| Tail Number / N-Number | N91TM |
| Manufacturer | ROBINSON HELICOPTER CO |
| Model | R66 |
| Year Built | 2014 |
| Manufacturer's Serial Number | 0499 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROLLS-ROYC |
| Engine Model | 250-C300/A1 |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Type of Registrant | Corporation |
| Owner Name | EMERALD CITY AIRCRAFT LEASING INC |
| Street | PO BOX 1674 |
| City | PORT ORCHARD |
| State | WA |
| Zip Code | 98366-0175 |
| Region | Northwest Mountain |
| County | Kitsap County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2021-07-29 |
| Certificate Issue Date | 2019-06-06 |
| Last Action Date | 2022-02-03 |
| Expiration Date | 2029-06-30 |
| Status | Valid Registration |
| Mode S Code | 53113007 |
| Mode S Code Hex | AC9607 |