| Tail Number / N-Number | N831GR |
| Manufacturer | RAHISER GROVER C JR |
| Model | THORP T-18 |
| Year Built | 1988 |
| Manufacturer's Serial Number | 831 |
| 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 | O-320-E2D |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 150 hp (112 kW) |
| Type of Registrant | Individual |
| Owner Name | GRAHN JAMES A |
| Street | 4315 N TIOGA WAY |
| City | LAS VEGAS |
| State | NV |
| Zip Code | 89129-6049 |
| Region | Western-Pacific |
| County | Clark County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2012-10-29 |
| Certificate Issue Date | 1999-10-19 |
| Last Action Date | 2021-02-25 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 52656267 |
| Mode S Code Hex | AB5CB7 |