The cases who have need of a catheter or similar equipment , or a flight doctor utlilize air ambulance specialists. In fact , medivac fleets are utilised as these case patients are unable to fly with the everyday air travel charters .. because they have need of a flight doctor , and/or ventilator support. Outpatients require a catheter or similar equipment and/or a top notch EMT and flight paramedic : and they do not want to go by the your usual big airline services. Since it is possible to have members of the general public who are unable to be onboard your usual planes, there always are charters that can transport a patient with two hours notice in non-emergency cases. Individuals frequently will look around for air ambulance businesses with a trained hospital case worker.