| Tail Number / N-Number | N57SX |
| Manufacturer | CHURCH STEPHEN |
| Model | CHURCH CHALLENGER II |
| Year Built | 1992 |
| Manufacturer's Serial Number | CH2-1291-0768 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | SPINELLI JOHN A |
| Street | 6 COMMODORE DR # C233 |
| City | EMERYVILLE |
| State | CA |
| Zip Code | 94608-1649 |
| Region | Western-Pacific |
| County | Alameda County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1993-04-10 |
| Certificate Issue Date | 2020-07-23 |
| Last Action Date | 2020-07-23 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 51646666 |
| Mode S Code Hex | A74DB6 |