Can the mechanic who performed 100-hour inspection sign off the aircraft?

  • $\begingroup$ What do you mean by "sign off" the aircraft? And can we assume you're asking about the US (FAA) regulations? $\endgroup$
    – Pondlife
    Sep 8, 2018 at 2:30

1 Answer 1



In the United States, annual inspections must be signed off by an IA, but 100-hour inspections may be signed off by the A&P that performed the inspection.

  • $\begingroup$ In general, that is what differentiates the 100 hour and Annual inspections. Otherwise they are the same. $\endgroup$
    – Mike Brass
    Sep 9, 2018 at 0:38

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