| Tail Number / N-Number | N78506 |
| Manufacturer | BOEING |
| Model | 737-824 |
| Year Built | 2006 |
| Manufacturer's Serial Number | 32832 |
| 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 | CFM56-7B26 |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 26,300 pounds-force (117.0 kN) |
| Total Thrust | 52,600 pounds-force (234.0 kN) |
| Type of Registrant | Corporation |
| Owner Name | UNITED AIRLINES INC |
| Street | ATTN: TREASURER WILLIS TOWER 233 S WACKER DR |
| City | CHICAGO |
| State | IL |
| Zip Code | 60606 |
| Region | Great Lakes |
| County | Cook County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2006-10-21 |
| Certificate Issue Date | 2006-10-24 |
| Last Action Date | 2021-03-09 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 52522620 |
| Mode S Code Hex | AAA590 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N78506.
| Tail Number / N-Number | N78506 |
| Manufacturer | CESSNA |
| Model | 172K |
| Manufacturer's Serial Number | 17257643 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 105 miles per hour |
| County | Cook County |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1989-03-21 |