Originally Posted by FlyerJosh

I've had two wake turbulence encounters in my professional flying career. The worst was 12 miles in trail of a 747-400 on the same route. He descended through our altitude and the wake was enough to upset the aircraft to 7 degrees nose up and 97 degrees of right bank. On the recovery, we hit the other side and went to 4 degrees of nose down and 112 degrees of left bank.

Fortunately nobody was hurt. I did spill my coffee though... right onto the Fed that was riding jumpseat with us that day. Doh.