What is the specification for the AFFF symbol?

The specification for the AFFF (Aqueous Film-Forming Foam) symbol is indeed an 18" green square with white 3" lettering. This designation is important for identification and safety in aviation environments where the foam is used to combat flammable liquid fires. The green color signifies safety and is consistently used to indicate firefighting agents and equipment.

Proper identification and differentiation of firefighting foam are crucial in emergencies to ensure that personnel can quickly locate and utilize the appropriate fire suppression systems. The size and color of the symbol are standardized to promote recognition and facilitate swift action in situations where time is critical.

Utilizing a green square effectively distinguishes AFFF from other fire suppression materials, ensuring that crews understand what type of firefighting agent is available and can deploy it effectively under pressure.