PorcoRossa,
Your idea is fine for a light aircraft with limited range, but some of these guys are flying longhaul airliners in the corporate world.
While there is an international standard for Air Traffic Control procedures, there are momumental differences in aviation law and regulations from country to country.
It is not possible for an FAA licenced crewmember flying an N registered aircraft to follow JAA regulations.
Will Rodgers, "The World".
Mutt. <img src="smile.gif" border="0">