What is the function of a PASS device?

• A. To alert others if a firefighter is in distress or motionless
• B. To monitor air quality
• C. To regulate water flow
• D. To augment radio communications

Answer: (A)

A PASS device is a Personal Alert Safety System that will alert others if a firefighter is in distress or motionless. It monitors movement and, if the wearer stops moving for a preset time or if the device is manually activated, it emits a loud alarm and often flashing lights. This rapid audible/visual signal helps teammates locate and reach a firefighter who may be incapacitated in smoke, heat, or darkness, enabling a swift rescue. It works in conjunction with the breathing apparatus to provide safety on the fire ground. It's not meant to measure air quality, regulate water flow, or boost radio communications, which are handled by the SCBA, hoses, and radios respectively.