Developed from the three-seat Bell 47G-3B, the KH-4 is a four-seat general purpose helicopter powered by a 201kW Lycoming TVO-435-B1A air-cooled engine. First flight Summer 1960. Apart from changes to cabin to accommodate extra passenger, and new supercharged engine, the KH-4 had a new instrument layout, modified control system and larger fuel capacity. A total of 338 were built for civil and military customers between 1960 and 1975. 
List of Operators of Kawasaki KH-4 | |
| From | Organisation with model KH-4 | |||||
| Construction Numbers on database of KH-4 or its versions | ||||||
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Construction Numbers | Help Us | |
| C/N | Built as | Year | History | |
| 2010 | 1963 |  JA7367,VH-KIU | ||
| 2015 |  JA7375 | |||
| 2065 | JA7457 | |||
| 2101 | JA7458 | |||
 | 2192 | 1971 |  1115,VH-JWB |