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BS IEC 61097-2:2021 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, 2022
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- CONTENTS
- FOREWORD
- 1 Scope
- 2 Normative references
- 3 Terms, definitions and abbreviated terms [Go to Page]
- 3.1 Terms and definitions
- 3.2 Abbreviated terms
- 4 Performance requirements [Go to Page]
- 4.1 Compliance
- 4.2 General
- Tables [Go to Page]
- Table 1 – EPIRB control functions
- 4.3 Operational [Go to Page]
- 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
- 4.3.5 Colour and retro-reflecting material
- 4.3.6 Lanyard
- 4.3.7 Exposure to the marine environment
- 4.3.8 Ergonomics
- Figures [Go to Page]
- Figure 1 – Hand sizes [Go to Page]
- 4.3.9 Indication of insufficient battery energy
- 4.4 Control and indicator functions [Go to Page]
- 4.4.1 Control functions
- 4.4.2 Indicator functions
- 4.5 Float-free arrangements [Go to Page]
- 4.5.1 General
- 4.5.2 External power or data connection
- 4.5.3 Ability to check the automatic release
- 4.5.4 Manual release
- 4.6 Environment for EPIRB [Go to Page]
- 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
- 4.8 Interference – Electromagnetic compatibility
- 4.9 Maintenance
- 4.10 Safety precautions
- 4.11 Equipment manuals
- 4.12 Labelling [Go to Page]
- 4.12.1 Equipment labelling
- 4.12.2 Float-free arrangement labelling
- 4.12.3 Battery labelling
- 4.13 Installation
- 5 Technical characteristics [Go to Page]
- 5.1 Transmitted frequency
- 5.2 Signal and message format
- 5.3 Distress message memory
- 5.4 Beacon identification code
- 5.5 121,5 MHz homing signal
- 5.6 AIS locating signal
- Figure 2 – AIS and 121,5 MHz signal interleaving
- 5.7 GNSS receiver and position reporting
- 5.8 RLS [Go to Page]
- 5.8.1 RLS capability
- 5.8.2 RLS self-test
- 5.9 Power source [Go to Page]
- 5.9.1 General
- 5.9.2 Battery life and expiry date
- 5.9.3 Expiry date indication
- 5.9.4 Reverse polarity protection
- 5.10 Antenna characteristics
- 6 Methods of testing and required test results [Go to Page]
- 6.1 General [Go to Page]
- 6.1.1 Purpose
- 6.1.2 Type approval of EPIRBs operating in the Cospas-Sarsat system
- 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
- 6.1.10 Test sequence
- 6.1.11 Performance check
- 6.1.12 Performance test
- 6.2 General tests [Go to Page]
- 6.2.1 EPIRB
- 6.2.2 Float-free arrangements
- 6.3 Operational tests [Go to Page]
- 6.3.1 Prevention of inadvertent activation
- 6.3.2 Immersion, buoyancy and drop into water
- 6.3.3 Activation
- Table 2 – Effective luminous intensity [Go to Page]
- 6.3.4 Self-test
- Table 3 – Radiant intensity [Go to Page]
- 6.3.5 Exterior, colour and retro-reflecting material
- 6.3.6 Lanyard
- 6.3.7 Exposure to marine environment
- 6.3.8 Ergonomics
- 6.3.9 Indication of insufficient battery energy
- 6.4 Control and indicator functions
- 6.5 Float-free arrangements [Go to Page]
- 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 [Go to Page]
- 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
- 6.12 Labelling [Go to Page]
- 6.12.1 Equipment labelling
- 6.12.2 Float-free arrangement labelling
- 6.12.3 Battery labelling
- 6.13 Installation
- 6.14 Technical characteristics [Go to Page]
- 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
- 6.14.5 RLS
- 6.15 Power source [Go to Page]
- 6.15.1 Battery capacity test
- 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 [Go to Page]
- 6.17.1 General
- 6.17.2 Dry heat cycle, of IEC 60945
- 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
- 6.17.7 Vibration test, of IEC 60945
- 6.17.8 Ruggedness test
- 6.17.9 Immersion test, of IEC 60945
- 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
- 6.20 Compass safe distance
- 6.21 Conducted interference
- Annexes [Go to Page]
- Annex A (normative) Sequence of tests [Go to Page]
- A.1 Compulsory sequence of tests
- A.2 Additional tests
- Annex B (normative) Internal and external navigation devices GNSS receivers [Go to Page]
- B.1 General
- B.2 External navigation devices
- B.3 Internal navigation receivers
- B.4 Internal navigation device tests [Go to Page]
- B.4.1 General
- B.4.2 Test description
- B.4.3 Test facility requirements, test set-up and calibration
- Table B.1 – Maritime scenarios
- Figure B.1 – Test set-up
- Figure B.2 – Calibration set-up
- Table B.2 – GPol values [Go to Page]
- [Go to Page]
- B.4.4 Method of measurement
- B.4.5 Required results
- B.4.6 Test results
- Table B.3 – Maritime scenarios test results
- Table B.4 – Maritime scenarios results analysis
- Table B.5 – Pass/Fail analysis
- Annex C (normative) Standards for an EPIRB without a float-free mechanism [Go to Page]
- C.1 Requirements
- C.2 Tests
- Annex D (normative) Technical standards for 121,5 MHz homing device [Go to Page]
- D.1 General
- D.2 Performance requirements
- D.3 Technical characteristics
- D.4 Methods of testing and required test results [Go to Page]
- D.4.1 General
- D.4.2 Carrier frequency
- D.4.3 Peak effective radiated power
- D.4.4 Off-ground plane radiated power test
- D.4.5 Transmitter duty cycle
- D.4.6 Modulation characteristics
- Figure D.1 – Spurious emission mask for 121,5 MHz signal
- Figure D.2 – Typical modulation waveforms
- Annex E (normative) AIS locating signal specification [Go to Page]
- E.1 General
- E.2 Performance characteristics [Go to Page]
- E.2.1 Requirement
- E.2.2 Interoperability
- E.2.3 Operational functions
- 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
- E.2.8 Position source and data
- E.3 Technical characteristics [Go to Page]
- E.3.1 Transmitter requirements and characteristics
- E.3.2 Link layer requirements
- E.4 Performance tests [Go to Page]
- E.4.1 General
- E.4.2 Performance requirements
- E.4.3 Preparation of the EPIRB for testing
- E.4.4 Test signals
- E.4.5 Modes of operation of the transmitter
- E.5 Physical radio tests [Go to Page]
- E.5.1 General
- E.5.2 On-ground plane radiated power
- E.5.3 Off-ground plane radiated power
- E.6 Link layer tests
- E.7 GNSS self-test mode tests [Go to Page]
- E.7.1 General
- E.7.2 Transmission with GNSS data available
- E.7.3 Transmission without GNSS data available
- Annex F (informative) Symbols
- Annex G (informative) IEC 61162-1 RLM sentence notes
- Bibliography [Go to Page]