| Tail Number / N-Number | N39423 |
| Manufacturer | BOEING |
| Model | 737-924ER |
| Year Built | 2008 |
| Manufacturer's Serial Number | 32829 |
| 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 | CFM56-7B26 |
| 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 | 2008-06-27 |
| Certificate Issue Date | 2008-06-30 |
| Last Action Date | 2020-07-28 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 51112137 |
| Mode S Code Hex | A4945F |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N39423.
| Tail Number / N-Number | N39423 |
| Manufacturer | HEALD ERNEST J |
| Model | BEAR A |
| Manufacturer's Serial Number | 101 |
| Aircraft Type | Fixed wing single engine |
| Category | Amphibian |
| Builder Certification | Not Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Co-Ownership |
| Owner Name | HEALD ERNEST J |
| Other Names |
|
| Street | 2803 126 AVE SE |
| City | BELLEVUE |
| State | WA |
| Zip Code | 98005 |
| County | Cook County |
| Country | US |
| Certificate Issue Date | 1983-07-05 |
| Last Action Date | 1994-05-18 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1994-07-19 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N39423.
| Tail Number / N-Number | N39423 |
| Manufacturer | STINSON |
| Model | 10A |
| Year Built | 1941 |
| Manufacturer's Serial Number | 8223 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Individual |
| Owner Name | GERMANY E B |
| Street | 25 1/2 HIGHLAND PARK VILLAGE |
| City | DALLAS |
| State | TX |
| Zip Code | 75205 |
| Region | Southwestern |
| County | Cook County |
| Certificate Issue Date | 1942-01-31 |
| Last Status | Valid Registration |
| Cancellation Date | 1948-09-07 |