The USAAC first ordered this type of aircraft in 1940 under the designation C-45, for use as a staff transport. These aircraft were re-designated UC-45s in 1943. Other variants included the AT-7 Navigator, introduced in 1941 for navigator training. This had a dorsal astrodome and positions for three trainees. Some 577 of these were built. 1941 also saw the introduction of the AT-11 Kansan, which was a bombing/gunnery trainer. Production of the AT-11 totaled 1,582, and included 36 examples completed as the AT-11A navigation trainer. Another Model 18 variant was the F-2 photo-reconnaissance model, of which 69 examples were acquired. The U.S. Navy and Marine Corps also procurred the Model 18, with a total of over 1,500 examples. The JRB-1 was the equivalent of the F-2, the JRB-2 was a transport, and the JRB-3 and -4 were the equivalent of the UC-45. The SNB-1, -2, & -3 were the equivalents of the AT-11, -7, and -7C, respectively. The F-2 was yet another variant of the Model 18 that was built to carry two to four aerial cameras and used for reconnaissance and aerial mapping. Only about 70 of the F-2 models were built. Other variants of the Model 18 included an air ambulance and a electronics countermeasure trainer.
USAF archives on this aircraft, click here.
Additional information on this aircraft can be found at Wikipedia here.
(updated February 2009)
Beechcraft UC-45 Expeditor
Type: navigation and bombing trainer Crew: ?, plus 3 trainees Armament: none Specifications: Length: 34' 2" (10.41 m) Height: 9' 8" (2.95 m) Wingspan: 47' 8" (14.53 m) Wing area: 349 sq. ft (32.42 sq. m) Empty Weight: 6175 lb (2801 kg) Max Weight: 8727 lb (3959 kg) max at takeoff Propulsion: No. of Engines: 2 Powerplant: Pratt & Whitney R-985-AN-1 radial Horsepower: 450 hp Performance: Range: 850 miles (1368 km) Cruise Speed: (not listed) Max Speed: 215 mph ( 346 km/h) Ceiling: 20000 ft (6095 m)
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