| Tail Number / N-Number | N31131 |
| Manufacturer | EMBRAER |
| Model | EMB-145XR |
| Year Built | 2003 |
| Manufacturer's Serial Number | 145705 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 55 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | ROLLS-ROYC |
| Engine Model | AE3007 SER |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 6,442 pounds-force (28.7 kN) |
| Total Thrust | 12,884 pounds-force (57.3 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 | 2005-02-25 |
| Certificate Issue Date | 2019-01-30 |
| Last Action Date | 2021-09-30 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 50646543 |
| Mode S Code Hex | A34D63 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N31131.
| Tail Number / N-Number | N31131 |
| Manufacturer | PIPER |
| Model | J3C-65 |
| Manufacturer's Serial Number | 5353 |
| 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 | 67 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | BNL FLYING CLUB |
| Street | BROOKHAVEN NATIONAL LABORATORY |
| City | UPTON |
| State | NY |
| Zip Code | 11973 |
| Region | Eastern |
| County | Cook County |
| Certificate Issue Date | 1949-12-05 |
| Last Status | Valid Registration |
| Cancellation Date | 1956-02-23 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N31131.
| Tail Number / N-Number | N31131 |
| Manufacturer | BRISBIN |
| Model | PIETENPOL AIRCAMPER |
| Manufacturer's Serial Number | 1 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not 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 | 75 miles per hour |
| County | Cook County |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1989-03-09 |