Individually Owned: 150,657
Corporate Owned: 137,281
Keikhafer Mk55 Aircraft Engine
| Manufacturer Name | Keikhafer |
| Model Name | Mk55 |
| Aircraft Engine Type | Reciprocating |
| Horsepower or Pounds of Thrust (For Reciprocating Engines) |
40 hp |
| Thrust | n/a |
| Number of aircraft regsitrations with this engine type | 1 |