| Tail Number / N-Number | N921JK |
| Manufacturer | KENTON JOHN F |
| Model | THORP T-18C |
| Year Built | 1982 |
| Manufacturer's Serial Number | 921-80 |
| 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) |
| Type of Registrant | Individual |
| Owner Name | SHACKLEFORD WAYNE D |
| Street | 5198 ARLINGTON AVE # 333 |
| City | RIVERSIDE |
| State | CA |
| Zip Code | 92504-2603 |
| Region | Western-Pacific |
| County | Riverside County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1983-02-25 |
| Certificate Issue Date | 2017-01-27 |
| Last Action Date | 2022-09-02 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 53141263 |
| Mode S Code Hex | ACC2B3 |