IEC 61097-5:1997

Global maritime distress and safety system (GMDSS) - Part 5: Inmarsat-E - Emergency position indicating radio beacon (EPIRB) operating through the Inmarsat system - Operational and performance requirements, methods of testing and required test results

Specifies the minimum operational and performance requirements, technical characteristics, methods of testing and required test results of the satellite emergency position indicating radio beacon used in the Inmarsat-E satellite system.

General Information

• Status: Withdrawn
• Publication Date: 25-Nov-1997
• Withdrawal Date: 09-Jan-2008
• ICS: 33.060.20 - Receiving and transmitting equipment
• Technical Committee: TC 80 - Maritime navigation and radiocommunication equipment and systems
• Drafting Committee: WG 8 - TC 80/WG 8
• Current Stage: WPUB - Publication withdrawn
• Completion Date: 10-Jan-2008

Standards Content (Sample)

INTERNATIONAL
IEC
STANDARD 61097-5
First edition
1997-12
Global maritime distress and safety
system (GMDSS) –
Part 5:
Inmarsat-E – Emergency position indicating
radio beacon (EPIRB) operating through the
Inmarsat system – Operational and performance
requirements, methods of testing and required
test results
Système mondial de détresse et de sécurité
en mer (SMDSM) –
Partie 5:
Inmarsat-E – Balises radioélectriques de position de détresse
du système Inmarsat – Exigences d’exploitation et de
fonctionnement, méthodes d’essai et résultats d’essai exigés

Reference number
IEC 61097-5: 1997(E)
Numéros des publications Numbering

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sont numérotées à partir de 60000. issued with a designation in the 60000 series.

Publications consolidées Consolidated publications

Les versions consolidées de certaines publications de Consolidated versions of some IEC publications

la CEI incorporant les amendements sont disponibles. including amendments are available. For example,

Par exemple, les numéros d’édition 1.0, 1.1 et 1.2 edition numbers 1.0, 1.1 and 1.2 refer, respectively, to
indiquent respectivement la publication de base, la the base publication, the base publication

publication de base incorporant l’amendement 1, et la incorporating amendment 1 and the base publication

publication de base incorporant les amendements 1 incorporating amendments 1 and 2.

et 2.
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et littéraux symbols
En ce qui concerne la terminologie générale, le lecteur For general terminology, readers are referred to
se reportera à la CEI 60050: Vocabulaire Electro- IEC 60050: International Electrotechnical Vocabulary
technique International (VEI). (IEV).
For graphical symbols, and letter symbols and signs
Pour les symboles graphiques, les symboles littéraux
et les signes d'usage général approuvés par la CEI, le approved by the IEC for general use, readers are
lecteur consultera la CEI 60027: Symboles littéraux à referred to publications IEC 60027: Letter symbols to
utiliser en électrotechnique, ymboles be used in electrical technology, IEC 60417: Graphical
la CEI 60417: S
graphiques utilisables sur le matériel. Index, relevé et symbols for use on equipment. Index, survey and
compilation des feuilles individuelles, et la CEI 60617: compilation of the single sheets and IEC 60617:
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d'études qui a établi la présente publication. present publication.
* Voir adresse «site web» sur la page de titre. * See web site address on title page.

INTERNATIONAL
IEC
STANDARD
61097-5
First edition
1997-12
Global maritime distress and safety
system (GMDSS) –
Part 5:
Inmarsat-E – Emergency position indicating
radio beacon (EPIRB) operating through the
Inmarsat system – Operational and performance
requirements, methods of testing and required
test results
Système mondial de détresse et de sécurité
en mer (SMDSM) –
Partie 5:
Inmarsat-E – Balises radioélectriques de position de détresse
du système Inmarsat – Exigences d’exploitation et de
fonctionnement, méthodes d’essai et résultats d’essai exigés

 IEC 1997 Copyright - all rights reserved
No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including
photocopying and microfilm, without permission in writing from the publisher.
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– 2 – 61097-5 © IEC:1997(E)
CONTENTS
Page
FOREWORD . 5

Clause
1 Scope . 6

2 Normative references. 7

3 Definitions and abbreviations. 8
3.1 Definitions . 8
3.2 Abbreviations . 10
4 General and operational requirements. 10
4.1 Purpose . 10
4.2 General . 11
4.3 Operational . 11
4.4 Float-free release . 12
4.5 Maintenance. 12
4.6 Safety precautions. 12
4.7 Safety from electromagnetic RF radiation. 12
4.8 Equipment handbook . 12
4.9 Labelling . 13
4.10 Installation. 14
5 Technical characteristics. 14
5.1 Purpose . 14
5.2 General . 14
5.3 Operational . 14
5.4 Manual distress alert initiation. 15
5.5 Float-free arrangements . 16
5.6 Transmission delay on activation . 16
5.7 Satellite signal frequency. 17
5.8 Technical characteristics and message format . 17
5.9 Distress message. 18

5.10 Ship station identity . 18
5.11 Test facilities . 18
5.12 Modulation, frequency shift and coding . 19
5.13 Antenna characteristics . 19
5.14 Radiation and output power . 19
5.15 Total transmission duration. 19
5.16 Duty cycle . 19
5.17 Power source . 20
5.18 Environment . 20
5.19 Safety precautions. 21
5.20 Interference EMC . 21
5.21 Compass safe distance . 21

61097-5 © IEC:1997(E) – 3 –
Clause Page
6 Methods of testing and required test results . 21

6.1 General . 21

6.2 Test frequency . 22

6.3 Additional facilities. 22

6.4 Test arrangements . 22

6.5 Test conditions . 23

6.6 Normal test conditions . 23

6.7 Extreme test conditions . 23
6.8 Climatic control systems. . 23
6.9 Test sequence. 23
6.10 Performance check. 24
6.11 Performance test. 24
6.12 Performance criteria . 24
6.13 Measurement uncertainty. 24
7 Environmental tests. 25
7.1 General . 25
7.2 Dry heat . 25
7.3 Damp heat . 25
7.4 Low temperature . 25
7.5 Thermal shock. 25
7.6 Immersion . 25
7.7 Drop test into water . 25
7.8 Vibration. 25
7.9 Ruggedness . 26
7.10 Rain . 26
7.11 Solar radiation . 26
7.12 Oil resistance . 26
7.13 Corrosion . 26
7.14 Safety criteria for batteries. 26
8 Tests of technical characteristics. 27
8.1 General . 27
8.2 Power source capacity test at low temperature test . 30

8.3 Antenna characteristics, radiation and output power. 30
8.4 Output power under extreme test voltage. 31
8.5 Transmitter. 32
8.6 Signal format. 33
8.7 Antenna mismatch. 33
9 Safety . 33
9.1 Electromagnetic RF radiation.
...