Ski patrols are organizations that provide medical, rescue, and hazard prevention services to the injured in ski area boundaries, or sometimes beyond into backcountry settings. Many have technical-medical certifications, such as Outdoor Emergency Care (OEC) provided by the National Ski Patrol (USA), that are specific to the winter-season environment and providing emergency medical services in remote locations. Many patrollers also hold EMS issued credentials, such as emergency medical technician or any other pre-hospital care certification. Due to the remote location and terrain, transportation is often limited to Rescue toboggan, snowmobile, or, for life-compromising injuries or extremely remote terrain, helicopter rescue. Depending on the ski area terrain, ski patrollers can be versed in