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Data updated: 20 Jan 2026.
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Document ID:
MIL-DTL-15303
Scroll down to access document images
Overview
Title:
Audible Signals: Alarms, Bells, Buzzers, Horns, and Sirens, Electronic, Shipboard
Scope:
This specification covers various types of audible signals for alarm and signaling purposes (bells, buzzers, horns, sirens, and electronic) for Naval shipboard use.
Status:
Active
Document Date:
27-FEB-2025
Next Review Due:
26-FEB-2030
FSC/Area:
6350
Doc Category:
Detail Specification
Qualification
Responsibilities
Lead Standardization Activity:
CR4
US Army Combat Capabilities Development Command, C5ISR Center
Preparing Activity:
SH
Naval Sea Systems Command (Ship Systems)
Coordination:
Limited
Navy Custodian:
SH
Naval Sea Systems Command (Ship Systems)
Amendments to military specifications or specification sheets issued after August 1, 2003 are incorporated in the modified document.
Revision History
Click on column headings for a description of column content.
Media
Document Part Description
Dist Stmt
Document Date
Pages
Size
Revision T Notice 1 - Validation
A
27-FEB-2025
1
1.9 KB
Revision T Amendment 1 (amendment incorporated)
A
28-APR-2020
34
999.6 KB
Revision T
A
12-NOV-2019
34
1005.4 KB
Revision R
A
12-APR-2016
19
263.4 KB
Revision P
A
19-NOV-1986
24
1438.9 KB
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WARNING: UNAUTHORIZED ACCESS TO THIS UNITED STATES GOVERNMENT COMPUTER SYSTEM AND SOFTWARE IS PROHIBITED BY PUBLIC LAW 99-474 (THE COMPUTER FRAUD AND ABUSE ACT OF 1986) AND CAN RESULT IN ADMINISTRATIVE, DISCIPLINARY OR CRIMINAL PROCEEDINGS.