| Tail Number / N-Number | N640SL |
| Manufacturer | CESSNA |
| Model | 182H |
| Year Built | 1965 |
| Manufacturer's Serial Number | 18256483 |
| 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 | O-470 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 230 hp (172 kW) |
| Average Cruising Speed | 119 miles per hour |
| Type of Registrant | Individual |
| Owner Name | KOONCE GARY L |
| Street | 8207 FM 1788 |
| City | MIDLAND |
| State | TX |
| Zip Code | 79707 |
| Region | Southwestern |
| County | Midland County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1965-07-22 |
| Certificate Issue Date | 2019-11-20 |
| Last Action Date | 2022-11-29 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 52063326 |
| Mode S Code Hex | A866D6 |