There are private air ambulance establishments which help transfer patients in the US. As these individuals are in need of respiratory support or a flight EMT and an emergency-trained flight doctor , airevac services are a must. Elderly people call for advanced cardiac life support while they fly by aircraft. The patients that are helped by jet ambulance businesses are visiting away from their own country and/or have a medical necessity of being transferred. Cases occasionally look around for air ambulance service rocky mountain colorado with the help of the yellow pages.