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...
5 KB (359 words) - 19:26, 20 January 2022
The Keystone–Loening K-84 Commuter was a single-engine closed-cabin 4-place biplane amphibious flying boat built by Keystone–Loening. It was powered by...
8 KB (341 words) - 16:55, 17 March 2023
Keystone B-5 is a light bomber made by the Keystone Aircraft company for the United States Army Air Corps in the early 1930s. The B-5A was a Keystone...
4 KB (401 words) - 22:34, 13 December 2020
Keystone Aircraft Corporation was an early American airplane manufacturer. Headquartered in Bristol, Pennsylvania, the company was formed as "Ogdensburg...
8 KB (526 words) - 18:09, 29 March 2024
VIII Ford 4-AT-E Trimotor Interstate XTD3R Ireland N-2B Neptune Keystone XOK Keystone-Loening K-84 Commuter Koolhoven F.K.56 Lockheed Model 12B Electra...
21 KB (2,251 words) - 03:04, 10 August 2024
The Keystone B-3A was a bomber aircraft developed for the United States Army Air Corps by Keystone Aircraft in the late 1920s. The B-3 was originally ordered...
10 KB (762 words) - 18:37, 29 March 2024
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...
6 KB (757 words) - 07:09, 17 March 2023
The Keystone B-4 was a biplane bomber, built by the Keystone Aircraft company for the United States Army Air Corps. Originally ordered by the United States...
8 KB (499 words) - 07:45, 30 November 2023
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...
10 KB (1,296 words) - 21:48, 24 January 2024
Prototypes were ordered from Keystone-Loening (then a subsidiary of Curtiss-Wright), Berliner-Joyce and Vought, and designated as the XOK-1, XOJ-1 and XO4U-1 respectively...
8 KB (760 words) - 19:20, 20 January 2022