(1) Propellers are NOT included in the Airworthi- ness Directive system.(2) A certificated powerplant mechanic may make a minor repair on an aluminum propeller and approve for return to service.Regarding the above statements,
发布于 2021-02-17 16:39:24
【单选题】 A only No.2 is true. B both No.1 and No.2 are true. C neither No.1 nor No.2 is true.
