| Tail Number / N-Number | N77066 |
| Manufacturer | BOEING |
| Model | 767-424ER |
| Year Built | 2002 |
| Manufacturer's Serial Number | 29461 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 292 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | GE |
| Engine Model | CF6-80 SERIES |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 47,600 pounds-force (211.7 kN) |
| Total Thrust | 95,200 pounds-force (423.5 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 | 60606-7147 |
| Region | Great Lakes |
| County | Cook County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2002-05-30 |
| Certificate Issue Date | 2002-06-03 |
| Last Action Date | 2020-03-09 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 52466120 |
| Mode S Code Hex | AA6C50 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N77066.
| Tail Number / N-Number | N77066 |
| Manufacturer | CESSNA |
| Model | 140 |
| Year Built | 1946 |
| Manufacturer's Serial Number | 11520 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 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 |
| Type of Registrant | Individual |
| Owner Name | WILLIAMS QUENTIN |
| Street | BOX 213 |
| City | HEREFORD |
| State | TX |
| Zip Code | 79045 |
| Region | Southwestern |
| County | Cook County |
| Certificate Issue Date | 1947-11-04 |
| Last Status | Valid Registration |
| Cancellation Date | 1948-04-21 |