| Tail Number / N-Number | N4937K |
| Manufacturer | NAVION |
| Model | NAVION A |
| Year Built | 1949 |
| Manufacturer's Serial Number | NAV-4-1937 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | 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 | E225 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 225 hp (168 kW) |
| Average Cruising Speed | 120 miles per hour |
| Type of Registrant | Individual |
| Owner Name | LANGSTON LEO J |
| Street | 2203 PEBBLE BEACH DR |
| City | LEAGUE CITY |
| State | TX |
| Zip Code | 77573-4455 |
| Region | Southwestern |
| County | Galveston County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 2019-01-10 |
| Last Action Date | 2021-08-15 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 51417224 |
| Mode S Code Hex | A61E94 |