What is a key feature of ARFF firefighting equipment?

A key feature of Airport Rescue Fire Fighter (ARFF) firefighting equipment is its ability to carry large amounts of foam concentrate. Foam is critical in extinguishing fuel-related fires typically encountered at airports, such as those involving aviation fuel or other flammable liquids. The foam creates a blanket that smothers the fire, helping to prevent re-ignition by cutting off the oxygen supply and cooling the temperature of the burning material. This capability distinguishes ARFF from traditional firefighting equipment, which may rely more heavily on water alone.

The other options do not encapsulate the primary function and feature of ARFF equipment. While standardized response protocols are important for ensuring a coordinated response, they do not represent a physical characteristic of the equipment itself. The exclusive use of water as a firefighting agent is limiting, as ARFF operations require the versatility of foam. Lastly, the deployment of fire blankets is not a universal practice, as they may not be suitable in all fire scenarios, particularly those involving flammable liquids. Therefore, the emphasis on foam concentrate capacity is a defining advantage of ARFF firefighting capabilities.