| Tail Number / N-Number | N434TM |
| Manufacturer | THOMAS MCNERNEY |
| Model | LANCAIR LEGACY |
| Year Built | 2022 |
| Manufacturer's Serial Number | L2K-122 |
| 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 | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Kit Manufacturer | LANCAIR INTL LLC |
| Kit Model | LEGACY |
| Type of Registrant | LLC |
| Owner Name | N434TM LLC |
| Street | 1020 SE WOOD RIDGE CT |
| City | BLUE SPRINGS |
| State | MO |
| Zip Code | 64014-5566 |
| Region | Central |
| County | Jackson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2022-07-14 |
| Certificate Issue Date | 2019-09-12 |
| Last Action Date | 2022-04-20 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 51231657 |
| Mode S Code Hex | A533AF |