In a message dated 25/05/2007 19:59:01 GMT Daylight Time, gwinsk@xxxxxxx writes: Perhaps easier than having it pickup data from the Vspeed gauge would be a separate gauge, say a small indicator on which a speed bug could be set. The Vr, the more impacting value, could be read from the Vspeed gauge, by the user, and the new gauge speed bug set. When it reached that speed a light would come on. Gerry Winskill Sorry, don't go along with that, easier if it all works automatically. Frank T.