Sometimes there are individuals that hire medical flight companies due to the fact that these men or women need IV solutions and infusion sets. As these patients are not good to go by your usual air travel charters — since they are not in a non-critical situation , private air ambulance crews must be coordinated with. Those people are dependent on an experienced flight staff and emergency medical technician , and/or a foley catheter and other equipment while they travel. When persons are unable to be transported on everyday airline services . That is when these men or women would be defined as being not in stable circumstance, there almost always are fleets who are available to be hired for any predicament. Those often search for air evac companies with a qualified hospital volunteer.