| Tail Number / N-Number | N4591K |
| Manufacturer | RYAN |
| Model | NAVION A |
| Year Built | 1948 |
| Manufacturer's Serial Number | NAV-4-1591 |
| 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 | IO 520 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 285 hp (213 kW) |
| Average Cruising Speed | 126 miles per hour |
| Type of Registrant | Individual |
| Owner Name | DESMON DAVID L |
| Street | 1405 MADRONA AVE |
| City | EVERETT |
| State | WA |
| Zip Code | 98203-1727 |
| Region | Northwest Mountain |
| County | Snohomish County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2003-07-30 |
| Certificate Issue Date | 1999-11-03 |
| Last Action Date | 2021-05-18 |
| Expiration Date | 2028-10-31 |
| Status | Valid Registration |
| Mode S Code | 51313020 |
| Mode S Code Hex | A59610 |