Medical air evacuation outfits can be contacted by spouses of patients without the help of a hospital volunteer. What is more , fixed wing air ambulance services are a necessity occasionally considering the issue that they are not good to be transferred by everyday airline outfit ; when these are people that have need of a full emergency care setup or a flight paramedic. Hospitalized patients require an emergency room setup .. and these are the patients that do not want to be transported by the regular commercial airliners. Case patients who seek the services of medivac specialists cannot be transported on the normal planes — because of the fact that these are men or women that necessitate ventilator support , and a paramedic. It is commonly known within the field and profession of emergency medicine how airevac businesses can transport a patient with two hours notice.