Please see the most recent updates in the "Where did the .com name go?" thread. Posts number 16 and 17.
In actual practice I only use FS Scene so can't provide a practical answer.
However, according to the Hitchhikers Guide to the Galaxy, execution of all three at the same time might well fry the infinite improbability drive resulting in your plane resembling a tangled ball of yarn - or worse - the complete destruction of Earth.:isadizzy: