Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4572K.
| Tail Number / N-Number | N4572K |
| Manufacturer | RYAN |
| Model | NAVION |
| Year Built | 1948 |
| Manufacturer's Serial Number | NAV41572 |
| 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 | PLUMLEIGH ROBERT E |
| Street | 34 TARRY LANE |
| City | ORINDA |
| State | CA |
| Zip Code | 94563 |
| Country | US |
| Last Action Date | 1977-01-14 |
| Last Status | Revoked – Canceled |
| Cancellation Date | 2012-07-24 |
| Mode S Code | 51307305 |
| Mode S Code Hex | A58EC5 |