| Tail Number / N-Number | N4978K |
| Manufacturer | RYAN |
| Model | NAVION A |
| Year Built | 1949 |
| Manufacturer's Serial Number | NAV-4-1978 |
| 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 | CONT MOTOR |
| Engine Model | E185 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 205 hp (153 kW) |
| Average Cruising Speed | 126 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SWETT DAVID C |
| Street | 23909 BENNINGTON DR |
| City | VALENCIA |
| State | CA |
| Zip Code | 91354-2606 |
| Region | Western-Pacific |
| County | Los Angeles County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-11-23 |
| Certificate Issue Date | 2015-02-23 |
| Last Action Date | 2020-09-14 |
| Expiration Date | 2028-02-29 |
| Status | Valid Registration |
| Mode S Code | 51426623 |
| Mode S Code Hex | A62D93 |