In Qld there is Careflight at Cooly, set up with a Learjet to do medical retrievals. Lookup 'Careflight'. Get a 2nd mortgage.
Apart from that, check these out
http://www.alltheautomotive.com/Sear...ir%20Ambulance
When you've done with those, have cuppa and a lie-down, then book him on a commercial flight (with a medical clearance). Patient retrievals are major bucks; unless you're a pollie, a filmstar or have appropriate medical insurance, forget it.