Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N646SW.
| Tail Number / N-Number | N646SW |
| Manufacturer | BOEING |
| Model | 737-3H4 |
| Year Built | 1997 |
| Manufacturer's Serial Number | 28331 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 149 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | GE |
| Engine Model | CFM56 SERIES |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 9,800 pounds-force (43.6 kN) |
| Total Thrust | 19,600 pounds-force (87.2 kN) |
| Type of Registrant | Corporation |
| Owner Name | SOUTHWEST AIRLINES CO |
| Street | 2702 LOVE FIELD DR # HDQ-4GC |
| City | DALLAS |
| State | TX |
| Zip Code | 75235-1908 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1997-04-04 |
| Certificate Issue Date | 1997-06-02 |
| Last Action Date | 2017-05-04 |
| Last Status | Valid Registration |
| Cancellation Date | 2017-11-20 |
| Exported To | NIGERIA |
| Mode S Code | 52076452 |
| Mode S Code Hex | A87D2A |