8 Airworthiness Directives: 5 airplane, 2 rotorcraft, 1 appliance.
AD 70-10-03 · published May 12, 1970, effective May 12, 1970
Kelowna Flightcraft R & D Ltd. Airplanes
AD 70-08-04 · published May 14, 1970, effective May 14, 1970
Vickers-Armstrongs (Aircraft Limited) Airplanes
AD 70-10-05 · published May 16, 1970, effective May 16, 1970
The Boeing Company Airplanes
AD 68-03-01 · published May 27, 1970, effective May 27, 1970
Maryland Air Industries, Inc. Airplanes
AD 70-07-03 · published May 1, 1970, effective May 1, 1970
Bell Helicopter Textron Canada Limited Helicopters
AD 70-09-03 · published May 8, 1970, effective May 8, 1970
Sikorsky Aircraft Corporation Helicopters
AD 70-10-04 · published May 16, 1970, effective May 16, 1970
The Boeing Company, Sprague Engineering Appliances
