8 Airworthiness Directives: 6 airplane, 1 rotorcraft, 1 appliance.
AD 58-19-03 · published 1958
Mooney Aviation Company Inc Airplanes
AD 58-20-01 · published 1958
Airlift International, Inc., Curtiss-Wright Corporation, Flying Tiger Line, Inc., L. B. Smith Aircraft Corporation, Skyways International Trading and Transport Co., Tempo Design Corporation Airplanes
AD 58-20-02 · published 1958
de Havilland Aircraft Co., Ltd., The Airplanes
AD 58-20-03 · published 1958
Lockheed Aircraft Corporation Airplanes
AD 58-20-04 · published 1958
Boeing Defense & Space Group Helicopters
