| Tail Number / N-Number | N145JG |
| Manufacturer | GELDERMANN BERT E |
| Model | LANCAIR LEGACY |
| Year Built | 2005 |
| Manufacturer's Serial Number | L2K-230 |
| 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-550 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Kit Manufacturer | LANCAIR INTL INC |
| Kit Model | LEGACY |
| Type of Registrant | Individual |
| Owner Name | GELDERMANN BERT E |
| Street | 5845 ROCHE HARBOR RD |
| City | FRIDAY HARBOR |
| State | WA |
| Zip Code | 98250-6942 |
| Region | Northwest Mountain |
| County | San Juan County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2005-03-12 |
| Certificate Issue Date | 2005-12-19 |
| Last Action Date | 2021-09-21 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 50133022 |
| Mode S Code Hex | A0B612 |