| Tail Number / N-Number | N531AU |
| Manufacturer | BOEING |
| Model | 737-3B7 |
| Year Built | 1989 |
| Manufacturer's Serial Number | 24478 |
| 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 | CFM INTL. |
| Engine Model | CFM56 SERIES |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Horsepower per Engine | 2,200 hp (1,641 kW) |
| Total Horsepower | 4,400 hp (3,282 kW) |
| Type of Registrant | LLC |
| Owner Name | SWIFT AIR LLC |
| Street | 202 CENTERPORTE DR STE 400 |
| City | GREENSBORO |
| State | NC |
| Zip Code | 27409 |
| Region | Eastern |
| County | Guilford County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1989-07-11 |
| Certificate Issue Date | 2018-12-28 |
| Last Action Date | 2022-06-16 |
| Expiration Date | 2028-12-31 |
| Status | Valid Registration |
| Mode S Code | 51532067 |
| Mode S Code Hex | A6B437 |