10 Airworthiness Directives: 8 airplane, 2 rotorcraft.
AD 80-07-09 · published May 1, 1980, effective May 1, 1980
Learjet Inc. Airplanes
AD 80-08-03 · published May 5, 1980, effective May 5, 1980
Kelowna Flightcraft R & D Ltd. Airplanes
AD 80-09-05 · published May 6, 1980, effective May 6, 1980
The Boeing Company Airplanes
AD 80-09-09 · published May 12, 1980, effective May 12, 1980
Cessna Aircraft Company Airplanes
AD 79-03-02 · published May 27, 1980, effective May 28, 1980
Piper Aircraft Inc. Airplanes
AD 80-11-06 · published May 28, 1980, effective May 28, 1980
Piper Aircraft, Inc. Airplanes
AD 80-03-05 R1 · published May 29, 1980, effective May 29, 1980
Sabreliner Corporation Airplanes
AD 80-10-02 · published May 1, 1980, effective May 1, 1980
Airbus Helicopters Deutschland GmbH Helicopters
AD 80-11-08 · published May 28, 1980, effective May 28, 1980
Columbia Helicopters, Inc. Helicopters
