| Tail Number / N-Number | N5639D |
| Manufacturer | MOONEY AIRCRAFT CORP. |
| Model | M20K |
| Year Built | 1983 |
| Manufacturer's Serial Number | 25-0748 |
| 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 | TSIO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 225 hp (168 kW) |
| Type of Registrant | Individual |
| Owner Name | WILLIAMS JAMES STUART |
| Street | 5260 COUNTY ROAD 120 UNIT B |
| City | CLYDE |
| State | TX |
| Zip Code | 79510-4644 |
| Region | Southwestern |
| County | Callahan County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1983-03-29 |
| Certificate Issue Date | 2023-01-10 |
| Last Action Date | 2023-01-10 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 51632646 |
| Mode S Code Hex | A735A6 |