Originally Posted by
Monkey Madness
and the military have nothing that high?? I'll wager that, at times, they have traffic higher. I've certainly assisted a controller working a track at FL500 in the descent! (took bloody ages too... coffee went cold!)
Obviously wasn't a Tornado F3 then
From the height & speed sounds like one of those ssshhh, Mums the word, American 'reconnaissance' flights.
BD