Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N723US.
| Tail Number / N-Number | N723US |
| Manufacturer | BOEING |
| Model | 727-214 |
| Year Built | 1969 |
| Manufacturer's Serial Number | 20167 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 134 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | P & W |
| Engine Model | JT8D-9 SER |
| Engine Type | Turbo-jet |
| Number of Engines | 3 engines |
| Thrust per Engine | 14,500 pounds-force (64.5 kN) |
| Total Thrust | 43,500 pounds-force (193.5 kN) |
| Average Cruising Speed | 435 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | DALLAS AEROSPACE INC |
| Street | 1320 SPINKS DR |
| City | FLOWER MOUND |
| State | TX |
| Zip Code | 75028 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1969-06-06 |
| Certificate Issue Date | 1991-07-26 |
| Last Action Date | 2009-08-18 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 1994-08-25 |
| Mode S Code | 52330204 |
| Mode S Code Hex | A9B084 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N723US.
| Tail Number / N-Number | N723US |
| Manufacturer | BOEING |
| Model | 720-051B |
| Manufacturer's Serial Number | 18353 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 143 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 | NORTHWEST AIRLINES INC |
| Street | GEN DEL |
| City | ST PAUL |
| State | MN |
| Zip Code | 56701 |
| Region | Great Lakes |
| Certificate Issue Date | 1968-01-10 |
| Last Status | Valid Registration |
| Cancellation Date | 1972-03-22 |
| Exported To | GREECE |
| Mode S Code | 52330204 |
| Mode S Code Hex | A9B084 |