MIL”A-15303P(SH)
19 November 1986
SUPERSEDING
.
*
Beneficial comments (recommendations,additions,
deletions) and any pertinent
data which may be of use in improving this document should be addressed to:
Commander, Naval Sea Systems Command,
SEA 55Z3, Department of the Navy,
Washington, DC 20362-5101 by using the self-addressed StandardizationDocument
Improvement Proposal (DD Form 1426) appearing at the end of this document
or by letter.
MIL-A-15303N(SHIPS)
20 July 1976
(See 6.8)
MILITARY SPECIFICATION
AUDIBLE SIGNALS:
ALARMS, BELLS, BUZZERS, HORNS, AND SIRENS,
ELECTRONIC, SHIPBOARD
This specification is approved for use within the Naval Sea Systems Command,
Department of the Navy,
and is available for use by all Departments and
Agencies of the Department of Defense.
1.
SCOPE
1.1 Scope. This specification covers various types of audible signals
for alarm and signaling purposes on Navy ships.
1.2 Classification.
The types of audible signals shall be designated in
the following form,
as specified (see 6.2.1):
IC/BIDl
“IC/” is the basic part of each audible signal designator, B indicates the
general type of signal (see 1.2.2), 1 indicates special characteristicsof the
general type (see 1.2.3), D indicates type of supply current (see 1.2.4) and 1
indicates the supply voltage (see 1.2.5).
When an audible signal may be used at
more than one type of supply current,
a combination of designators may be used
in the type designation.
1.2.1 Basic indicator.
The basic indicator for Naval interior communica-
tion equipment shall be “IC/”.
1.2.2 General type. General type of signal shall be designated by a single
letter as follows:
B - Bell
z- Buzzer
H - Horn
s- Siren
E- Electronic
AMSC N/A
FSC 6350
DISTRIBUTION STATEMENT A Approved for public release; distribution unlimited
