Individually Owned: 150,657
Corporate Owned: 137,281
Rolls-Royc Spey Mk 511Sr Aircraft Engine
| Manufacturer Name | Rolls-Royc |
| Model Name | Spey Mk 511Sr |
| Aircraft Engine Type | Turbo-Jet |
| Horsepower or Pounds of Thrust (For Reciprocating Engines) |
1,140 hp |
| Thrust | n/a |
| Number of aircraft regsitrations with this engine type | 60 |