| Tail Number / N-Number | N58K |
| Manufacturer | KLEBER JOHN |
| Model | THORP T-18 |
| Year Built | 1979 |
| Manufacturer's Serial Number | 1067 |
| 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 | FRANTZ DOUGLAS M |
| Street | 1050 W TEA OLIVE WAY |
| City | MUSTANG |
| State | OK |
| Zip Code | 73064-2344 |
| Region | Southwestern |
| County | Canadian County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1983-08-26 |
| Certificate Issue Date | 1983-07-13 |
| Last Action Date | 2020-10-05 |
| Expiration Date | 2027-12-31 |
| Status | Valid Registration |
| Mode S Code | 51672160 |
| Mode S Code Hex | A77470 |