| Tail Number / N-Number | N912MX |
| Manufacturer | REX TAYLOR |
| Model | KOLB TWINSTAR M3XTRA |
| Year Built | 2017 |
| Manufacturer's Serial Number | M3X143000112 |
| 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 LLC |
| Kit Model | TWINSTAR MARK III XT |
| Type of Registrant | Individual |
| Owner Name | TAYLOR REX D |
| Street | 5011 N 2800 W |
| City | CEDAR CITY |
| State | UT |
| Zip Code | 84721-4524 |
| Region | Northwest Mountain |
| County | Iron County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2017-07-26 |
| Certificate Issue Date | 2017-03-13 |
| Last Action Date | 2022-10-20 |
| Expiration Date | 2030-03-31 |
| Status | Valid Registration |
| Mode S Code | 53117502 |
| Mode S Code Hex | AC9F42 |