| H4H | |
|---|---|
| |
| Role | Patrol flying boat
Type of aircraft
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| National origin | Japan |
| Manufacturer | Hiro Naval Arsenal |
| First flight | 1931 |
| Introduction | 1933 |
| Primary user | IJN Air Service |
| Number built | 47 |
The Hiro H4H (orHiro Navy Type 91 Flying Boat) was a 1930s Japanese bomber or reconnaissance monoplane flying boat designed and built by the Hiro Naval Arsenal for the Imperial Japanese Navy.
First appearing in 1931 the H4H1 was a twin-engined high-wing monoplane flying-boat. Powered by two 500 hp (597 kW) Hiro 91-1 engines strut-mounted above the wing, it was produced by the Kawanishi company, and entered service in 1933.[1]
An improved version of the design, the H4H2, followed into production two years later. The H4H2 has re-designed twin fins and rudders and was powered by two 800 hp (597 kW) Myojo radial engines. A total of 47 of both versions was produced.[1]
Both the H4H1 and H4H2 remained in front-line naval service through the 1930s.
JapanData from [1]
General characteristics
Performance
Armament
Related lists
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| Aircraft designed and produced by Hiro |
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| Prototypes and experimental aircraft |
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| Aircraft designed by others produced at Hiro |
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| Engines designed and produced by Hiro |
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| Fighters (A) |
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| Torpedo bombers (B) |
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| Shipboard reconnaissance (C) |
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| Dive bombers (D) |
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| Reconnaissance seaplanes (E) |
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| Observation seaplanes (F) |
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| Land-based bombers (G) |
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| Flying Boats (H) |
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| Land-based Fighters (J) |
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| Trainers (K) |
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| Transports (L) |
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| Special-purpose (M)1 |
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| Floatplane fighters (N) |
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| Land-based bombers (P) |
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| Patrol (Q) |
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| Land-based reconnaissance (R) |
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| Night fighters (S) |
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1 X as second letter is for experimental aircraft or imported technology demonstrators not intended for service, 2 Hyphenated trailing letter (-J, -K, -L, -N or -S) denotes design modified for secondary role, 3 Possibly incorrect designation, but used in many sources | |
