CTN Governmental & Military Abbreviation

Caution

A period in racing in which track conditions are too hazardous for racing due to an accident or debris on the racing surface. The cars remain in their racing positions behind the pace car until it is determined that it is safe to resume the race. Or A signal which alerts the operator to an impending dangerous condition requiring attention, but not necessarily immediate action (from MIL-STD-1472D); an annunciator that is more critical than an advisory but less critical than a warning;