| Tail Number / N-Number | N621SL |
| Manufacturer | LANCAIR COMPANY |
| Model | LC41-550FG |
| Year Built | 2005 |
| Manufacturer's Serial Number | 41510 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | TSIO-550 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 280 hp (209 kW) |
| Type of Registrant | LLC |
| Owner Name | FARM BOYS INVESTMENTS LLC |
| Street | 105 PEPPER ST |
| City | LOS ALTOS |
| State | CA |
| Zip Code | 94022 |
| Region | Western-Pacific |
| County | Santa Clara County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2005-09-22 |
| Certificate Issue Date | 2007-06-19 |
| Last Action Date | 2020-03-25 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 52015617 |
| Mode S Code Hex | A81B8F |