Code on Alerts and Indicators, 2010 Edition (IB867E)

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Published Date

October 2010

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Code on Alerts and Indicators, 2010 Edition (IB867E)

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This publication provides general design guidance and promotes uniformity of type, location and priority for alerts and indicators required by the SOLAS Convention, and by the MARPOL Convention, including relevant performance standards, and by other associated instruments and codes. The Code will benefit designers and operators by consolidating the references to priorities, aggregation, grouping, locations and types of shipboard alerts and indicators.

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This Code updates, revises and replaces the Code on Alarms and Indicators, 1995.



Resolution A.1021(26) (adopted on 2 December 2009)


Code on Alerts and Indicators, 2009

Purpose and scope




Audible presentation of alerts and calls

Visual presentation of indicators and calls


Requirements for particular alarms

Grouping and aggregation of alerts and indicators

Alert and indicator locations


Appendix Sample of indicator columns with dimensions (mm)

A​​s a specialized agency of the United Nations, IMO is the global standard-setting authority for the safety, security and environmental performance of international shipping. Its main role is to create a regulatory framework for the shipping industry that is fair and effective, universally adopted and universally implemented.  

In other words, its role is to create a level playing-field so that ship operators cannot address their financial issues by simply cutting corners and compromising on safety, security and environmental performance. This approach also encourages innovation and efficiency.

Shipping is a truly international industry, and it can only operate effectively if the regulations and standards are themselves agreed, adopted and implemented on an international basis. And IMO is the forum at which this process takes place.

Title: Code on Alerts and Indicators, 2010 Edition (IB867E)
Edition: 2010
Number of Pages: 52
Product Code: MM1279K
ISBN: ISBN 13: 9789280115260, ISBN 10: 928011526X
Published Date: October 2010
Binding Format: Paperback
Book Height: 210 mm
Book Width: 150 mm
Book Spine: 4 mm
Weight: 0.20 kg
Author: IMO

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