Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4639D.
| Tail Number / N-Number | N4639D |
| Manufacturer | BEECH |
| Model | G35 |
| Manufacturer's Serial Number | D4814 |
| 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 | 131 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | MCGREGOR CORP |
| Street | PO BOX 5198 |
| City | SAN ANGELO |
| State | TX |
| Zip Code | 76902 |
| Region | Southwestern |
| Certificate Issue Date | 1962-11-26 |
| Last Status | Valid Registration |
| Cancellation Date | 1965-05-20 |
| Mode S Code | 51324127 |
| Mode S Code Hex | A5A857 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4639D.
| Tail Number / N-Number | N4639D |
| Manufacturer | CESSNA |
| Model | 172N |
| Manufacturer's Serial Number | 17272322 |
| 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 | 105 miles per hour |
| Type of Registrant | Corporation |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1990-09-24 |
| Exported To | SWITZERLAND |
| Mode S Code | 51324127 |
| Mode S Code Hex | A5A857 |