29 Airworthiness Directives: 26 airplane, 2 rotorcraft, 1 appliance.
AD 56-25-04 · published 1956
Lockheed Aircraft Corporation Airplanes
AD 51-27-02 · published Dec 4, 1956
Aero Spacelines, Incorporated Airplanes
AD 52-12-01 · published Dec 4, 1956
Aero Spacelines Incorporated Airplanes
AD 52-15-01 · published Dec 4, 1956
Aero Spacelines, Incorporated, Acro Aeronautical Services Ltd Airplanes
AD 53-05-01 · published Dec 4, 1956
Aero Spacelines, Incorporated, The Boeing Company, Kelowna Flightcraft R & D Ltd., Lockheed Aircraft Corporation Airplanes
AD 54-26-02 · published Dec 4, 1956
Univair Aircraft Corporation Airplanes
AD 55-09-01 · published Dec 4, 1956
Aero Spacelines Incorporated Airplanes
AD 56-01-02 · published Dec 4, 1956
Aero Spacelines, Incorporated Airplanes
AD 56-26-01 · published 1956
Lockheed Aircraft Corporation Airplanes
AD 56-26-04 · published 1956
Vickers-Armstrongs (Aircraft Limited) Airplanes
AD 56-27-01 · published 1956
Kelowna Flightcraft R & D Ltd. Airplanes
AD 54-02-02 · published Dec 4, 1956
Cessna Aircraft Company, Univair Aircraft Corporation, Piper Aircraft Inc. Appliances
