Engines: Two general Electric J31's of 2,000 lbs. thrust each. Top Speed: 413 mph. Span: 45 ft. 6 in. Range: 950 mi. Length: 38 ft. 10 in. Ceiling: 43,200 ft. Height: 12 ft. 4 in. The XP-59A, The United States first jet airplane, made its initial flight on 2 October 1942. Because of its limited performance, the P-59 was never used in combat. the P-59B is on exhibit at the Air Force Museum, W-PAFB. Ohio.