Apparently, when the capt of the 753 became ill, the acting F/O who was apparently also a captain giving UOE (upgrade operating experience) to the deceased asked if any pilots were on board. A 150 hour private pilot answered the call.
http://www.airportbusiness.com/artic...tion=3&id=9926
My thing is this...how does this scenario reconcile with the rules about not letting non-crewmembers into the flight deck? How did he know this guy wasn't a terrorist, etc? On a lighter note, there probably isn't one of us on this forum who hasn't dreamed of this very scenario.