|Role||Triplane torpedo bomber|
|Primary user||Imperial Japanese Navy Air Service|
The Mitsubishi 1MT was a Japanese single-seat triplane torpedo bomber built by Mitsubishi for the Imperial Japanese Navy Air Service. Designed by the former Sopwith designer Herbert Smith it was intended for use aboard the Japanese aircraft carrier Hōshō.
The 1MT1N flew for the first time in August 1922 and it entered service as the Navy Type 10 Torpedo Bomber or Carrier Attacker[clarification needed]. 20 aircraft were built, but the aircraft was difficult to fly and unable to operate from an aircraft carrier when carrying a torpedo. The type was soon withdrawn and scrapped.
Data from Japanese Aircraft 1910-1941 
- Crew: 1
- Length: 9.78 m (32 ft 1 in)
- Wingspan: 13.26 m (43 ft 6 in)
- Height: 4.46 m (14 ft 7½ in)
- Wing area: 43 m2 (463 ft2)
- Empty weight: 1,370 kg (3,020 lb)
- Gross weight: 2,500 kg (5,511 lb)
- Powerplant: 1 × Napier Lion, 336 kW (450 hp)
- Maximum speed: 209 km/h (130 mph)
- Service ceiling: 6,000 m (19,680 ft)
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- Orbis 1985, page 2514
- Mikesh and Abe 1990, p.163.