| Tail Number / N-Number | N290MM |
| Manufacturer | BATCHELOR MARK S |
| Model | THORP T-18 |
| Year Built | 2001 |
| Manufacturer's Serial Number | 001 |
| 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 | LYCOMING |
| Engine Model | 0-290 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 140 hp (104 kW) |
| Type of Registrant | Individual |
| Owner Name | BATCHELOR MARK S |
| Street | 11265 WISTERIA WAY |
| City | AUBURN |
| State | CA |
| Zip Code | 95603-9427 |
| Region | Western-Pacific |
| County | Placer County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2001-03-23 |
| Certificate Issue Date | 2000-01-11 |
| Last Action Date | 2022-07-28 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 50573231 |
| Mode S Code Hex | A2F699 |