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...

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...

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...

Alaska. Data from American airplanes: Keystone General characteristics Crew: 1 Capacity: 3 passengers / 1,223 lb (555 kg) Length: 32 ft 5 in (9.88 m) Wingspan:...

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...

Keystone B-3 Keystone B-4 Keystone B-5 Keystone B-6 Keystone LB-1 Keystone LB-3 Keystone LB-5 Keystone LB-6 Keystone LB-7 Keystone LB-8 Keystone LB-9...

The Keystone K-47 Pathfinder was an airliner developed in the United States in the late 1920s, built only in prototype form. The Pathfinder was an attempt...

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...

1922-1929 Curtiss JN-6, 1922-1929 Dayton-Wright DH-4, 1922-1929 Keystone B-4, 1929-1937 Keystone B-5, 1929-1937 Keystone LB-6, 1929-1937 Martin B-12...

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)...

Huff-Daland Division of the Keystone Aircraft Corporation. A single example of the Huff-Daland XB-1 bomber became the Keystone XB-1B, after its original...

was uneventful and the other patrol targeted a truck convoy in Metz with 20 lb bombs hand-dropped from their S.E. 5a aircraft. The unit returned to the United...

(service test) Keystone XLB-5, 1927 (service test) Keystone LB-5, 1927–1929 Keystone LB-6, 1929–Unknown Keystone LB-7, 1929–Unknown Keystone B-3, 1931–Unknown...

variants of the PN were built for the United States Navy by Douglas, Keystone and Martin. The PN flying boats were twin-engine biplanes with their engines...

configuration, and era Fokker XLB-2 Huff-Daland XB-1 Huff-Daland XHB-1 Keystone LB-7 Sikorsky S-37 Related lists List of military aircraft of the United...

60 ft 6 in (20.27 m) Height: 14 ft 11 in (4.55 m) Wing area: 1,137 sq ft (105.7 m2) Empty weight: 6,237 lb (2,876 kg) Gross weight: 12,415 lb (5,631 kg)...

899 lb/sq ft (28.80 kg/m2) Power/mass: 0.072 hp/lb (120 W/kg) Armament Guns: 6 × .30 in (7.62 mm) Lewis machine guns Bombs: 2,500 lb (1,100 kg); 4,000 lb...

observation aircraft was much greater than the Keystone biplanes (the Keystone B-3, B-4, B-5 and B-6) that equipped the Air Corps light bomber squadrons...

The Loening C-4C, later the Keystone-Loening K-85 Air Yacht following the merger of the Loening and Keystone companies, was an amphibious utility biplane...

has held since 2025.[citation needed] He was the head football coach for Keystone College from 2018 to 2024. Higgins was head football coach at Richfield...

The Keystone XLB-3 (originally built under the Huff-Daland name) was a prototype bomber biplane developed in the United States in the late 1920s. It was...

The Keystone XOK was an American biplane observation floatplane developed for the United States Navy during the early 1930s. In 1929, the Navy issued requirements...

division of Keystone Aircraft Corporation. Versions of the AT-1 were built for the United States Navy as training and observation aircraft. TA-6 (Trainer...

The Keystone K-55 Pronto was a mail plane developed in the United States in the late 1920s. The Pronto was a conventional single-bay, unequal-span biplane...

6–13. Murdoch, JD; Munkhzul, T; Buyandelger, S; Reading, RP; Sillero-Zubiri, C (2009). "The Endangered Siberian marmot Marmota sibirica as a keystone...

Army and the Navy. During later production, the company merged with the Keystone Aircraft Corporation. XCOA-1 Four prototypes powered by 400-hp V-1650-1...