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...

B-3 was originally ordered as the LB-10A (a single-tail modification of the Keystone LB-6), but the Army dropped the LB- 'light bomber' designation in 1930...

The Keystone B-6 was a biplane bomber developed by the Keystone Aircraft company for the United States Army Air Corps. In 1931, the United States Army...

The Keystone LB-5 (originally ordered under the Huff-Daland name) was a bomber aircraft produced in the United States in the late 1920s. Its manufacturer...

Keystone Aircraft Corporation was an early American airplane manufacturer. Headquartered in Bristol, Pennsylvania, the company was formed as "Ogdensburg...

Bombs: 2,500 lb (1,100 kg); 4,000 lb (1,800 kg) on short runs Related development Keystone B-3 Keystone B-5 Keystone B-6 Related lists List of bomber aircraft...

Bombs: 2,500 lb (1,100 kg); 4,000 lb (1,800 kg) on short runs Related development Keystone B-3 Keystone B-4 Keystone B-6 Related lists List of bomber aircraft...

LB-1 – Huff-Daland (later Keystone) LB-2 – Atlantic/Fokker LB-3 – Keystone LB-4 – Martin (not built) LB-5 – Keystone LB-6 – Keystone LB-7 – Keystone LB-8...

Huff-Daland LB-1 light bomber Keystone B-3 bomber Keystone B-4 bomber Keystone B-5 bomber Keystone B-6 bomber Keystone LB-5 light bomber Keystone LB-6/LB-7 light...

bombers were canvas-and-wood variants of the radial engined Keystone LB-6 (60 LB-5A, LB-6 and LB-7 bombers) and B-3A (127 B-3A, B-4A, B-5, and B-6A bombers)...