Individually Owned: 150,657
Corporate Owned: 137,281
Alvis 504/7A Aircraft Engine
| Manufacturer Name | Alvis |
| Model Name | 504/7A |
| Aircraft Engine Type | Reciprocating |
| Horsepower or Pounds of Thrust (For Reciprocating Engines) |
545 hp |
| Thrust | n/a |
| Number of aircraft regsitrations with this engine type | 0 |