17 Airworthiness Directives: 11 airplane, 5 rotorcraft, 1 propeller.
AD 77-09-02 · published May 9, 1977, effective May 9, 1977
Cessna Aircraft Company Airplanes
AD 77-09-04 · published May 9, 1977, effective May 9, 1977
Bombardier Inc. Airplanes
AD 77-09-05 · published May 9, 1977, effective May 9, 1977
Bombardier Inc. Airplanes
AD 77-09-06 · published May 9, 1977, effective May 9, 1977
Bombardier Inc. Airplanes
AD 77-09-10 · published May 9, 1977, effective May 12, 1977
Piper Aircraft Inc. Airplanes
AD 77-10-09 · published May 16, 1977, effective May 17, 1977
Piper Aircraft Inc. Airplanes
AD 77-10-10 · published May 23, 1977, effective May 23, 1977
Sabreliner Corporation Airplanes
AD 77-08-04 · published May 26, 1977, effective May 26, 1977
Textron Aviation Inc. Airplanes
AD 77-10-11 · published May 26, 1977, effective May 26, 1977
Kelowna Flightcraft R & D Ltd. Airplanes
AD 77-10-12 · published May 26, 1977, effective May 26, 1977
The Boeing Company Airplanes
AD 77-10-14 · published May 26, 1977, effective May 26, 1977
Bombardier Inc. Airplanes
AD 77-09-01 · published May 3, 1977, effective May 3, 1977
MD Helicopters, Inc. Helicopters
AD 77-08-07 · published May 6, 1977, effective May 6, 1977
Airbus Helicopters Deutschland GmbH Helicopters
AD 77-10-06 · published May 13, 1977, effective May 13, 1977
Bell Helicopter Textron Canada Limited Helicopters
AD 77-10-07 · published May 18, 1977, effective May 18, 1977
Bell Helicopter Textron, Inc. Helicopters
AD 75-13-01 · published May 20, 1977, effective May 20, 1977
Sikorsky Aircraft Corporation Helicopters
AD 77-09-07 · published May 19, 1977, effective May 19, 1977
Dowty Propellers Propellers
