13 Airworthiness Directives: 8 airplane, 3 rotorcraft, 1 engine, 1 appliance.
AD 75-24-09 · published Sep 12, 1977, effective Sep 12, 1977
The Boeing Company Airplanes
AD 77-18-04 · published Sep 12, 1977, effective Sep 12, 1977
Textron Aviation Inc. Airplanes
AD 77-18-05 · published Sep 12, 1977, effective Sep 12, 1977
M7 Aerospace LLC Airplanes
AD 74-23-06 · published Sep 15, 1977, effective Sep 15, 1977
The Boeing Company Airplanes
AD 77-18-07 · published Sep 15, 1977, effective Sep 15, 1977
Lockheed Martin Corporation Airplanes
AD 77-19-05 · published Sep 22, 1977, effective Sep 22, 1977
Allied Ag Cat Productions, Inc. Airplanes
AD 77-19-06 · published Sep 22, 1977, effective Sep 27, 1977
Piper Aircraft Inc. Airplanes
AD 77-19-07 · published Sep 29, 1977, effective Sep 29, 1977
Textron Aviation Inc. Airplanes
AD 77-16-07 · published Sep 6, 1977, effective Sep 6, 1977
Airbus Helicopters Deutschland GmbH Helicopters
AD 77-20-01 · published 1977
Erickson Air-Crane Company Helicopters
AD 77-19-03 · published Sep 27, 1977, effective Sep 27, 1977
MD Helicopters, Inc. Helicopters
AD 77-15-12 · published Sep 23, 1977, effective Sep 23, 1977
Rolls-Royce Corporation Engines
AD 77-16-10 · published Sep 8, 1977, effective Sep 8, 1977
Mitchell Industries, Inc. Appliances
