Keystone LB-6
1927 BOMBER AIRCRAFT FAMILY BY KEYSTONE
Keystone LB-7; Keystone LB-8; Keystone LB-9; Keystone LB-11; Keystone XLB-12; Keystone LB-12; LB-6; LB-7
The Keystone LB-6 and LB-7 were 1920s American light bombers, built by the Keystone Aircraft company for the United States Army Air Corps, called Panther by the company, but adoption of the name was rejected by the U.S.