| Tail Number / N-Number | N223JK |
| Manufacturer | OFFUTT JOHN A |
| Model | TWINSTAR |
| Year Built | 2015 |
| Manufacturer's Serial Number | M3X14-2-000111 |
| 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 | ROTAX |
| Engine Model | 912ULS SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Kit Manufacturer | KOLB AIRCRAFT CO |
| Kit Model | TWIN STAR |
| Type of Registrant | Individual |
| Owner Name | BROWN JOHN D |
| Street | 73 LUBECK RD |
| City | PARKERSBURG |
| State | WV |
| Zip Code | 26101-7509 |
| Region | Eastern |
| County | Wood County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2015-06-09 |
| Certificate Issue Date | 2019-06-18 |
| Last Action Date | 2022-01-20 |
| Expiration Date | 2029-06-30 |
| Status | Valid Registration |
| Mode S Code | 50366370 |
| Mode S Code Hex | A1ECF8 |