8 Airworthiness Directives: 3 airplane, 1 rotorcraft, 3 engine, 1 appliance.
AD 78-17-04 · published Sep 5, 1978, effective Sep 5, 1978
Kelowna Flightcraft R & D Ltd. Airplanes
AD 78-18-02 · published Sep 6, 1978, effective Sep 6, 1978
Day, Gene C., Douglas Aircraft Co., Inc., The Boeing Company Airplanes
AD 78-18-05 · published Sep 13, 1978, effective Sep 13, 1978
Aerostar Aircraft Corporation Airplanes
AD 78-16-01 · published Sep 14, 1978, effective Sep 14, 1978
Bell Helicopter Textron Canada Limited Helicopters
AD 78-17-08 · published Sep 1, 1978, effective Sep 1, 1978
Pratt & Whitney Division Engines
AD 78-16-05 · published Sep 12, 1978, effective Sep 12, 1978
Pratt & Whitney Division Engines
AD 78-19-01 · published Sep 25, 1978, effective Sep 25, 1978
Rolls-Royce plc Engines
