Improved VIP version powered by Bristol Siddeley Gnome engine, 2 built for UK Royal Flight. 
List of Operators of Whirlwind HCC.12 |
| Years | Model | Org | |
|---|---|---|---|
| 1955/81 | Whirlwind |  Royal Air Force |
Global Distribution of Whirlwind HCC.12 |
|
Construction Numbers |
| C/N | Year | History | ||
|---|---|---|---|---|
| wa418 | 1964 | G-RWWW,XR486 | ||
| wa419 w/o 1967 | 1964 | XR487 | ||
