When can one look to use air ambulance enid oklahoma ? As these case patients are dependent on a EMT , air evac crews are required. Those few people often will look around for med flight companies as they are not being helped by a hospital case worker. There are men or women who need ventilator support when they fly in a airline. Elderly people who are specified as being afflicted although they are in a medically self sustaining condition are flown by med flight services. Not often there are fixed wing air ambulance outfits which are available to help those in need in whatever state they need the service.