| Tail Number / N-Number | N21XC |
| Manufacturer | LANCAIR COMPANY |
| Model | LC-40-550FG |
| Year Built | 2000 |
| Manufacturer's Serial Number | 40007 |
| 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 | IO-550 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Type of Registrant | Co-Ownership |
| Owner Name | SWANSON DAVID A |
| Other Names |
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| Street | 560 MATTHEWS CT |
| City | ONEIDA |
| State | IL |
| Zip Code | 61467-9592 |
| Region | Great Lakes |
| County | Knox County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2000-12-15 |
| Certificate Issue Date | 2020-10-05 |
| Last Action Date | 2020-10-05 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 50334471 |
| Mode S Code Hex | A1B939 |