This is more a question for Vitek than anyone else. (I could have PM'd him, but I figured the response may be generally useful).
The question is this: G3 has its altitude, which refers to altitude above sea level. Does this actually matter in terms of the flight model? ie. G3 actually simulates the differences due to air density changes caused by changes in altitude -- like how engines experience a drop in power output as the air gets thinner, prop efficiencies change with changes in air density, things like that.
Or is the altitude really just a number referring to how high the model is above a point called 'sea level', and the model's 'altitude' doesn't really have any bearing on the engine's power/prop efficiency, and there is no difference in other kinds of flight behavior due to thinner/thicker air.
I ask this because I live at a relatively high altitude, and often fly at even higher altitudes. And I wonder if G3 even attempts to account for the somewhat different flight characteristics I would see flying at a ground elevation of 10,000 feet versus if I were to fly the same model at sea level.
Of course, what would be a neat feature is if G3 could look up a pilot's local weather on the internet, and match the weather, cloud density, position of the sun, winds, etc. with what is actually outside...
Neat, but probably not practical... Besides, if it's raining outside, that would make it rain in the sim.
Hmmm... flying in a thunderstorm... or a hurricane. That cold be fun...
The last thing I want in a heli is a few loose screws.