Aircraft Mechanic, Req. 1923 1927, 1945 1950, 1953 1972 Services, repairs, and overhauls aircraft and aircraft engines to ensure airworthiness. Repairs, replaces, and rebuilds aircraft structures, such as wings and fuselage, and functional components including rigging, surface controls, and plumbing and hydraulic units, using hand tools, power tools, machines, and equipmen