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#0340

Mitsubishi 1MT

🇯🇵 Japan ·first flew 1922· triplane torpedo bomber

Mitsubishi 1MT, photo 1 of 1
1/1 撮影者不明· Public domain

what is it?

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.

How to recognise it: 1 piston engine with propeller · 13.3 m wingspan

base stats

  • speed 209 km/htop speed
  • size 2,500 kgmax take-off weight
  • built 20made in total

Bars compare against all aircraft: 3,500 km/h, 20,000 km, 850 seats; size and number built on a log scale up to 640 t (An-225) and 45,000 built (Cessna 172).

fun facts

  • First flew 104 years ago, in 1922.
  • Top speed is 1.6× a car on the Dutch motorway (130 km/h).
  • Wingspan of 13.3 m: about 3 cars parked nose to tail.

piston: A car-like piston engine turning a propeller: simple and cheap, the classic small plane.

spec sheet

first flight
1922
introduced
1923
retired
1930
status
retired
number built
20
role
triplane torpedo bomber
origin
🇯🇵 Japan
makers
Mitsubishi
engines
1× Napier Lion
crew
1
length
9.8 m
wingspan
13.3 m
height
4.5 m
max take-off weight
2,500 kg
top speed
209 km/h
range
—
ceiling
6,000 m

Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.

Sources: Wikidata Q1994755, Wikipedia: Mitsubishi 1MT (CC BY-SA 4.0).Updated 2026-10-24.

stan runge ef9524a source