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.

Designed and produced: Prototypes and experimental aircraft: Aircraft designed by other manufacturers produced at Hiro:

Hiro H1H Biplane Flying Boat