| Tail Number / N-Number | N63899 |
| Manufacturer | BOEING |
| Model | 737-900ER |
| Year Built | 2016 |
| Manufacturer's Serial Number | 62816 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 222 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | CFM INTL |
| Engine Model | CFM56-7B27E/F |
| 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 | 2016-12-12 |
| Certificate Issue Date | 2016-12-13 |
| Last Action Date | 2022-08-11 |
| Expiration Date | 2029-12-31 |
| Status | Valid Registration |
| Mode S Code | 52057451 |
| Mode S Code Hex | A85F29 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N63899.
| Tail Number / N-Number | N63899 |
| Manufacturer | PIPER |
| Model | PA-23-250 |
| Manufacturer's Serial Number | 277854045 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 150 miles per hour |
| County | Cook County |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |