Sat on the left-hand side of a DC10 in 1981, scared sh*tless.
Am not a member of the Gordon Vette fanclub, but pages 191 to 196 of "Impact Erebus" provide an excellent description of what was involved.
And it wasn't uncommon to go around the Checkerboard course and be a little bit off, you often were required to do this:
http://www.youtube.com/watch?v=pMOCAfSMnqQ