Hiro H3H1
Hiro Naval Arsenal · Japan · first flew 1932 · bomber
The Hiro H3H1, or Navy Type 90-1 Flying Boat, was a Japanese flying boat bomber built in 1931. It was the first large all-metal aircraft built in Japan.
Recognition (WEFT)
| W — Wings | High-mounted, straight |
|---|---|
| E — Engines | 3 × piston, wing-mounted |
| F — Fuselage | 22.71 m fuselage |
| T — Tail | Conventional |
WEFT is AircraftIQ's four-point recognition method — how it works.
Spot it by:
- Shoulder-mounted cantilever wing
- Three tractor engines mounted over the wing on multi-strut pylons
- Wing floats on vertical N-struts at mid-span
Three licence-built Hispano-Suiza V12 engines sit over the wing. The tailplane is braced to the fuselage on N-struts.
Specifications
- The Hiro H3H1 has a length of 22.71 m (75 ft).
- It has a wingspan of 31.05 m (102 ft).
- Its maximum speed is 228 km/h (142 mph).
- Typical crew: 9.
Figures are for the representative variant described above; marks differ. See how AircraftIQ sources figures.
History
It was Hiro Naval Arsenal's first large all-metal, stressed-skin aircraft and was first flown in the spring of 1932. The hull included some features from the Supermarine Southampton.
Variants
Only one was completed, so there were no variants.
Where you'll see it
It was the first Japanese naval aircraft able to carry a one-tonne bomb load. Testing at Yokohama revealed aerodynamic stability and engine installation problems.
Related aircraft
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