Individually Owned: 150,657
Corporate Owned: 137,281
Brist Sid Mark 521 Aircraft Engine
| Manufacturer Name | Brist Sid |
| Model Name | Mark 521 |
| Aircraft Engine Type | Turbo-Jet |
| Horsepower or Pounds of Thrust (For Reciprocating Engines) |
312 hp |
| Thrust | n/a |
| Number of aircraft regsitrations with this engine type | 0 |