Hiro H1H

H1H
Role Patrol flying boat
National origin Japan
Manufacturer Hiro Naval Arsenal
First flight 1920s
Introduction 1920s
Retired 1938
Primary user IJN Air Service
Number built 65
Developed from Felixstowe F.5

The Hiro H1H (or Navy Type 15) was a 1920s Japanese bomber or reconnaissance biplane flying boat developed from the Felixstowe F.5 by the Hiro Naval Arsenal for the Imperial Japanese Navy. The aircraft were built by Hiro, the Yokosuka Naval Arsenal and Aichi.[1]

Design and development

Following licensed production of the Felixstowe F.5 for the Imperial Japanese Navy the company developed an improved version known as the H1H or Navy Type 15. The aircraft was built with three different engine types fitted, the Navy Type 15-I had longer span upper wings and the Navy Type 15-II had four-bladed propellers. Both the H4H1 and H4H2 remained in frontline naval service through the 1930s.[1]

Variants

H1H1
Variant powered by two 450hp (336kW) Lorraine W-12 engines.
H1H2
Variant powered by either two 450hp (336kW) Lorraine W-12 or two 500hp (373kW) BMW VII engines.
H1H3
Variant powered by two 450hp (336kW) Lorraine W-12 engines.

Operators

 Japan

Specifications (H1H1)

Data from Illustrated Encyclopedia of Aircraft[1]

General characteristics

Performance

Armament

See also

Related development


Related lists

References

Wikimedia Commons has media related to Hiro H1H.

Notes

  1. 1.0 1.1 1.2 Orbis 1985, p 2173

Bibliography

  • Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.