The need for separation Typically, a helicopter used in the Helicopter Emergency Medical Service (HEMS) has a crew that can manage one critically ill patient at a time. Where an incident has multiple casualties needing a critical care response, multiple helicopters can be tasked to the same incident. In addition, other types of emergency aviation […] The post Aerial teamwork – Practical tips for working together by staying apart in emergency aviation first appeared on Rotary Wing Geek.