| Tail Number / N-Number | N639GS |
| Manufacturer | AMERICAN GENERAL ACFT CORP |
| Model | AG5B |
| Year Built | 1991 |
| Manufacturer's Serial Number | 10041 |
| 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 | LYCOMING |
| Engine Model | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | KATZEN EDMUND |
| Street | PO BOX 188 |
| City | WESTHAMPTON |
| State | NY |
| Zip Code | 11977-0188 |
| Region | Eastern |
| County | Suffolk County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1991-05-13 |
| Certificate Issue Date | 2021-01-14 |
| Last Action Date | 2021-01-14 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 52057722 |
| Mode S Code Hex | A85FD2 |