Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4990B.
| Tail Number / N-Number | N4990B |
| Manufacturer | BEECH |
| Model | D-50 |
| Manufacturer's Serial Number | DH-39 |
| 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 | 167 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | BEECH AIRCRAFT CORP |
| Certificate Issue Date | 1956-05-21 |
| Last Status | Valid Registration |
| Cancellation Date | 1956-05-21 |
| Exported To | ALGERIA |
| Mode S Code | 51431741 |
| Mode S Code Hex | A633E1 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4990B.
| Tail Number / N-Number | N4990B |
| Manufacturer | BELL |
| Model | 206B |
| Manufacturer's Serial Number | 1023 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 112 miles per hour |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Mode S Code | 51431741 |
| Mode S Code Hex | A633E1 |