| Tail Number / N-Number | N12135 |
| Manufacturer | EMBRAER |
| Model | EMB-145XR |
| Year Built | 2003 |
| Manufacturer's Serial Number | 145718 |
| 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 | 50055110 |
| Mode S Code Hex | A05A48 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N12135.
| Tail Number / N-Number | N12135 |
| Manufacturer | CESSNA |
| Model | 172M |
| Manufacturer's Serial Number | 17261832 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 108 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CHIEF JOSEPH FLYERS INC |
| Street | PO BOX 313 |
| City | ENTERPRISE |
| State | OR |
| Zip Code | 97828 |
| County | Cook County |
| Country | US |
| Certificate Issue Date | 1975-06-16 |
| Last Action Date | 1992-03-26 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1994-05-18 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N12135.
| Tail Number / N-Number | N12135 |
| Manufacturer | STINSON |
| Model | SM-6000-B |
| Year Built | 1932 |
| Manufacturer's Serial Number | 5056 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 11 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 3 engines |
| Average Cruising Speed | 87 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CENTRAL AIRLINES INC |
| Street | MUNICIPAL AIRPORT |
| City | PITTSBURGH |
| State | PA |
| Zip Code | 15122 |
| Region | Eastern |
| County | Cook County |
| Country | US |
| Certificate Issue Date | 1934-04-30 |
| Last Status | Valid Registration |
| Cancellation Date | 1934-11-06 |