The first national insignia used by what was then the RFC was the union flag painted on the wings of their aircraft. Unfortunately the most visible part of the flag was the St George's cross. FLAGGING TAPE - 12-ROLL CARTONS (4-Carton Combined Minimum) - Identi-Tape has UV resistant PVC flagging tape in 14 solid colors and 14 patterns. This ribbon is used for surveying, search & rescue, access & trail marking, forestry, environmental studies, and triage. "Glow" colors fluoresce beneath a black-light (UV).
Tape must meet regulations required for marking of hazardous areas. Regulations state the safety color code for marking physical hazards. Red must be the basic color for the identification of danger. Yellow must be the basic color for designating caution. Know what the tape definitions mean: Caution: Careful forethought to avoid danger or harm.