Our chopers have portable ct on them. They can do a quick xrays and see whats goin on in there. We have had them come in do that they decide its not major they pack up and go home we transport. SO if they get there decide that its major they take it or we take it. OUr area they just got a choper 35 miles away so they have there AUTO LUNCH established that there dispatch moniters ours and they make the call to auto lunch or not. If we don;t need them we just call um off