Hiro H1H crash, Jul 5, 1928 (3 killed), Yokosuka Kantō
Hiro H1H accident on July 5, 1928 near Yokosuka Kantō, Japan with 3 fatalities.
- Date: July 5, 1928
- Aircraft: Hiro H1H
- Location: Yokosuka Kantō, Japan
- Fatalities: 3
- Phase of flight: En route
A Japanese Navy flying boat crashed into the sea off Yokosuka. Four of the seven crew were rescued and three were killed.