| Tail Number / N-Number | N8666K |
| Manufacturer | UNIVERSAL STINSON |
| Model | 108-1 |
| Manufacturer's Serial Number | 108-1666 |
| 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) |
| Average Cruising Speed | 87 miles per hour |
| Type of Registrant | Individual |
| Owner Name | BUCE THOMAS M |
| Street | 45457 DICK CREEK LN |
| City | KIMBERLY |
| State | OR |
| Zip Code | 97848-6273 |
| Region | Northwest Mountain |
| County | Grant County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1987-12-04 |
| Certificate Issue Date | 2005-06-07 |
| Last Action Date | 2020-05-08 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 52764125 |
| Mode S Code Hex | ABE855 |