16 Airworthiness Directives: 11 airplane, 3 rotorcraft, 2 engine.
AD 76-22-02 · published Jun 2, 1977, effective Jun 2, 1977
Textron Aviation Inc. Airplanes
AD 77-12-01 · published Jun 9, 1977, effective Jun 10, 1977
Piper Aircraft Inc. Airplanes
AD 77-12-02 · published Jun 9, 1977, effective Jun 10, 1977
Piper Aircraft Inc. Airplanes
AD 77-10-01 · published Jun 16, 1977, effective Jun 16, 1977
The Boeing Company Airplanes
AD 77-10-02 · published Jun 16, 1977, effective Jun 16, 1977
The Boeing Company Airplanes
AD 77-10-03 · published Jun 16, 1977, effective Jun 16, 1977
Lockheed Aircraft Corporation Airplanes
AD 76-20-08 · published Jun 17, 1977, effective Jun 17, 1977
Lockheed Martin Corporation Airplanes
AD 77-12-07 · published Jun 20, 1977, effective Jun 20, 1977
The Boeing Company Airplanes
AD 77-12-08 · published Jun 27, 1977, effective Jun 27, 1977
Cessna Aircraft Company Airplanes
AD 77-13-04 · published Jun 29, 1977, effective Jun 29, 1977
Allied Ag Cat Productions, Inc. Airplanes
AD 77-13-05 · published Jun 29, 1977, effective Jun 29, 1977
Bombardier Inc. Airplanes
AD 77-11-02 · published Jun 14, 1977, effective Jun 14, 1977
Airbus Helicopters Deutschland GmbH Helicopters
AD 77-07-05 · published Jun 20, 1977, effective Jun 20, 1977
Hiller Aviation, Hiller Aircraft Corporation Helicopters
AD 77-07-05 R1 · published Jun 20, 1977, effective Jun 20, 1977
Hiller Aviation, Hiller Aircraft Corporation Helicopters
AD 76-24-01 · published Jun 22, 1977, effective Jun 22, 1977
Pratt & Whitney Division Engines
