| Tail Number / N-Number | N21165 |
| Manufacturer | STINSON |
| Model | HW75 |
| Year Built | 1939 |
| Manufacturer's Serial Number | 7024 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | A80 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 80 hp (60 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Individual |
| Owner Name | STEWART DONALD J |
| Street | 5626 MURRAYHILL RD |
| City | CHARLOTTE |
| State | NC |
| Zip Code | 28210-2415 |
| Region | Eastern |
| County | Mecklenburg County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1955-07-29 |
| Certificate Issue Date | 2012-09-24 |
| Last Action Date | 2021-04-14 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 50340201 |
| Mode S Code Hex | A1C081 |