Originally Posted by
ricardian
"deferred" used to be the lowest possible precedence on a signal (remember F.Sigs.52?). Originally the precedences were Flash, Emergency, Operational Immediate, Priority, Routine and Deferred. These were "rationalised" in the 1960s and became Flash, Immediate, Priority and Routine.
Every day's a learning day - I didn't know the 'old' precedences. (I was thinking of the vogue for calling failed exams a "deferred success")