RVSM was introduced Europe-wide on 24 Jan 02. The UK already introduced it some many months before, since the UK is on the periphery of Europe <img border="0" title="" alt="[Roll Eyes]" src="rolleyes.gif" /> .. .. .See <a href="http://www.eur-rvsm.com/" target="_blank">http://www.eur-rvsm.com/</a> for all the info.