what is it?
The Kugisho B3Y, or Navy Type 92 Carrier Attack Bomber, also popularly titled Yokosuka B3Y, was a Japanese carrier-based torpedo bomber of the 1930s. It was designed by the Naval Air Technical Arsenal at Yokosuka, and while unimpressive during testing, it was ordered into service by the Imperial Japanese Navy and used until replaced by more capable aircraft.
How to recognise it: 1 piston engine with propeller · 13.5 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 94 years ago, in 1932.
- Top speed is 1.7× a car on the Dutch motorway (130 km/h).
- Wingspan of 13.5 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
- 1932
- introduced
- 1933
- retired
- 1940
- status
- retired
- number built
- 129
- role
- torpedo bomber
- makers
- Yokosuka Naval Air Technical Arsenal
- engines
- 1× Hiro Type 91
- crew
- 3
- length
- 9.5 m
- wingspan
- 13.5 m
- height
- 3.7 m
- max take-off weight
- 3,200 kg
- top speed
- 219 km/h
- range
- —
Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.
Sources: Wikidata Q3545250, Wikipedia: Kugisho B3Y (CC BY-SA 4.0).Updated 2026-10-24.