Ed,

Our general purpose RC gas engines have a lot wider performance envelope than most people think. Fuel injection or turbos are probably not required. He might fall a little short of his desired altitude being normally aspirated with a generally stock carb, but likely not by much.

If he's really interested in this kind of stuff he ought to send a letter to his Prime Minister to see if there are any research or ops positions open in his country that he could avail himself of.