Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N474WM.
| Tail Number / N-Number | N474WM |
| Manufacturer | PIPER |
| Model | PA-23-250 |
| Year Built | 1964 |
| Manufacturer's Serial Number | 27-2516 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | TI0-540 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 310 hp (231 kW) |
| Total Horsepower | 620 hp (463 kW) |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | RML AIRCRAFT INC |
| Street | 3511 SILVERSIDE RD STE 105 |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19810-4902 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1964-04-22 |
| Certificate Issue Date | 2011-10-25 |
| Last Action Date | 2011-10-25 |
| Last Status | Registration Expired - Pending Cancellation |
| Cancellation Date | 2018-01-04 |
| Mode S Code | 51350766 |
| Mode S Code Hex | A5D1F6 |