| Tail Number / N-Number | N423UP |
| Manufacturer | BOEING |
| Model | 757-24APF |
| Year Built | 1991 |
| Manufacturer's Serial Number | 25325 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 178 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 | Corporation |
| Owner Name | UNITED PARCEL SERVICE CO |
| Street | 1400 N HURSTBOURNE PARKWAY |
| City | LOUISVILLE |
| State | KY |
| Zip Code | 40223 |
| Region | Central |
| County | Jefferson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1991-10-31 |
| Certificate Issue Date | 1992-01-13 |
| Last Action Date | 2022-01-10 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 51204224 |
| Mode S Code Hex | A50894 |