According to NFPA 403, ARFF units must initiate extinguishment within what time frame?

• A. 30 seconds
• B. 60 seconds
• C. 90 seconds
• D. 120 seconds

Answer: (B)

According to NFPA 403, the standard specifies that Aircraft Rescue and Firefighting (ARFF) units must initiate extinguishment within 60 seconds of arriving at an incident. This time frame is critical because rapid response and quick action during an emergency can significantly mitigate the effects of a fire involving aircraft, where intense heat and hazardous materials pose immediate threats to life and property.

Initiating extinguishment within this timeframe ensures that the ARFF units can effectively engage and manage potential fire situations that may escalate quickly in the presence of aviation fuel and other combustible materials. This standard is reflective of best practices in emergency response, emphasizing the importance of speed in protecting lives and minimizing damage.

In contrast to the other time frames provided, such as 30 seconds, 90 seconds, and 120 seconds, the 60-second guideline strikes a balance between practical operational capabilities and the urgent need for timely intervention in critical fire scenarios at airports. Adhering to this standard is an essential component of ARFF operations, directly influencing the overall effectiveness of the firefighting efforts.