Who is authorized to repair an aircraft instrument?1.A certified mechanic with an airframe rating.2.A certificated repairman with an airframe rating.3.A certificated repair station approved for that class instrument.4.A certificated airframe repair station.
发布于 2021-02-18 21:49:02
【单选题】
A 1,2, 3, and 4.
B 3 and 4.
C 3,
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