| Tail Number / N-Number | N21164 |
| Manufacturer | STINSON |
| Model | HW75 |
| Manufacturer's Serial Number | 7049 |
| 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 | C85 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 85 hp (63 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Individual |
| Owner Name | CHRISTENSON DEAN A |
| Street | 1322 8TH AVE |
| City | INTL FALLS |
| State | MN |
| Zip Code | 56649-2805 |
| Region | Great Lakes |
| County | Koochiching County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1957-07-23 |
| Certificate Issue Date | 2020-06-04 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-06-30 |
| Status | Valid Registration |
| Mode S Code | 50340200 |
| Mode S Code Hex | A1C080 |