| Tail Number / N-Number | N8939R |
| Manufacturer | CHAMPION |
| Model | AERONCA 7HC |
| Year Built | 1960 |
| Manufacturer's Serial Number | 7HC-23 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-290 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 140 hp (104 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Individual |
| Owner Name | JOHNSTON JAMES D |
| Street | 100 ECKLOFF RD |
| City | TILLAMOOK |
| State | OR |
| Zip Code | 97141-9574 |
| Region | Northwest Mountain |
| County | Tillamook County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1960-01-21 |
| Certificate Issue Date | 2013-03-08 |
| Last Action Date | 2022-02-14 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 53052034 |
| Mode S Code Hex | AC541C |