Individually Owned: 150,657
Corporate Owned: 137,281
Derwent Mk-9 Aircraft Engine
| Manufacturer Name | Derwent |
| Model Name | Mk-9 |
| Aircraft Engine Type | Turbo-Jet |
| Horsepower or Pounds of Thrust (For Reciprocating Engines) |
750 hp |
| Thrust | n/a |
| Number of aircraft regsitrations with this engine type | 1 |