6 Airworthiness Directives: 3 airplane, 1 rotorcraft, 1 engine, 1 propeller.
AD 66-22-03 · published Sep 3, 1966, effective Sep 3, 1966
Textron Aviation Inc. Airplanes
AD 66-22-01 · published Sep 7, 1966, effective Sep 7, 1966
The Boeing Company Airplanes
AD 66-11-02 · published Sep 23, 1966, effective Sep 23, 1966
Lockheed Martin Corporation Airplanes
AD 66-22-04 · published Sep 2, 1966, effective Sep 2, 1966
Hiller Aviation, Siam Hiller Holdings, Inc. Helicopters
AD 66-21-01 · published Sep 30, 1966, effective Sep 30, 1966
Pratt & Whitney Division Engines
AD 66-09-01 · published Sep 13, 1966, effective Sep 13, 1966
Dowty Propellers Propellers
