8 Airworthiness Directives.
AD 78-03-02 · published Feb 3, 1978, effective Feb 3, 1978
Gulfstream Aerospace Corporation Airplanes
AD 78-02-04 · published Feb 6, 1978, effective Feb 6, 1978
Textron Aviation Inc. Airplanes
AD 78-01-05 · published Feb 9, 1978, effective Feb 9, 1978
Viking Air Limited Airplanes
AD 78-01-11 · published Feb 13, 1978, effective Feb 13, 1978
The Boeing Company Airplanes
AD 78-01-16 · published Feb 13, 1978, effective Feb 13, 1978
McDonnell Douglas Corporation Airplanes
AD 78-04-01 · published Feb 20, 1978, effective Feb 20, 1978
Textron Aviation Inc. Airplanes
AD 78-04-03 · published Feb 21, 1978, effective Feb 21, 1978
The Boeing Company Airplanes
AD 78-03-05 · published Feb 23, 1978, effective Feb 23, 1978
Mitsubishi Heavy Industries, Ltd. Airplanes
