Halbert,
I understand the distance aspect, but Germany, for example, has a special flying "ambulance" for moving patients long distances.
Alf
Should be a photo of the interior here - hopefully the link will work:
https://www.mz-web.de/image/36480806/max/600/450/e988fbf84f18da71dbb891a7e54c6d55/wi/medevac.jpg