14 Airworthiness Directives: 10 airplane, 1 rotorcraft, 3 engine.
AD 76-26-04 · published Jan 6, 1977, effective Jan 6, 1977
British Aerospace Regional Aircraft Airplanes
AD 77-01-01 · published Jan 6, 1977, effective Jan 7, 1977
Piper Aircraft Inc. Airplanes
AD 77-01-03 · published Jan 10, 1977, effective Jan 14, 1977
Piper Aircraft Inc. Airplanes
AD 77-01-05 · published Jan 10, 1977, effective Jan 13, 1977
Piper Aircraft Inc. Airplanes
AD 77-01-08 · published Jan 14, 1977, effective Jan 14, 1977
Commander Aircraft Corporation Airplanes
AD 77-01-06 · published Jan 17, 1977, effective Jan 19, 1977
Piper Aircraft Inc. Airplanes
AD 76-25-05 · published Jan 24, 1977, effective Jan 24, 1977
Textron Aviation Inc. Airplanes
AD 76-04-01 · published Jan 27, 1977, effective Jan 27, 1977
Cessna Aircraft Company Airplanes
AD 77-02-06 · published Jan 27, 1977, effective Jan 28, 1977
Piper Aircraft Inc. Airplanes
AD 76-26-05 · published Jan 6, 1977, effective Jan 6, 1977
Airbus Helicopters Deutschland GmbH Helicopters
AD 76-26-01 · published Jan 3, 1977, effective Jan 3, 1977
Rolls-Royce plc Engines
AD 73-23-01 · published Jan 13, 1977, effective Jan 13, 1977
Lycoming Engines, Textron Lycoming, AVCO Corporation Engines
