| Tail Number / N-Number | N58KJ |
| Manufacturer | JAMES A MASEPHOL |
| Model | K-J SPECIAL |
| Year Built | 2017 |
| 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 | CONT MOTOR |
| Engine Model | A-65 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Type of Registrant | Individual |
| Owner Name | MASEPHOL JAMES A |
| Street | N10968 S HIGHBRIDGE TRL |
| City | PHILLIPS |
| State | WI |
| Zip Code | 54555-7257 |
| Region | Great Lakes |
| County | Price County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2017-07-01 |
| Certificate Issue Date | 2016-08-24 |
| Last Action Date | 2022-03-13 |
| Expiration Date | 2029-08-31 |
| Status | Valid Registration |
| Mode S Code | 51672171 |
| Mode S Code Hex | A77479 |