| Tail Number / N-Number | N81LK |
| Manufacturer | KINDER LARRY R |
| Model | MUSTANG-II |
| Year Built | 1981 |
| Manufacturer's Serial Number | MII-579 |
| 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 | I0360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | KINDER LARRY R |
| Street | 6930 CHEROKEE AVE |
| City | FORT MYERS |
| State | FL |
| Zip Code | 33905-7658 |
| Region | Southern |
| County | Lee County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1981-07-29 |
| Certificate Issue Date | 1981-05-15 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-06-30 |
| Status | Valid Registration |
| Mode S Code | 52604007 |
| Mode S Code Hex | AB0807 |