IEC 61097-2:2021

Global maritime distress and safety system (GMDSS) - Part 2: Cospas-Sarsat EPIRB - Emergency position indicating radio beacon operating on 406 MHz - Operational and performance requirements, methods of testing and required test results

IEC 61097-2:2021

Name:IEC 61097-2:2021   Standard name:Global maritime distress and safety system (GMDSS) - Part 2: Cospas-Sarsat EPIRB - Emergency position indicating radio beacon operating on 406 MHz - Operational and performance requirements, methods of testing and required test results
Standard number:IEC 61097-2:2021   language:English language
Release Date:23-Jun-2021   technical committee:TC 80 - Maritime navigation and radiocommunication equipment and systems
Drafting committee:MT 19 - TC 80/MT 19   ICS number:47.020.70 - Navigation and control equipment

IEC 61097-2
Edition 4.0 2021-06
INTERNATIONAL
STANDARD
Global maritime distress and safety system (GMDSS) –
Part 2: Cospas-Sarsat EPIRB – Emergency position indicating radio beacon
operating on 406 MHz – Operational and performance requirements, methods of
testing and required test results




your local IEC member National Committee for further information.

IEC Central Office Tel.: +41 22 919 02 11
3, rue de
CH-1211 Geneva 20
Switzerland
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.

About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigendum or an amendment might have been published.

IEC publications search - webstore.iec.ch/advsearchform IEC online collection - oc.iec.ch
The advanced search enables to find IEC publications by a Discover our powerful search engine and read freely all the
variety of criteria (reference number, text, technical publications previews. With a subscription you will always
committee, …). It also gives information on projects, replaced have access to up to date content tailored to your needs.
and withdrawn publications.
Electropedia - www.electropedia.org
IEC Just Published - webstore.iec.ch/justpublished
The world's leading online dictionary on electrotechnology,
Stay up to date on all new IEC publications. Just Published
containing more than 22 000 terminological entries in English
details all new publications released. Available online and
and French, with equivalent terms in 18 additional languages.
once a month by email.
Also known as the International Electrotechnical Vocabulary

(IEV) online.
IEC Customer Service Centre - webstore.iec.ch/csc

If you wish to give us your feedback on this publication or
need further assistance, please contact the Customer Service
.
IEC 61097-2
Edition 4.0 2021-06
INTERNATIONAL
STANDARD
Global maritime distress and safety system (GMDSS) –

Part 2: Cospas-Sarsat EPIRB – Emergency position indicating radio beacon

operating on 406 MHz – Operational and performance requirements, methods of

testing and required test results

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 47.020.70 ISBN 978-2-8322-9925-8

– 2 – IEC 61097-2:2021 © IEC 2021
CONTENTS
FOREWORD . 7
1 Scope . 9
2 Normative references . 9
3 Terms, definitions and abbreviated terms . 11
3.1 Terms and definitions . 11
3.2 Abbreviated terms . 11
4 Performance requirements. 11
4.1 Compliance . 11
4.2 General . 12
4.3 Operational . 14
4.3.1 Prevention of inadvertent activation . 14
4.3.2 Immersion, buoyancy and drop into water . 14
4.3.3 Activation . 14
4.3.4 Self-test . 14
4.3.5 Colour and retro-reflecting material. 16
4.3.6 Lanyard . 16
4.3.7 Exposure to the marine environment . 17
4.3.8 Ergonomics . 17
4.3.9 Indication of insufficient battery energy . 18
4.4 Control and indicator functions . 18
4.4.1 Control functions . 18
4.4.2 Indicator functions . 18
4.5 Float-free arrangements . 19
4.5.1 General . 19
4.5.2 External power or data connection . 19
4.5.3 Ability to check the automatic release . 19
4.5.4 Manual release . 20
4.6 Environment for EPIRB . 20
4.6.1 General . 20
4.6.2 Temperature and icing . 20
4.6.3 Wind speed . 20
4.6.4 Stowage . 20
4.6.5 Shock, vibration and other environmental conditions. 20
4.7 Environment for float-free arrangement . 20
4.8 Interference – Electromagnetic compatibility . 21
4.9 Maintenance . 21
4.10 Safety precautions . 21
4.11 Equipment manuals . 22
4.12 Labelling . 23
4.12.1 Equipment labelling . 23
4.12.2 Float-free arrangement labelling . 24
4.12.3 Battery labelling . 24
4.13 Installation . 24
5 Technical characteristics . 24
5.1 Transmitted frequency . 24
5.2 Signal and message format . 24
5.3 Distress message memory . 25

5.4 Beacon identification code . 25
5.5 121,5 MHz homing signal . 25
5.6 AIS locating signal . 26
5.7 GNSS receiver and position reporting . 27
5.8 RLS . 27
5.8.1 RLS capability . 27
5.8.2 RLS self-test . 27
5.9 Power source . 28
5.9.1 General . 28
5.9.2 Battery life and expiry date . 28
5.9.3 Expiry date indication . 28
5.9.4 Reverse polarity protection . 28
5.10 Antenna characteristics . 29
6 Methods of testing and required test results . 29
6.1 General . 29
6.1.1 Purpose . 29
6.1.2 Type approval of EPIRBs operating in the Cospas-Sarsat system . 29
6.1.3 Power supply . 30
6.1.4 Warm-up period . 30
6.1.5 Instructions . 30
6.1.6 Additional facilities . 30
6.1.7 Audible and visual indications . 30
6.1.8 Preparation of EPIRB for type-approval testing . 30
6.1.9 Test conditions . 30
6.1.10 Test sequence . 31
6.1.11 Performance check . 31
6.1.12 Performance test . 31
6.2 General tests . 32
6.2.1 EPIRB . 32
6.2.2 Float-free arrangements . 32
6.3 Operational tests . 33
6.3.1 Prevention of inadvertent activation . 33
6.3.2 Immersion, buoyancy and drop into water . 33
6.3.3 Activation . 34
6.3.4 Self-test . 36
6.3.5 Exterior, colour and retro-reflecting material . 37
6.3.6 Lanyard . 37
6.3.7 Exposure to marine environment . 37
6.3.8 Ergonomics . 38
6.3.9 Indication of insufficient battery energy . 38
6.4 Control and indicator functions . 38
6.5 Float-free arrangements . 39
6.5.1 Release . 39
6.5.2 Test to prevent release when sea water washes over the unit . 39
6.5.3 Construction materials . 39
6.5.4 External power or data connection . 39
6.5.5 Ability to check the automatic release . 39
6.5.6 Manual release .
...

  • Relates Information
  • ISO 8130-9:1992

    ISO 8130-9:1992 - Coating powders
    09-28
  • EN 352-2:2020/FprA1

    EN 352-2:2021/oprA1:2023
    09-28
  • IEC TS 61158-4:1999

    IEC TS 61158-4:1999 - Digital data communications for measurement and control - Fieldbus for use in industrial control systems - Part 4: Data Link protocol specification Released:3/24/1999 Isbn:2831847656
    09-28
  • HD 566 S1:1990

    HD 566 S1:1998
    09-28
  • ISO 5131:1982/Amd 1:1992

    ISO 5131:1982/Amd 1:1992
    09-28
  • EN 60598-2-22:1990

    EN 60598-2-22:1996
    09-27
  • ISO 8504-2:1992

    ISO 8504-2:1992 - Preparation of steel substrates before application of paints and related products -- Surface preparation methods
    09-27
  • EN 12165:2024

    prEN 12165:2022
    09-27
  • IEC TS 61158-6:1999

    IEC TS 61158-6:1999 - Digital data communications for measurement and control - Fieldbus for use in industrial control systems - Part 6: Application Layer protocol specification Released:3/24/1999 Isbn:2831847613
    09-27
  • ISO 4252:1992

    ISO 4252:1992 - Agricultural tractors -- Operator's workplace, access and exit -- Dimensions
    09-27