| Tail Number / N-Number | N839CS |
| Manufacturer | EUROCOPTER DEUTSCHLAND GMBH |
| Model | EC 135 P2+ |
| Year Built | 2013 |
| Manufacturer's Serial Number | 1128 |
| 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 | P&W CANADA |
| Engine Model | PW206B2 |
| Engine Type | Turbo-shaft |
| Number of Engines | 2 engines |
| Horsepower per Engine | 447 hp (333 kW) |
| Total Horsepower | 894 hp (667 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 | 2014-05-23 |
| Certificate Issue Date | 2017-07-25 |
| Last Action Date | 2020-03-06 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 52675014 |
| Mode S Code Hex | AB7A0C |