24 Airworthiness Directives: 16 airplane, 4 rotorcraft, 3 engine, 1 appliance.
AD 54-23-01 · published Dec 1, 1978, effective Dec 1, 1978
The Boeing Company Airplanes
AD 67-13-02 · published Dec 1, 1978, effective Dec 1, 1978
The Boeing Company Airplanes
AD 78-20-10 · published Dec 6, 1978, effective Dec 6, 1978
The Boeing Company Airplanes
AD 74-12-06 · published Dec 8, 1978, effective Dec 8, 1978
Lockheed Martin Corporation Airplanes
AD 78-20-06 · published Dec 8, 1978, effective Dec 8, 1978
Aircraft Parts & Development Corp. Airplanes
AD 78-23-06 · published Dec 11, 1978, effective Dec 11, 1978
The Boeing Company Airplanes
AD 78-25-02 · published Dec 14, 1978, effective Dec 14, 1978
Learjet Inc. Airplanes
AD 77-23-09 · published Dec 18, 1978, effective Dec 19, 1978
Piper Aircraft Inc. Airplanes
AD 78-23-13 · published Dec 18, 1978, effective Dec 18, 1978
Vickers-Armstrongs (Aircraft Limited) Airplanes
AD 78-24-04 · published Dec 20, 1978, effective Dec 20, 1978
Israel Aircraft Industries, Ltd. Airplanes
AD 78-26-03 · published Dec 20, 1978, effective Dec 20, 1978
Allied Ag Cat Productions, Inc. Airplanes
AD 78-25-07 · published Dec 22, 1978, effective Dec 22, 1978
Cessna Aircraft Company Airplanes
AD 78-25-09 · published Dec 22, 1978, effective Dec 22, 1978
The Boeing Company Airplanes
AD 78-26-05 · published Dec 26, 1978, effective Dec 26, 1978
Piper Aircraft Inc. Airplanes
AD 78-26-06 · published Dec 26, 1978, effective Dec 26, 1978
Piper Aircraft Inc. Airplanes
AD 78-26-11 · published Dec 26, 1978, effective Jan 4, 1979
Piper Aircraft Inc. Airplanes
AD 78-23-03 · published Dec 4, 1978, effective Dec 4, 1978
Airbus Helicopters Helicopters
AD 78-23-07 · published Dec 14, 1978, effective Dec 14, 1978
Hiller Aviation, Siam Hiller Holdings, Inc. Helicopters
AD 78-25-04 · published Dec 18, 1978, effective Dec 18, 1978
Schweizer Aircraft Corporation Helicopters
AD 78-26-04 · published Dec 27, 1978, effective Dec 27, 1978
Schweizer Aircraft Corporation, MD Helicopters, Inc. Helicopters
AD 78-25-01 · published Dec 8, 1978, effective Dec 8, 1978
Lycoming Engines Engines
AD 78-26-08 · published Dec 19, 1978, effective Dec 19, 1978
General Electric Company Engines
AD 78-23-12 · published Dec 20, 1978, effective Dec 20, 1978
Pratt & Whitney Division Engines
AD 78-25-03 · published Dec 11, 1978, effective Jan 15, 1979
Piper Aircraft Inc. Appliances
