| Tail Number / N-Number | N66814 |
| Manufacturer | BOEING |
| Model | 737-924ER |
| Year Built | 2014 |
| Manufacturer's Serial Number | 42745 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 191 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | CFM INTL |
| Engine Model | CFM56-7B27E |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 27,300 pounds-force (121.4 kN) |
| Total Thrust | 54,600 pounds-force (242.9 kN) |
| Type of Registrant | Corporation |
| Owner Name | UNITED AIRLINES INC |
| Street | 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 | 2014-02-11 |
| Certificate Issue Date | 2014-02-13 |
| Last Action Date | 2023-02-09 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 52152211 |
| Mode S Code Hex | A8D489 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N66814.
| Tail Number / N-Number | N66814 |
| Manufacturer | FAIRCHILD(HOWARD) |
| Model | M-62C(PT-23A) |
| Manufacturer's Serial Number | 283-H0 |
| 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 | 97 miles per hour |
| Type of Registrant | Partnership |
| Owner Name | SMITH IRVING K |
| Street | 530 KERN ST |
| City | TAFT |
| State | CA |
| Zip Code | 93268 |
| Region | Western-Pacific |
| County | Cook County |
| Certificate Issue Date | 1948-08-12 |
| Last Status | Valid Registration |
| Cancellation Date | 1955-10-24 |