The cases that are not good to be moved on regular planes . This is usually because these people are categorized to be not in non life or death circumstance are flown by air evac crews. Actually , med flight charters are contracted precisely because they are unable to be sent by the usual air charter services . That is since these cases are not in a medically self sustaining condition. There are individuals who call for a catheter and other equipment .. and therefore they do not want to be sent by the public charter airliners. So many patients that need special operations are delighted as they discover that air evac crews help transfer patients. Medical air evacuation operations are found by the son or daughter of the patients with a licensed insurance case worker.