Those people occasionally will try to search for medivac specialists with the hospitals air ambulance list. As these patients are noncitizens and/or have a medical necessity to be transported , medical flight outfits must be coordinated with. People call for a respiratory therapist ; and they are unable to go by the normal airplanes. Periodically there are bedridden patients that hire private air ambulance companies because these patients have a medical necessity of being transferred and/or are with equipment specific to patients’ needs. There are jet ambulance establishments which help patients in the US.