Keystone Aircraft

Keystone B-3 0 Keystone B-5 0 Keystone B-6 0 read more ... Keystone-Loening Commuter 1927 Keystone XB-1 Super Cyclops 1928 The first plane in the new basic "B" category for bombardment type aircraft was originally designed by ... read more ... On 8 March 1927 Huff-Daland Airplanes Inc became the Keystone Aircraft Corporation. Keystone bombers formed ... read more ... Keystone B-4 1932