| Tail Number / N-Number | N123AJ |
| Manufacturer | LAVELLE JEFF |
| Model | GLASAIR III |
| Year Built | 1998 |
| Manufacturer's Serial Number | 3330 |
| 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 | LYCOMING |
| Engine Model | IO-540 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Kit Manufacturer | STODDARD HAMILTON |
| Kit Model | GLASAIR III |
| Type of Registrant | LLC |
| Owner Name | RACE 39 LLC |
| Street | 15521 61ST AVE NE |
| City | KENMORE |
| State | WA |
| Zip Code | 98028-4301 |
| Region | Northwest Mountain |
| County | King County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1999-11-20 |
| Certificate Issue Date | 2016-07-05 |
| Last Action Date | 2022-02-26 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 50057340 |
| Mode S Code Hex | A05EE0 |