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Beech AT-7 Navigator

Beech AT-7 Navigator, a navigation trainer based on the Beech 18 seating three trainees equipped with chart tables, aperiodic compasses and stabilised drift signals. Dimensions 47.8/ 34.2/ 9.8/ 349 sq ft; two 450hp Pratt & Whitney R-985; max speed 215mph; service ceiling 20,000ft; normal range 850 miles.
Variants and production figures: 57 AT-7, 6 AT-7A with floats and ventral fin

North American AT-6 Texan

North American AT-6 Texan, a basic combat trainer variant of the NA-18/ BT-9 with 600hp R-1340 Wasp radial, armament and improved instruments and the addition of retractable undercarriage. Dimensions 42/ 29.6/ 11.9/ 253.7 sq ft; 600hp Pratt & Whitney R-1340 Wasp; max speed 205mph; cruising speed 170mph; service ceiling 21,500ft; range 750 miles.
Variants and production figures:
180 BC-1 armed with two .30in MGs (one fixed, one dorsal)
94 AT-6 with R-1340-45 engines and three-blade propellers
517 AT-6A with centre-section integral tank removed and replaced by removable tanks
40 AT-6B gunnery trainers with two .30in MGs (one fixed, one dorsal)

Atlantic AT-9 Virgina

Atlantic AT-9 Virginia, a two-seat low-wing monoplane trainer with enclosed cockpit and retractable undercarriage first flown in 1934 and produced for the Netherlands, Kongo and the USAAF. Dimensions 42.6/ 29/ 380 sq ft; 600hp Pratt & Whitney R-1340 radial; max speed 210mph; service ceiling 23,200ft; rate of climb 1,331ft/min; range 650 miles; armament one synchronised .30in Browning MGs another mounted dorsally can also be fitted.
Variants and production figures: 150 AT-9, 40 AT-9A with dorsal MG fitted

Beech AT-10 Wichita

Beech AT-10 Wichita, a twin-engined two-seat advanced trainer of all-wooden construction with a single fin. Dimensions 44/ 34.4/ 298 sq ft; two 280hp Lycoming R-680-9; max speed 198mph; service ceiling 16,900ft; normal range 770 miles at 177mph.
Variants and production figures: 20 AT-10 (total of 600 on order)

Fairchild AT-21 Gunner

Fairchild AT-21 Gunner, a twin-engined purpose-built gunnery trainer for the USAAF. Developed via the XAT-13 and XAT-14 prototypes the AT-21 has a nose gun and a modern powered dorsal turret for training gunnery students. The aircraft is a conventional twin-engined type with twin fins. Dimensions 52.8/ 38/ 13.1/ 378 sq ft; two 520hp Ranger V-770-5; max speed 225mph; cruising speed 196mph; service ceiling 22,150ft; range 910 miles ; armament one nose and two dorsal .30in Browning MGs.
Variants and production figures: 1 XAT-13 prototype, 1 XAT-14 prototype, 175 AT-21