ISO/PAS 21195:2018
(Main)Ships and marine technology — Systems for the detection of persons while going overboard from ships (Man overboard detection)
Ships and marine technology — Systems for the detection of persons while going overboard from ships (Man overboard detection)
ISO/PAS 21195:2018 specifies technical requirements for systems designed to detect a person who has gone overboard from a passenger ship. This document addresses how a system is expected to perform in various environmental conditions and a wide variety of incident profiles. ISO/PAS 21195:2018 does not cover man overboard (MOB) detection systems that require the passengers or crew to wear or carry a device to trigger an MOB event.
Navires et technologie maritime — Systèmes pour la détection des personnes passant par-dessus bord (détection d’un homme à la mer)
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Standards Content (Sample)
PUBLICLY ISO/PAS
AVAILABLE 21195
SPECIFICATION
First edition
2018-01
Ships and marine technology —
Systems for the detection of persons
while going overboard from ships
(Man overboard detection)
Navires et technologie maritime — Systèmes pour la détection des
personnes passant par-dessus bord (détection d’un homme à la mer)
Reference number
ISO/PAS 21195:2018(E)
©
ISO 2018
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ISO/PAS 21195:2018(E)
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ii © ISO 2018 – All rights reserved
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ISO/PAS 21195:2018(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Abbreviated terms . 3
5 Requirements . 4
5.1 General . 4
5.2 System description . 4
5.3 Control station . 4
5.4 Shipboard cables . 5
5.5 Light emitting system components . 5
5.6 Noise emitting system components . 5
5.7 Power . 5
5.8 Electromagnetic compatibility . 5
5.9 Ingress protection . 5
5.10 Environmental vibration . 5
5.11 MOB detection . 5
5.12 MOB detection zone . 6
5.13 MOB warning initiators . 6
5.14 Visual alarm . 6
5.15 Audible alarm . 6
5.16 MOB verification data . 6
5.17 Warning and alarm actions . 7
5.18 MOB event message . 7
5.19 MOB alarm log . 7
5.20 Operational status . 7
5.21 Captured data . 8
5.22 Date and time stamps . 8
5.23 Data storage . 8
5.24 User account types. 9
5.25 Access controls . 9
5.26 Anti-tamper protection . 9
5.27 Security log . 9
5.28 MOB testing manikin . 9
6 Controlled environment performance requirements.10
6.1 Basic probability of detection .10
7 Shipboard-based performance requirements .10
7.1 Probability of detection .11
7.2 False alarm rate .13
7.3 Standby mode .14
Annex A (informative) Recommendations .15
Bibliography .16
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ISO/PAS 21195:2018(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following
URL: www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 8, Ships and marine technology,
Subcommittee SC 1, Maritime safety.
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ISO/PAS 21195:2018(E)
Introduction
The lack of standardized man overboard (MOB) detection system requirements has made it difficult for
end users to objectively evaluate the safety and effectiveness of such systems. This document addresses
these issues by clearly defining the technical specifications for the equipment, thereby allowing
manufacturers to develop systems against a common set of requirements and enabling end-users to
evaluate the safety, effectiveness, performance, and reliability of MOB detection systems.
Comments to ISO TC 8 SC 1 on this document are encouraged. The experience gained by the wider
audience of users, suppliers, and other stakeholders using this document will better inform the
development of the final International Standard. To submit comments, see https://www.iso.
org/committee/45800.html.
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PUBLICLY AVAILABLE SPECIFICATION ISO/PAS 21195:2018(E)
Ships and marine technology — Systems for the detection
of persons while going overboard from ships (Man
overboard detection)
1 Scope
This document specifies technical requirements for systems designed to detect a person who has gone
overboard from a passenger ship. This document addresses how a system is expected to perform in
various environmental conditions and a wide variety of incident profiles.
This document does not cover man overboard (MOB) detection systems that require the passengers or
crew to wear or carry a device to trigger an MOB event.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
ISO/TR 7250-2:2010, Basic human body measurements for technological design — Part 2: Statistical
summaries of body measurements from national populations
IEC 60068-2-6:2007, Environmental testing — Part 2-6: Tests — Test Fc: Vibration (sinusoidal)
IEC 60092-376:2003, Electrical installations in ships — Part 376: Cables for control and instrumentation
circuits 150/250 V (300V)
IEC 60945:2002(E), Maritime navigation and radiocommunication equipment and systems — General
requirements — Methods of testing and required test results
IEC 61162-3:2014, Maritime navigation and radiocommunication equipment and systems — Digital
interfaces — Part 3: Serial data instrument network
IMO Resolution A.1021(26), Code on alerts and indicators, 2009
IMO Resolution MSC.337(91), Adoption Of The Code On Noise Levels On Board Ships
SOLAS Chapter III, International Safety of Life at Sea, 1974
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https://www.iso.org/obp
— IEC Electropedia: available at https://www.electropedia.org/
3.1
accessible open area
any area of the ship that is accessible to either passengers or crew and open to the outside
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ISO/PAS 21195:2018(E)
3.2
active state
state in which the system is on
3.3
alarm actions
actions available within the system when an MOB warning or alarm is triggered or changes status
3.4
A-weighted noise level
quantity measured by a sound meter in which the frequency response is weighted according to the
A-weighting curve defined in IEC 61672:2013
3.5
control station
equipment that provides the facilities for human observation and control of the MOB detection system
3.6
data
information captured and/or generated by the MOB detection system
Note 1 to entry: Data may be in either a raw or a processed form and includes basic (e.g. text, numeric, Boolean),
composite (e.g. array, class, and list), and multimedia (e.g. images, audio, and video) data types.
3.7
electronic chart display and information system
ECDIS
navigation information system that is defined in the International Maritime Organization (IMO)
Performance Standard for ECDIS (IMO Resolution A.817 (19), as amended)
3.8
environmental vibration
periodic motion of equipment installed aboard ships as a result of environmental forces
3.9
false alarm
system activation not caused by an actual MOB event
3.10
heading
angle between the direction in which the ship’s bow is pointing and a reference direction expressed in
degrees from a reference direction, e.g. true north, usually from 000° clockwise through 360°
3.11
independent laboratory
laboratory that has been recognized by a laboratory accrediting organization to test and evaluate
products to a product safety standard, and is free from commercial, financial, and other pressures that
may influence the results of the testing and evaluation process
3.12
International Association of Classification Societies (IACS)
organization that establishes, reviews, promotes, and develops minimum technical requirements in
relation to the design, construction, maintenance, and survey of ships and other marine related facilities;
and assists international regulatory bodies and standards organizations to develop, implement and
interpret statutory regulations and industry standards in ship design, construction, and maintenance,
with a view to improving safety at sea and the prevention of marine pollution
3.13
man overboard (MOB) event
incident in which a person(s) has accidently or intentionally gone over the side/front/back of a ship and
into the water
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ISO/PAS 21195:2018(E)
3.14
man overboard (MOB) verification data
system data that may be used by user to acknowledge, deny, confirm, or terminate an MOB warning or
alarm at the control station
3.15
nominal operating conditions
set of ship and environmental conditions that are typically encountered by a ship while travelling with
passengers as shown in Table 1
Table 1 — Nominal operating conditions
Condition Value
Wave height 0 m to 2,5 m
Precipitation None
Ship speed 0 knots to 25 knots
3.16
recognized organization
competent organization that has been assessed by a National Authority and found to be capable of
witnessing the required tests and certifying the test results
3.17
sensor unit
device or system of devices that detects and responds to one or more physical stimuli
3.18
shipboard cable
armored or unarmored cable constructed in accordance with ISO/IEC 11801:2002,
ISO/IEC 11801:2002/Amd2:2010 or other recognized ship cable standards, and listed or classified by a
nationally recognized testing laboratory
3.19
underway
not at anchor, or made fast to the shore, or aground
4 Abbreviated terms
ECDS Electronic chart display and information system
IACS International Association of Classification Societies
IBS Integrated bridge system
IEC International Electrotechnical Commission
IMO International Maritime Organization
MOB Man overboard
NMEA National Marine Electronics Association
RAID Redundant array of independent disks
RO Recognized Organization
RoHS Restriction of the Use of Certain Hazardous Substances
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ISO/PAS 21195:2018(E)
S-VDR Simplified voyage data recorder
SOLAS International Convention for the Safety of Life at Sea, 1974, as amended by IMO Res.
MSC.47(66)
TBT Technical Barriers to Trade
UTC Coordinated universal time
VDR Voyage data recorder
WTO World Trade Organization
5 Requirements
5.1 General
The testing outlined in this document shall be conducted by an independent laboratory or may be
conducted by the manufacturer provided the tests conducted by the manufacturer are approved (or
certified) by a Recognized Organization or Classification Society that complies with the applicable
unified interpretations and requirements posted by the International Association of Classification
Societies (IACS).
The intent of the following requirements is to verify that the system contains all the core system
capabilities.
5.2 System description
A general MOB detection system described in this document consists of a control station, sensor units,
cables, and associated software (Figure 1).
NOTE Depending on the system, the associated software can be installed on the control station and/or
sensor units.
Figure 1 — Block diagram of a general MOB detection system with logical links
5.3 Control station
The system shall include a control station where alarms and data can be reviewed.
The system shall have the capability for an operator to manually select an imaging sensor and timeline
for playback at the control station.
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ISO/PAS 21195:2018(E)
5.4 Shipboard cables
Shipboard cables shall be manufactured in compliance with the applicable sections of IEC 60092-
376:2003 for low smoke and zero halogen.
Shipboard cables shall be designed and manufactured in compliance with the Restriction of the Use of
Certain Hazardous Substances (RoHS) in Electrical and Electronic Equipment Directive (2011/65/EU)
or equivalent.
5.5 Light emitting system components
The intensity of light emitting system components located or installed in the bridge area shall be fully
dimmable and capable of being controlled at the control station.
5.6 Noise emitting system components
All components of the system that are installed in the navigating bridge and/or chartrooms shall have a
maximum A-weighted noise level of less than 65 dB(A), in accordance with IMO Resolution MSC.337(91).
The MOB audible alarm is exempt from this requirement.
System components installed in locations other than the navigating bridge or chartroom shall follow
the maximum A-weighted noise levels set forth by IMO Resolution MSC.337(91) The MOB audible alarm
is exempt from this requirement
...
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