Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4593U.
| Tail Number / N-Number | N4593U |
| Manufacturer | BOEING |
| Model | 707-121 |
| Year Built | 1958 |
| Manufacturer's Serial Number | 17590 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 192 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Average Cruising Speed | 466 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | E SYSTEMS INC |
| Street | 6250 LBJ FREEWAY |
| City | DALLAS |
| State | TX |
| Zip Code | 75240 |
| Region | Southwestern |
| Certificate Issue Date | 1984-02-24 |
| Last Status | Valid Registration |
| Cancellation Date | 1984-08-21 |
| Mode S Code | 51313137 |
| Mode S Code Hex | A5965F |