| Tail Number / N-Number | N3904K |
| Manufacturer | ANDERSON GREENWOOD |
| Model | AND-51-A |
| Year Built | 1953 |
| Manufacturer's Serial Number | 5 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | 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 | C90 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 95 hp (71 kW) |
| Average Cruising Speed | 99 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | LONE STAR FLIGHT MUSEUM |
| Street | 11551 AEROSPACE AVE |
| City | HOUSTON |
| State | TX |
| Zip Code | 77034-5642 |
| Region | Southwestern |
| County | Harris County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 2018-08-30 |
| Last Action Date | 2021-04-05 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 51102667 |
| Mode S Code Hex | A485B7 |