| Tail Number / N-Number | N3621U |
| Manufacturer | CESSNA |
| Model | 182F |
| Year Built | 1963 |
| Manufacturer's Serial Number | 18255021 |
| 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 | STEWART GARY T |
| Street | 709 POST OAK CT |
| City | FRIENDSWOOD |
| State | TX |
| Zip Code | 77546-3567 |
| Region | Southwestern |
| County | Galveston County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1963-09-18 |
| Certificate Issue Date | 2020-02-12 |
| Last Action Date | 2022-09-17 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 51013110 |
| Mode S Code Hex | A41648 |