On 16.04.2012 15:23, Sean Galbraith wrote: > Have a look/listen to this: > http://Ta4ksim.no-ip.org/Random/a4altitude.wav holy beep, batman! if you're not reacting hearing this tone, you're unconscious or worse :) sounds good to me, but I don't know the original tone. I would definitely put it into my sim. greetings michi