| Tail Number / N-Number | N37549 |
| Manufacturer | BOEING |
| Model | 737-9 |
| Manufacturer's Serial Number | 64475 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 48 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| 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 |
| Certificate Issue Date | 2023-02-16 |
| Last Action Date | 2023-02-16 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 51044544 |
| Mode S Code Hex | A44964 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N37549.
| Tail Number / N-Number | N37549 |
| Manufacturer | DOUGLAS |
| Model | DC-6B |
| Year Built | 1951 |
| Manufacturer's Serial Number | 43259 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 96 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | P & W |
| Engine Model | R-2800 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 4 engines |
| Horsepower per Engine | 2,000 hp (1,492 kW) |
| Total Horsepower | 8,000 hp (5,968 kW) |
| Average Cruising Speed | 216 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | SALE REPORTED |
| Street | P. O. BOX 25082 |
| City | OKLAHOMA CITY |
| State | OK |
| Zip Code | 73125 |
| County | Cook County |
| Country | US |
| Airworthiness Classification | Standard |
| Last Action Date | 1977-01-14 |
| Last Status | Sale reported |
| Cancellation Date | 1976-06-10 |