| Tail Number / N-Number | N18439 |
| Manufacturer | STINSON |
| Model | SR-9C |
| Year Built | 1937 |
| Manufacturer's Serial Number | 5325 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | R680E SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Average Cruising Speed | 123 miles per hour |
| Type of Registrant | Individual |
| Owner Name | LINEBACK ROY KEITH |
| Street | 5795 MUSKET DR |
| City | HICKORY |
| State | NC |
| Zip Code | 28601-9477 |
| Region | Eastern |
| County | Catawba County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1955-08-12 |
| Certificate Issue Date | 2021-09-27 |
| Last Action Date | 2021-09-27 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 50251153 |
| Mode S Code Hex | A1526B |