| Tail Number / N-Number | N911YY |
| Manufacturer | BELL |
| Model | 206-L4 |
| Year Built | 1993 |
| Manufacturer's Serial Number | 52047 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ALLISON |
| Engine Model | 250-C30 SER |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 650 hp (485 kW) |
| Type of Registrant | Government |
| Owner Name | CITY OF CHICAGO |
| Other Names |
|
| Street | 3954 E FOREMAN DR |
| City | CHICAGO |
| State | IL |
| Zip Code | 60633 |
| Region | Great Lakes |
| County | Cook County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1993-11-02 |
| Certificate Issue Date | 2012-01-05 |
| Last Action Date | 2020-08-16 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 53116237 |
| Mode S Code Hex | AC9C9F |