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#1222

Kokusai Ki-59

first flew 1941· light transport monoplane

Kokusai Ki-59, photo 1 of 2
1/2 Imperial Japanese Army· Public domain

what is it?

The Kokusai Ki-59 (一式輸送機, Isshiki-yusōki) was an early 1940s light transport monoplane built by Nippon Kokusai Koku Kogyo K.K for the Imperial Japanese Army as a development of the Teradako-ken TK-3, which had first flown in 1938.

How to recognise it: 2 engines · shoulder wing · 17 m wingspan

base stats

  • speed 300 km/hcruise speed
  • range 800 kmwithout refuelling
  • size 4,120 kgmax take-off weight
  • built 59made 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 85 years ago, in 1941.
  • Wingspan of 17 m: about 4 cars parked nose to tail.

spec sheet

first flight
1941
introduced
1941
number built
59
role
light transport monoplane
makers
Nippon Kokusai Koku Kogyo
engines
2× Hitachi Ha-13a radial engine
crew
3
length
12.5 m
wingspan
17 m
height
3.1 m
max take-off weight
4,120 kg
top speed
—
cruise speed
300 km/h
range
800 km
wings
shoulder wing

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

Sources: Wikidata Q543015, Wikipedia: Kokusai Ki-59 (CC BY-SA 4.0).Updated 2026-10-24.

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