SLD45I10-2501 — Installation Notification And Warning System (inws)

SLD45I10-2501 governs the Installation Notification and Warning System and attached Mass Notification Systems.

Search SLD45I10-2501

  • Publication number: SLD45I10-2501
  • Title: INSTALLATION NOTIFICATION AND WARNING SYSTEM (INWS)
  • Date: 2023-02-01

View SLD45I10-2501 on armypubs.army.mil


It covers AtHoc Alerts, the PSFB and CCSFS Giant Voice, and the Cape Aural Warning System. It establishes alert authorities, system responsibilities, notification uses, and announcement requirements.

Applies to: This Instruction applies to all assigned military personnel (active duty and traditional reservists, guard, etc.), non-bargaining federal civilian employees, Mission Partners and Tenant units on PSFB, CCSFS, and GSUs.

Topics covered

  • Installation Notification and Warning System
  • AtHoc Alerts
  • Giant Voice announcements
  • Cape Aural Warning System
  • Mass Notification Systems
  • Emergency information alerts

Questions and answers

What types of notifications does the PSFB/CCSFS INWS provide?

The PSFB/CCSFS INWS provides the SLD 45/CC with reliable, rapid, and broad-based methods to deliver time-sensitive notifications to PSFB, CCSFS, and/or GSUs assigned personnel. (paragraph 1)

What does the AtHoc system provide?

The “AtHoc” system provides C2 nodes with the ability to rapidly activate the INWS. (paragraph 3)

What is the Giant Voice system capable of doing?

The PSFB AND CCSFS Giant Voice is a base-wide Public Address (PA) system with the capability to play warning tones, and pre-recorded voice announcements. (paragraph 3)

How does the Cape Aural Warning System make announcements?

The CAWS makes PA announcements on buildings internal public address systems and several outdoor speakers. (paragraph 3)

Who is the declaration authority for delta-level or higher INWS alerts?

Is the declaration authority for all delta-level or higher INWS alerts. (paragraph 4)

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