Derived from 114
1978 · Twin-engine turbine helicopter
Derivatives & Versions
| 234ER | 1978 | One built for Atlantic Richfield (ARCO), Alaska for oil platform support. |
| 234LR | 1980 | Six built for British Airways Helicopters (BAH) and two built for Helikopter Services, AS of Norway. |
| 234UT | 1982 | Columbia Helicopters Intl conversion of nine 234ER/LR airframes to utility configuration. |
| 234MLR | 1984 | Three built for Taiwan Army (ostensibly to assuage PRC sensibilities about selling a military Chinook to Taiwan). |
| 234Combi | 1996 | Boeing designed Combi passenger/freight version of 234. |
Operators
| 1984- | Columbia Helicopters |