what is it?
The Nakajima J5N Tenrai (天雷, heaven thunder) was an abandoned Japanese prototype fighter aircraft of the World War II era. J5N was developed as twin-engine interceptor for countering attacks by Boeing B-29 Superfortress.
How to recognise it: 2 piston engines with propellers · 14.4 m wingspan
base stats
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 82 years ago, in 1944.
- Top speed is 4.6× a car on the Dutch motorway (130 km/h).
- Wingspan of 14.4 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
- 1944
- number built
- 6
- role
- interceptor
- origin
- 🇯🇵 Japan
- makers
- Nakajima
- engines
- 2× Nakajima Homare 21
- crew
- 1
- length
- 11.5 m
- wingspan
- 14.4 m
- height
- 2.4 m
- max take-off weight
- 7,300 kg
- top speed
- 596 km/h
- range
- —
Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.
Sources: Wikidata Q1963938, Wikipedia: Nakajima J5N Tenrai (CC BY-SA 4.0).Updated 2026-10-24.