A medical helicopter is a specially equipped helicopter that is used to transport sick or injured people to hospitals quickly. It is like an ambulance in the sky, providing emergency medical care to patients during the flight. Full definition
Best of all though, virtual races don't have to be cancelled because of bad conditions or because the virtual medical helicopter can't virtually fly. (wtf1.com)
Waller was transferred from northern Michigan to Detroit by medical helicopter in critical condition. (sciencedaily.com)