HowardRoark2
You wrote: <<No, I'm just looking for specifics on U.S. ATC proceedures Pre 9/11 for a commercial flight that "veered off course"
Obviously the Air Force doesn't scramble jets every time this happens. How were these incidents handled?>>
Whatever the procedures were at the time, the controllers may have been confused by not one but several hijack scenario exercises being carried out in the area at the time according to some reports though not widely reported in the major media. Perhaps you could satisfy yourself as to existence of these exercises as they could help you with your query.