| Tail Number / N-Number | N403LD |
| Manufacturer | UNGERECHT LYLE |
| Model | LANCAIR IV |
| Year Built | 2005 |
| Manufacturer's Serial Number | LIV-445 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not 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) |
| Kit Manufacturer | LANCAIR INTL INC |
| Kit Model | LANCAIR IV/IV FAST |
| Type of Registrant | Individual |
| Owner Name | UNGERECHT LYLE |
| Street | 265 DAWN WAY |
| City | BANNING |
| State | CA |
| Zip Code | 92220-3239 |
| Region | Western-Pacific |
| County | Riverside County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2022-11-05 |
| Certificate Issue Date | 1999-11-17 |
| Last Action Date | 2022-08-31 |
| Expiration Date | 2028-12-31 |
| Status | Valid Registration |
| Mode S Code | 51134304 |
| Mode S Code Hex | A4B8C4 |