| Tail Number / N-Number | N121LC |
| Manufacturer | CAST D/LAMMERS J |
| Model | VANS RV6A |
| Year Built | 2003 |
| Manufacturer's Serial Number | 21161 |
| 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 | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Kit Manufacturer | VANS AIRCRAFT INC |
| Kit Model | RV-6A |
| Type of Registrant | Individual |
| Owner Name | CAST DONALD R |
| Street | 735 N HIGHWAY A-1-A UNIT 505 |
| City | INDIALANTIC |
| State | FL |
| Zip Code | 32903-3048 |
| Region | Southern |
| County | Brevard County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2003-05-13 |
| Certificate Issue Date | 2016-07-21 |
| Last Action Date | 2022-03-03 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 50054146 |
| Mode S Code Hex | A05866 |