I realize that the thread has gone a little off on a tangent but..
Cactus Jak
Are the RFDS King Air 200C's loaded that heavy with gear (stretchers etc) that it couldn't take off from Mt Gambier with 2 crew, a patient and medical attendant (doctor/nurse whatever) and have sufficient fuel for Sydney.
Without holding or alternate it would only have needed around 2500lb of fuel. (Serious question)
Re the two crew issue it is interesting to see that the Flight Safety CFIT Checklist Risk Assessment applies a 1.5 multiplier for Single Pilot Ops whereas, to supply a comparison, only gives a 1.2 multiplier for a flight crew with a duty day a max and ending with a night non precision approach.
"playboyfree", conditions for the various RFDS Divisions can be found at
http://www.wagenet.gov.au. Just type in Royal Flying Doctor in the search function.