The Benioff Children's Hospital is a hospital system in Oakland affiliated to the University of California, San Francisco (UCSF). This 2013 Airbus EC135P2+ N838CS is now operated by Reach Air Medical Services and serves Benioff Children's Hospitals rooftop helipads in Oakland and San Francisco. Prior to the opening of the new UCSF Medical Center at Mission Bay (and a roof top helipad) in 2015, air ambulances flying to San Francisco hospitals had to land at SFO and transfer patients to a ground ambulance. REACH Air Medical Services bought CALSTAR's 14 helicopter EMS program in Oct. 2014. Ex-N135KJ and D-HECN.