| Tail Number / N-Number | N891CS |
| Manufacturer | AIRBUS HELICOPTERS DEUTSCHLAND |
| Model | EC135 P3 |
| Year Built | 2015 |
| Manufacturer's Serial Number | 1195 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PW206B SERIES |
| Engine Type | Turbo-shaft |
| Number of Engines | 2 engines |
| Horsepower per Engine | 431 hp (322 kW) |
| Total Horsepower | 862 hp (643 kW) |
| Type of Registrant | LLC |
| Owner Name | REACH AIR MEDICAL SERVICES LLC |
| Street | 2360 BECKER BLVD |
| City | SANTA ROSA |
| State | CA |
| Zip Code | 95403-8270 |
| Region | Western-Pacific |
| County | Sonoma County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2016-06-22 |
| Certificate Issue Date | 2018-03-13 |
| Last Action Date | 2020-10-28 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 53044516 |
| Mode S Code Hex | AC494E |