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BS IEC 61097-2:2021:2022 Edition

BS IEC 61097-2:2021:2022 Edition

$215.11

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

Published By Publication Date Number of Pages
BSI 2022 90
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PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
9 FOREWORD
11 1 Scope
2 Normative references
13 3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
3.2 Abbreviated terms
4 Performance requirements
4.1 Compliance
14 4.2 General
Tables
Table 1 – EPIRB control functions
16 4.3 Operational
4.3.1 Prevention of inadvertent activation
4.3.2 Immersion, buoyancy and drop into water
4.3.3 Activation
4.3.4 Self-test
18 4.3.5 Colour and retro-reflecting material
4.3.6 Lanyard
19 4.3.7 Exposure to the marine environment
4.3.8 Ergonomics
Figures
Figure 1 – Hand sizes
20 4.3.9 Indication of insufficient battery energy
4.4 Control and indicator functions
4.4.1 Control functions
4.4.2 Indicator functions
21 4.5 Float-free arrangements
4.5.1 General
4.5.2 External power or data connection
4.5.3 Ability to check the automatic release
22 4.5.4 Manual release
4.6 Environment for EPIRB
4.6.1 General
4.6.2 Temperature and icing
4.6.3 Wind speed
4.6.4 Stowage
4.6.5 Shock, vibration and other environmental conditions
4.7 Environment for float-free arrangement
23 4.8 Interference – Electromagnetic compatibility
4.9 Maintenance
4.10 Safety precautions
24 4.11 Equipment manuals
25 4.12 Labelling
4.12.1 Equipment labelling
26 4.12.2 Float-free arrangement labelling
4.12.3 Battery labelling
4.13 Installation
5 Technical characteristics
5.1 Transmitted frequency
5.2 Signal and message format
27 5.3 Distress message memory
5.4 Beacon identification code
5.5 121,5 MHz homing signal
28 5.6 AIS locating signal
Figure 2 – AIS and 121,5 MHz signal interleaving
29 5.7 GNSS receiver and position reporting
5.8 RLS
5.8.1 RLS capability
5.8.2 RLS self-test
30 5.9 Power source
5.9.1 General
5.9.2 Battery life and expiry date
5.9.3 Expiry date indication
5.9.4 Reverse polarity protection
31 5.10 Antenna characteristics
6 Methods of testing and required test results
6.1 General
6.1.1 Purpose
6.1.2 Type approval of EPIRBs operating in the Cospas-Sarsat system
32 6.1.3 Power supply
6.1.4 Warm-up period
6.1.5 Instructions
6.1.6 Additional facilities
6.1.7 Audible and visual indications
6.1.8 Preparation of EPIRB for type-approval testing
6.1.9 Test conditions
33 6.1.10 Test sequence
6.1.11 Performance check
6.1.12 Performance test
34 6.2 General tests
6.2.1 EPIRB
6.2.2 Float-free arrangements
35 6.3 Operational tests
6.3.1 Prevention of inadvertent activation
6.3.2 Immersion, buoyancy and drop into water
36 6.3.3 Activation
37 Table 2 – Effective luminous intensity
38 6.3.4 Self-test
Table 3 – Radiant intensity
39 6.3.5 Exterior, colour and retro-reflecting material
6.3.6 Lanyard
6.3.7 Exposure to marine environment
40 6.3.8 Ergonomics
6.3.9 Indication of insufficient battery energy
6.4 Control and indicator functions
41 6.5 Float-free arrangements
6.5.1 Release
6.5.2 Test to prevent release when sea water washes over the unit
6.5.3 Construction materials
6.5.4 External power or data connection
6.5.5 Ability to check the automatic release
6.5.6 Manual release
6.6 Environment
42 6.6.1 Temperature
6.6.2 Icing
6.6.3 Wind speed
6.6.4 Stowage
6.6.5 Shock, vibration and other environmental conditions
6.7 Environment for float-free arrangement
6.8 Interference – Electromagnetic compatibility
6.9 Maintenance
6.10 Safety precautions
6.11 Equipment manuals
43 6.12 Labelling
6.12.1 Equipment labelling
6.12.2 Float-free arrangement labelling
6.12.3 Battery labelling
6.13 Installation
6.14 Technical characteristics
6.14.1 406 MHz signal characteristics
6.14.2 121,5 MHz homing signal
6.14.3 AIS locating signal
6.14.4 GNSS receiver and position reporting
44 6.14.5 RLS
6.15 Power source
6.15.1 Battery capacity test
45 6.15.2 Expiry date indication
6.15.3 Reverse polarity protection
6.15.4 User-replaceable battery
6.16 Antenna characteristics
6.17 Environment
6.17.1 General
6.17.2 Dry heat cycle, of IEC 60945
46 6.17.3 Damp heat cycle, of IEC 60945
6.17.4 Low-temperature cycle, of IEC 60945
6.17.5 Thermal shock tests
6.17.6 Drop test for portable equipment, of IEC 60945
47 6.17.7 Vibration test, of IEC 60945
6.17.8 Ruggedness test
6.17.9 Immersion test, of IEC 60945
48 6.17.10 Solar radiation test, of IEC 60945
6.17.11 Oil resistance test, of IEC 60945
6.17.12 Corrosion test, of IEC 60945
6.18 Interference testing
6.19 Spurious emissions
49 6.20 Compass safe distance
6.21 Conducted interference
50 Annexes
Annex A (normative) Sequence of tests
A.1 Compulsory sequence of tests
51 A.2 Additional tests
52 Annex B (normative) Internal and external navigation devices GNSS receivers
B.1 General
B.2 External navigation devices
53 B.3 Internal navigation receivers
54 B.4 Internal navigation device tests
B.4.1 General
B.4.2 Test description
56 B.4.3 Test facility requirements, test set-up and calibration
Table B.1 – Maritime scenarios
58 Figure B.1 – Test set-up
59 Figure B.2 – Calibration set-up
60 Table B.2 – GPol values
61 B.4.4 Method of measurement
B.4.5 Required results
62 B.4.6 Test results
63 Table B.3 – Maritime scenarios test results
Table B.4 – Maritime scenarios results analysis
64 Table B.5 – Pass/Fail analysis
65 Annex C (normative) Standards for an EPIRB without a float-free mechanism
C.1 Requirements
66 C.2 Tests
67 Annex D (normative) Technical standards for 121,5 MHz homing device
D.1 General
D.2 Performance requirements
D.3 Technical characteristics
68 D.4 Methods of testing and required test results
D.4.1 General
D.4.2 Carrier frequency
D.4.3 Peak effective radiated power
69 D.4.4 Off-ground plane radiated power test
70 D.4.5 Transmitter duty cycle
D.4.6 Modulation characteristics
72 Figure D.1 – Spurious emission mask for 121,5 MHz signal
73 Figure D.2 – Typical modulation waveforms
74 Annex E (normative) AIS locating signal specification
E.1 General
E.2 Performance characteristics
E.2.1 Requirement
E.2.2 Interoperability
E.2.3 Operational functions
75 E.2.4 Unique identifier (user ID)
E.2.5 AIS and other EPIRB transmissions
E.2.6 Output power
E.2.7 Transmission performance
78 E.2.8 Position source and data
E.3 Technical characteristics
E.3.1 Transmitter requirements and characteristics
E.3.2 Link layer requirements
79 E.4 Performance tests
E.4.1 General
E.4.2 Performance requirements
E.4.3 Preparation of the EPIRB for testing
80 E.4.4 Test signals
E.4.5 Modes of operation of the transmitter
E.5 Physical radio tests
E.5.1 General
E.5.2 On-ground plane radiated power
81 E.5.3 Off-ground plane radiated power
E.6 Link layer tests
82 E.7 GNSS self-test mode tests
E.7.1 General
E.7.2 Transmission with GNSS data available
E.7.3 Transmission without GNSS data available
83 Annex F (informative) Symbols
86 Annex G (informative) IEC 61162-1 RLM sentence notes
88 Bibliography

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