiness certificate issued under part 21 of this chapter.
    Checked 2026-10-07.

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