| Tail Number / N-Number | N5661 |
| Manufacturer | THORP |
| Model | T-18 |
| Year Built | 1971 |
| Manufacturer's Serial Number | 588S |
| 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 | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 97 miles per hour |
| Type of Registrant | Individual |
| Owner Name | BRYANT BILLY JOE |
| Street | 1617 CESSNA WAY |
| City | SEYMOUR |
| State | TN |
| Zip Code | 37865-6560 |
| Region | Central |
| County | Sevier County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1981-09-23 |
| Certificate Issue Date | 2022-08-22 |
| Last Action Date | 2022-08-22 |
| Expiration Date | 2029-08-31 |
| Status | Valid Registration |
| Mode S Code | 51637657 |
| Mode S Code Hex | A73FAF |