Apparatus, Gear & SCBAAKA: PASS device, alert system, safety alarm

PASS Device

A Personal Alert Safety System (PASS) is an electronic distress alarm intended to help rescuers locate a firefighter who becomes motionless or manually activates the emergency alarm. Modern PASS funct…

Definition & Operational Usage of PASS Device

What Is PASS Device?

A Personal Alert Safety System (PASS) is an electronic distress alarm intended to help rescuers locate a firefighter who becomes motionless or manually activates the emergency alarm. Modern PASS functions are commonly integrated with SCBA systems, although equipment configuration varies. NFPA 1970 contains performance requirements for PASS devices, including sensing, alarm, durability, and environmental testing.

⚠️ Operational Safety Warning:Always manually activate if trapped before the 30-second timer lapses.

Why PASS Device Matters on the Fireground

Allows Rapid Intervention Crews to quickly locate incapacitated personnel in zero-visibility IDLH atmospheres.

Relevant NFPA Standards

  • NFPA 1970: Standard on Protective Ensembles for Structural and Proximity Firefighting, Work Apparel, Open-Circuit Self-Contained Breathing Apparatus (SCBA) for Emergency Services, and Personal Alert Safety Systems (PASS)

Field Procedures & Tactical Steps

  1. Turn on SCBA cylinder to auto-activate.
  2. Listen for ascending pre-alarm at 20 seconds.
  3. Shake device to reset pre-alarm.
  4. Press manual panic button if disoriented.
  5. Sweep area with TIC if searching for a sounding PASS.

Common Context & Application

Used during IDLH operations as part of a firefighter's personal safety equipment and commonly integrated with modern SCBA assemblies.

Frequently Asked Questions about PASS Device

What triggers the pre-alarm?
20 seconds of immobility.
Can it be manually activated?
Yes, via the red emergency button.
Is the alarm directional?
The high pitch can bounce, making exact localization tricky without thermal imaging.

Other Names for PASS Device

PASS devicealert systemsafety alarmPASS

PASS Device may also appear in training materials, NFPA standards, or department SOPs as: PASS device, alert system, safety alarm, PASS.

Category:Apparatus, Gear & SCBA — PPE, SCBA, apparatus components, hose, nozzles, tools, and operational equipment terminology.
🔥 Live Tracker

Watch Active Wildfires — Live

Real-time map, acreage, and containment for every major U.S. wildfire, updated from official NIFC data.

View Live Map →