Hiro Naval Arsenal
# Hiro Naval Arsenal

The Hiro Naval Arsenal (Hiro Kaigun Kōshō or Dai-Jūichi Kaigun Kōkū-shō (11th Naval Arsenal), often abbreviated as Hiroshō) at Kure (呉), Hiroshima prefecture, was a production facility for seaplanes, flying boats, and aero engines for the Imperial Japanese Navy before and during World War II. It was largely destroyed in a raid by B-29 Superfortresses on 5 May 1945.

## Aircraft

Designed and produced:

* Hiro G2H - long-range bomber
* Hiro H1H - biplane flying boat developed from the Felixstowe F.5
* Hiro H2H - biplane flying boat developed from the Supermarine Southampton II
* Hiro H4H - flying boat

Prototypes and experimental aircraft:

* Hiro R-3 - flying boat, 1 example built
* Hiro H3H1 - flying boat, 1 example built
* Hiro H10H - project only, never completed

Aircraft designed by other manufacturers produced at Hiro:

* Yokosuka B3Y
* Nakajima B5N "Kate"
* Aichi E13A "Jake"
* Yokosuka D4Y "Judy"

## Engines

* Hiro Type 14
* Hiro Type 61
* Hiro Type 91
* Hiro Type 94
