HomeAD libraryBy monthDecember 1958ADs published in December 19586 Airworthiness Directives: 4 airplane, 2 rotorcraft.November 1958January 1959AirplaneAD 58-25-01 · published 1958Kelowna Flightcraft R & D Ltd. AirplanesKelowna Flightcraft R & D Ltd. AirplanesAD 58-25-04 · published 1958Helio Aircraft LLC AirplanesHelio Aircraft LLC AirplanesAD 58-22-03 · published Dec 16, 1958Piper Aircraft Inc. AirplanesPiper Aircraft Inc. AirplanesAD 58-26-03 · published 1958Maryland Air Industries, Inc. AirplanesMaryland Air Industries, Inc. AirplanesRotorcraftAD 58-26-01 · published 1958Scotts-Bell 47 Inc HelicoptersScotts-Bell 47 Inc HelicoptersAD 58-26-02 · published 1958Scotts-Bell 47 Inc HelicoptersScotts-Bell 47 Inc Helicopters
