| Tail Number / N-Number | N37SX |
| Manufacturer | KEVIN M QUIRK |
| Model | ONEX |
| Year Built | 2020 |
| Manufacturer's Serial Number | ONX0181 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | SONEX ACFT |
| Engine Model | AEROVEE TURBO |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Type of Registrant | Individual |
| Owner Name | QUIRK KEVIN M |
| Street | 608 CRESTMONT DR |
| City | SANTA ROSA |
| State | CA |
| Zip Code | 95409-2814 |
| Region | Western-Pacific |
| County | Sonoma County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2020-06-05 |
| Certificate Issue Date | 2018-08-09 |
| Last Action Date | 2021-03-13 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 51031430 |
| Mode S Code Hex | A43318 |