9 Airworthiness Directives: 6 airplane, 3 rotorcraft.
AD 88-25-10 · published Jan 5, 1989, effective Jan 5, 1989
Embraer S.A. Airplanes
AD 88-25-11 · published Jan 5, 1989, effective Jan 5, 1989
Mooney Aviation Company Inc Airplanes
AD 89-01-03 · published Jan 19, 1989, effective Jan 19, 1989
The Boeing Company Airplanes
AD 88-24-51 · published Jan 27, 1989, effective Jan 27, 1989
Bombardier Inc. Airplanes
AD 88-21-01 R1 · published Jan 28, 1989, effective Jan 28, 1989
Mitsubishi Heavy Industries, Ltd. Airplanes
AD 87-23-07 R1 · published Jan 11, 1989, effective Jan 11, 1989
Sikorsky Aircraft Corporation Helicopters
AD 88-26-03 · published Jan 18, 1989, effective Jan 18, 1989
Bell Helicopter Textron Canada Limited Helicopters
AD 89-01-01 · published Jan 28, 1989, effective Jan 28, 1989
Airbus Helicopters Helicopters
