FOREWORD
1 Scope
2 Normative references
3 Definitions and abbreviations
    3.1 Definitions
    3.2 Abbreviations
4 General and operational requirements
    4.1 Purpose
    4.2 General
    4.3 Operational
    4.4 Float-free release
    4.5 Maintenance
    4.6 Safety precautions
    4.7 Safety from electromagnetic RF radiation
    4.8 Equipment handbook
    4.9 Labelling
    4.10 Installation
5 Technical characteristics
    5.1 Purpose
    5.2 General
    5.3 Operations
    5.4 Manual distress alert initiation
    5.5 Float-free arrangements
    5.6 Transmission delay on activation
    5.7 Satellite signal frequency
    5.8 Technical characteristics and message format
    5.9 Distress message
    5.10 Ship station identity
    5.11 Test facilities
    5.12 Modulation, frequency shift and coding
    5.13 Antenna characteristics
    5.14 Radiation and output power
    5.15 Total transmission duration
    5.16 Duty cycle
    5.17 Power source
    5.18 Environment
    5.19 Safety precautions
    5.20 Interference EMC
    5.21 Compass safe distance
6 Methods of testing and required test results
    6.1 General
    6.2 Test frequency
    6.3 Additional facilities
    6.4 Test arrangements
    6.5 Test conditions
    6.6 Normal test conditions
    6.7 Extreme test conditions
    6.8 Climatic control systems
    6.9 Test sequence
    6.10 Performance check
    6.11 Performance test
    6.12 Performance criteria
    6.13 Measurement uncertainty
7 Environmental tests
    7.1 General
    7.2 Dry heat
    7.3 Damp heat
    7.4 Low temperature
    7.5 Thermal shock
    7.6 Immersion
    7.7 Drop test into water
    7.8 Vibration
    7.9 Ruggedness
    7.10 Rain
    7.11 Solar radiation
    7.12 Oil resistance
    7.13 Corrosion
    7.14 Safety criteria for batteries
8 Test of technical characteristics
    8.1 General
    8.2 Power source capacity test at low temperature
          test
    8.3 Antenna characteristics, radiation and output power
    8.4 Output power under extreme test voltage
    8.5 Transmitter
    8.6 Signal format
    8.7 Antenna mismatch
9 Safety
    9.1 Electromagnetic RF radiation
    9.2 Safety test for VDU
    9.3 Safety test for X radiation
10 Compass safe distance
11 Unwanted electromagnetic emission
    11.1 Radiated emission
    11.2 Conducted emission
12 Electromagnetic immunity
    12.1 General
    12.2 Conducted LF interference
    12.3 Conducted RF interference
    12.4 Radiated RF interference
    12.5 Immunity to fast transients
    12.6 Immunity to surges on a.c. power lines
    12.7 Immunity to power supply short term variations
    12.8 Immunity to power supply failure
    12.9 Immunity to electrostatic discharge
Annexes
A Sequence of tests
B Technical standard for 121,5 MHz homing device
C Manually activated satellite EPIRB without a float-free
    mechanism