| Tail Number / N-Number | N8558K |
| Manufacturer | STINSON |
| Model | 108-1 |
| Year Built | 1947 |
| Manufacturer's Serial Number | 108-1558 |
| 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 | 84 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | D U AIRCRAFT LEASING INC |
| Street | 2824 MOUNT CAROL DR |
| City | GREEN BAY |
| State | WI |
| Zip Code | 54311-5806 |
| Region | Great Lakes |
| County | Brown County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1957-11-14 |
| Certificate Issue Date | 2014-03-11 |
| Last Action Date | 2022-10-19 |
| Expiration Date | 2030-03-31 |
| Status | Valid Registration |
| Mode S Code | 52736545 |
| Mode S Code Hex | ABBD65 |