Hiro H1H
| H1H | |
|---|---|
| Late production H1H1 on a launching trolly. | |
| Role | Patrol flying boat |
| National origin | Japan |
| Manufacturer | Hiro Naval Arsenal |
| First flight | 1925 |
| Retired | 1938 |
| Primary user | IJN Air Service |
| Produced | 1927–1934 |
| 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.