What is the primary purpose of using PASS devices during operations?

The primary purpose of using PASS (Personal Alert Safety System) devices during firefighting operations is to alert others in case of firefighter distress. These devices are designed to emit a loud alarm when they detect that a firefighter has remained motionless for a certain period of time, which can indicate that the firefighter may be down or incapacitated.

When a firefighter is in a hazardous situation, especially in environments with reduced visibility, high temperatures, or potential structural collapse, a PASS device becomes critical for ensuring safety. It allows team members to quickly locate and assist a downed firefighter, therefore enhancing overall survival rates in emergencies. The audible alarm can be heard by nearby personnel, prompting an immediate response.

While other devices and tools might extinguish fires effectively, enhance team communication, or monitor air supply levels, those functions do not align with the primary goal of the PASS device, which specifically focuses on alerting personnel to potential distress situations in the field.