Individually Owned: 150,657
Corporate Owned: 137,281
Aerosport O/Io-320 Ser Aircraft Engine
| Manufacturer Name | Aerosport |
| Model Name | O/Io-320 Ser |
| Aircraft Engine Type | Reciprocating |
| Horsepower or Pounds of Thrust (For Reciprocating Engines) |
180 hp |
| Thrust | n/a |
| Number of aircraft regsitrations with this engine type | 16 |