It was a March afternoon and all was quiet in the clear Midwestern skies. It was too early in the season for thunderstorms to be a problem, and traffic was light. The Gulfstream passing through the controller's sector was still more than 100 miles from its destination, but soon the pilot would begin his descent. ``Gulfstream eight-five-Sierra,'' came the controller's call. ``Descend at pilot's discretion, maintain FL 310.'' ``Roger, FL 310 at pilot's discretion.'' Apparently the ...


You must be a paid subscriber to access "When Talk Is Cheap: Missed Communications and Colliding Aircraft".


Current Aviation Week Intelligence Network (AWIN) enterprise and individual members: please go to for access.


Not currently a subscriber? Click on the "Learn More" button below to view subscription offers.

Already registered? here.