| Tail Number / N-Number | N9503K |
| Manufacturer | STINSON |
| Model | 108-2 |
| Year Built | 1947 |
| Manufacturer's Serial Number | 108-2503 |
| 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 | 0-435 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 175 hp (131 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Individual |
| Owner Name | STUBBLEFIELD MATTHEW K |
| Street | PO BOX 2136 |
| City | WEST YELLOWSTONE |
| State | MT |
| Zip Code | 59758-2136 |
| Region | Northwest Mountain |
| County | Gallatin County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-03-04 |
| Certificate Issue Date | 2021-01-06 |
| Last Action Date | 2021-01-06 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 53233562 |
| Mode S Code Hex | AD3772 |