| Tail Number / N-Number | N4425K |
| Manufacturer | RYAN |
| Model | NAVION |
| Year Built | 1948 |
| Manufacturer's Serial Number | NAV-4-1425 |
| 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 | Co-Ownership |
| Owner Name | PETERSEN DENNIS B |
| Other Names |
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| Street | 6088 MARSHALL WAY |
| City | SAN LUIS OBISPO |
| State | CA |
| Zip Code | 93401-8264 |
| Region | Western-Pacific |
| County | San Luis Obispo County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1976-05-14 |
| Certificate Issue Date | 2016-11-22 |
| Last Action Date | 2022-06-14 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 51252434 |
| Mode S Code Hex | A5551C |