Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4990S.
| Tail Number / N-Number | N4990S |
| Manufacturer | BELL |
| Model | 205A-1 |
| Manufacturer's Serial Number | 30143 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 15 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 103 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | MAX SONNENBERG INC |
| Street | PO BOX 14276 |
| City | ALBUQUERQUE |
| State | NM |
| Zip Code | 87111 |
| Region | Southwestern |
| Certificate Issue Date | 1978-10-20 |
| Last Status | Valid Registration |
| Cancellation Date | 1978-10-20 |
| Exported To | COLOMBIA |
| Mode S Code | 51431760 |
| Mode S Code Hex | A633F0 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4990S.
| Tail Number / N-Number | N4990S |
| Manufacturer | PIPER |
| Model | PA-28R-200 |
| Year Built | 1970 |
| Manufacturer's Serial Number | 28R-35716 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 107 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | PIPER AIRCRAFT CORP |
| Street | 820 EAST BALD EAGLE STREET |
| City | LOCK HAVEN |
| State | PA |
| Zip Code | 17745 |
| Region | Eastern |
| Certificate Issue Date | 1970-06-12 |
| Last Status | Valid Registration |
| Cancellation Date | 1970-11-27 |
| Exported To | GERMANY |
| Mode S Code | 51431760 |
| Mode S Code Hex | A633F0 |