Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N312UA.
| Tail Number / N-Number | N312UA |
| Manufacturer | BOEING |
| Model | 737-322 |
| Year Built | 1987 |
| Manufacturer's Serial Number | 23673 |
| 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 | Corporation |
| Owner Name | UNITED AIR LINES INC |
| Street | ATTN: TREASURER 77 W WACKER DR |
| City | CHICAGO |
| State | IL |
| Zip Code | 60601-1604 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1987-12-07 |
| Certificate Issue Date | 2004-06-21 |
| Last Action Date | 2011-07-27 |
| Last Status | Valid Registration |
| Cancellation Date | 2013-03-18 |
| Mode S Code | 50650002 |
| Mode S Code Hex | A35002 |