North American B-25 Mitchell variant
North American B-25 Mitchell AT-24/TB-25
Unarmed advanced twin-engine trainer conversions, redesignated TB-25 in 1944.
North American B-25 Mitchell sheet
Image pending
History
The AT-24 conversions (sub-designated A/B/C/D by their parent B-25 model) stripped combat equipment and armament for advanced twin-engine pilot and navigator training. In 1944 the USAAF changed its trainer designation prefix from 'AT' to 'TB', and these conversions were redesignated TB-25.