Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4578K.
| Tail Number / N-Number | N4578K |
| Manufacturer | RYAN |
| Model | NAVION |
| Year Built | 1948 |
| Manufacturer's Serial Number | NAV-4-1578 |
| 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 | Partnership |
| Owner Name | MARTIN ROBERT C |
| Other Names |
|
| Street | ROUTE 1 BOX 340 |
| City | STEVENSVILLE |
| State | MD |
| Zip Code | 21666 |
| Country | US |
| Airworthiness Classification | Multiple |
| Airworthiness Date | 1967-03-08 |
| Certificate Issue Date | 1979-12-06 |
| Last Action Date | 1994-09-06 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2015-05-19 |
| Mode S Code | 51307627 |
| Mode S Code Hex | A58F97 |