4 Airworthiness Directives: 3 airplane, 1 appliance.
AD 61-19-03 · published Sep 8, 1961, effective Sep 8, 1961
Lockheed Aircraft Corporation Airplanes
AD 61-19-01 · published Sep 14, 1961, effective Sep 14, 1961
The Boeing Company Airplanes
AD 61-20-02 · published Sep 20, 1961, effective Oct 20, 1961
Piper Aircraft Inc. Airplanes
AD 61-20-03 · published Sep 20, 1961, effective Oct 20, 1961
Russell Manufacturing Company Appliances