| Tail Number / N-Number | N542DF |
| Manufacturer | FRETWELL DH/FRETWELL JR |
| Model | LANCAIR LEGACY |
| Year Built | 2004 |
| Manufacturer's Serial Number | LS-218 |
| 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 | CONT MOTOR |
| Engine Model | IO-360 |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 210 hp (157 kW) |
| Type of Registrant | Co-Ownership |
| Owner Name | FRETWELL DAVID H |
| Other Names |
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| Street | 9202 WINDMILL RD |
| City | PASO ROBLES |
| State | CA |
| Zip Code | 93446-9700 |
| Region | Western-Pacific |
| County | San Luis Obispo County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2008-12-24 |
| Certificate Issue Date | 2007-12-03 |
| Last Action Date | 2022-01-28 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 51557653 |
| Mode S Code Hex | A6DFAB |