IEC 61996-1:2007

IEC 61996-1
Edition 1.0 2007-11
INTERNATIONAL
STANDARD
Maritime navigation and radiocommunication equipment and systems –
Shipborne voyage data recorder (VDR) –
Part 1: Voyage data recorder (VDR) – Performance requirements, methods of
testing and required test results

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IEC 61996-1
Edition 1.0 2007-11
INTERNATIONAL
STANDARD
Maritime navigation and radiocommunication equipment and systems –
Shipborne voyage data recorder (VDR) –
Part 1: Voyage data recorder (VDR) – Performance requirements, methods of
testing and required test results

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
XA
ICS 47.020.70 ISBN 2-8318-9355-0

– 2 – 61996-1 © IEC:2007(E)
CONTENTS
FOREWORD.5

1 Scope.7
2 Normative references.7
3 Terms, definitions and abbreviations .8
3.1 Definitions .8
3.2 Abbreviations.9
4 Performance requirements.10
4.1 General .10
4.2 Purpose.10
4.3 Operational requirements.10
4.3.1 Design and construction.10
4.3.2 Maintenance of sequential records .11
4.3.3 Co-relation in date and time .11
4.3.4 Protective capsule .11
4.3.5 Interfaces .12
4.4 Data selection and security .12
4.4.1 Selection of data items.13
4.4.2 Configuration data .13
4.4.3 Resistance to tampering .13
4.4.4 Recording integrity.13
4.5 Operation .14
4.5.1 Recording and saving of data.14
4.5.2 Power source.14
4.5.3 Dedicated reserve power source .14
4.5.4 Recording period and duration .14
4.6 Data items to be recorded.15
4.6.1 Date and time .15
4.6.2 Ship’s position .15
4.6.3 Speed.15
4.6.4 Heading.15
4.6.5 Bridge audio .15
4.6.6 Communications audio.16
4.6.7 Radar data – post-display selection.16
4.6.8 Echo sounder .16
4.6.9 Main alarms.16
4.6.10 Rudder order and response.16
4.6.11 Engine order and response .16
4.6.12 Hull openings (doors) status.16
4.6.13 Watertight and fire door status .17
4.6.14 Accelerations and hull stresses .17
4.6.15 Wind speed and direction.17
5 Technical characteristics.17
5.1 Co-relation in date and time .17
5.2 Particular design requirements for the protective capsule.17
5.3 Location beacon(s) for the protective capsule .17
5.4 Survivability of recorded data.18

61996-1 © IEC:2007(E) – 3 –
5.4.1 Long-term retention under normal conditions.18
5.4.2 Survival following an incident .18
5.5 Information to be included in the manufacturer’s documentation.18
5.5.1 Installation guidelines .18
5.5.2 Operation and maintenance manual .19
5.5.3 Information for use by an investigation authority .19
5.6 Bridge audio specifications .19
5.6.1 Input interface.19
5.6.2 Reference signal.19
5.6.3 Audio frequency response.19
5.6.4 Quality index.20
5.6.5 Audio noise level – signal to noise and distortion.20
5.7 Communications audio .20
5.7.1 Input interfaces.20
5.7.2 Reference signal.20
5.7.3 Audio frequency response.20
5.7.4 Quality index.20
5.7.5 Audio noise level – signal to no signal .21
5.7.6 Audio noise level – signal to noise and distortion (SINAD) .21
5.8 Radar data – post-display selection.21
5.8.1 Input interface.21
5.8.2 Image outputs.21
6 Methods of testing and required test results .22
6.1 General .22
6.1.1 Test setup .22
6.1.2 Download and playback equipment .23
6.1.3 Sequence of tests .23
6.1.4 Requirements to be checked by inspection only.23
6.1.5 Environmental test conditions for normal operation.23
6.1.6 Recording duration.24
6.1.7 Reserve power source .24
6.1.8 Recharging of reserve source of power .24
6.1.9 Brief interruption of electrical power .24
6.1.10 System integrity .25
6.1.11 Maintenance of sequential records .25
6.1.12 Co-relation in date and time .25
6.1.13 Design and construction of the protective capsule .25
6.1.14 Selection of data items.28
6.1.15 Power source.28
6.2 Data items to be recorded.28
6.2.1 Date/time – ship’s position – speed – heading .28
6.2.2 Bridge audio .28
6.2.3 Communications audio.32
6.2.4 Radar data, post-display selection.35
6.2.5 Echo sounder – main alarms – rudder order and response – engine order
and response – hull openings (doors) status – watertight and doors status
– acceleration and hull stresses – wind speed and direction .43
6.2.6 Interfaces .44

– 4 – 61996-1 © IEC:2007(E)
Annex A (normative) IEC 61162 sentence formats .45
Annex B (informative) Mandatory alarms .46
Annex C (normative) Download and playback equipment for investigating authorities .48
Annex D (informative) Requirement/test – cross references.52

Bibliography .54

Figure 1 – Test set-up block diagram.37
Figure 2 – Comparison of images .41

Table 1 – Bridge audio, signal to no signal measurements .31
Table 2 – Bridge audio, signal to noise and distortion (SINAD) measurements .32
Table 3 – Communications audio, signal to no-signal measurements .
...