| Tail Number / N-Number | N97421 |
| Manufacturer | UNIVERSAL STINSON |
| Model | 108 |
| Year Built | 1946 |
| Manufacturer's Serial Number | 108-421 |
| 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 | FRANKLIN |
| Engine Model | 6A4150 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 150 hp (112 kW) |
| Average Cruising Speed | 87 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MAHAN PHILLIP A |
| Street | 1410 3RD ST APT B |
| City | DOUGLAS |
| State | AK |
| Zip Code | 99824-5245 |
| Region | Alaskan |
| County | Juneau City and Borough |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-03-25 |
| Certificate Issue Date | 2020-02-20 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-02-28 |
| Status | Valid Registration |
| Mode S Code | 53312471 |
| Mode S Code Hex | AD9539 |