The excellent flight characteristics of the Douglas O-2 family led to the conversion of 40 O-2Ks in 1930 as basic trainers for the US Army. Dual controls were installed and armament was deleted, the modified aircraft then being designated Douglas BT-1. The only O-32 to be built was given dual controls, also in 1930, and became designated BT-2. Thirty O-32As were modified similarly to the O-2Ks; used by US Army and National Guard units for basic training these were redesignated BT-2A. Some 146 BT-2B aircraft were built as such, the first appearing in 1931. Powered by the 336kW Pratt & Whitney R-1340-11 radial, they survived many years in basic training units.
| ENGINE||1 x Pratt & Whitney R-1340-11 radial piston engine, 336kW|
| Take-off weight||1845 kg||4068 lb|
| Empty weight||1324 kg||2919 lb|
| Wingspan||12.19 m||40 ft 0 in|
| Length||9.5 m||31 ft 2 in|
| Height||3.3 m||11 ft 10 in|
| Wing area||33.63 m2||361.99 sq ft|
| Max. speed||216 km/h||134 mph|
| Cruise speed||188 km/h||117 mph|
| Ceiling||5850 m||19200 ft|
| Range||515 km||320 miles|
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