Individually Owned: 150,657
Corporate Owned: 137,281
Rolls-Royc Viper Mk521 Aircraft Engine
| Manufacturer Name | Rolls-Royc |
| Model Name | Viper Mk521 |
| Aircraft Engine Type | Turbo-Jet |
| Horsepower or Pounds of Thrust (For Reciprocating Engines) |
310 hp |
| Thrust | n/a |
| Number of aircraft regsitrations with this engine type | 0 |