Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N63999.
| Tail Number / N-Number | N63999 |
| Manufacturer | PIPER |
| Model | PA-23-250 |
| Manufacturer's Serial Number | 27-7854126 |
| 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) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | AVIATION SERVICES INTERNATIONAL INC |
| Street | BOX 587 |
| City | LOCK HAVEN |
| State | PA |
| Zip Code | 17745 |
| Region | Eastern |
| Certificate Issue Date | 1978-10-05 |
| Last Status | Valid Registration |
| Cancellation Date | 1978-10-05 |
| Exported To | UNITED KINGDOM |
| Mode S Code | 52061340 |
| Mode S Code Hex | A862E0 |