The British Columbia Ambulance Service (BCAS) is the sole ambulance service and provider of pre-hospital emergency care in the province of British Columbia. BCAS is managed by British Columbia Emergency Health Services (BCEHS) and falls under the jurisdiction of the Provincial Health Services Authority (PHSA). The service is tasked with the provision of emergency medical response province-wide. Today, BC Ambulance is the largest Emergency Medical Services (EMS) provider in Canada and one of the largest in North America with a fleet of more than 480 ground ambulances operating from 187 stations across the province along with 47 support vehicles. BCAS provides inter-facility patient transfer services in circumstances where a patient needs to be moved between health care facilities for treatment. BCAS also operates an airevac program that utilizes both fixed-wing and rotary aircraft.