The AT-9 advanced trainer was used to bridge the gap between single-engine trainers and twin-engine combat aircraft. The prototype first flew in 1941, and the production version entered service in 1942. The prototype had a fabric-covered steel tube fuselage and fabric-covered wings, but production AT-9s were of stressed metal skin construction. The AT-9 was not easy to fly or land, making it particularly suitable for teaching new pilots to cope with the demanding flight characteristics of a new generation of high-performance, multi-engine aircraft such as the Martin B-26 and Lockheed P-38. Although the AT-9 originally bore the nickname "Fledgling," it was more widely known as the "Jeep." Four hundred ninety-one AT-9s and 300 AT-9As were built before production ended in February 1943.
The aircraft on display was not complete when the museum acquired it. Some of the parts used to restore it were taken from another incomplete AT-9, while other parts had to be built from "scratch" by museum restoration specialists.
Armament: None Engines: Two Lycoming R-680-9s of 295 hp ea. Maximum speed: 197 mph Cruising speed: 173 mph Range: 750 miles Ceiling: 19,000 ft. Span: 40 ft. 4 in. Length: 31 ft. 8 in. Height: 9 ft. 10 in. Weight: 6,062 lbs. loaded Serial number: 41-12150
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