Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4579Y.
| Tail Number / N-Number | N4579Y |
| Manufacturer | PIPER |
| Model | PA-25-235 |
| Manufacturer's Serial Number | 25-4247 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 93 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | PIPER AIRCRAFT CORP |
| Street | EAST BALD EAGLE ST |
| City | LOCK HAVEN |
| State | PA |
| Zip Code | 17745 |
| Region | Eastern |
| Certificate Issue Date | 1967-04-05 |
| Last Status | Valid Registration |
| Cancellation Date | 1967-08-22 |
| Exported To | CYPRUS |
| Mode S Code | 51307707 |
| Mode S Code Hex | A58FC7 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4579Y.
| Tail Number / N-Number | N4579Y |
| Manufacturer | BALDWIN RONALD E |
| Model | QUICKSILVER MX II |
| Manufacturer's Serial Number | 1541 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Last Action Date | 1984-02-18 |
| Last Status | N-Number assigned, has not been registered and is pending cancellation |
| Cancellation Date | 2011-04-25 |
| Mode S Code | 51307707 |
| Mode S Code Hex | A58FC7 |