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  • AS/NZS 4869.2:2010

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    Stand alone maritime survivor locating systems (MSLS) Operating on frequencies other than 121.5 MHz

    Available format(s):  Hardcopy, PDF 1 User, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English

    Published date:  26-02-2010

    Publisher:  Standards Australia

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    Abstract - (Show below) - (Hide below)

    Provides the minimum requirements for Maritime Survivor Locating Systems (MSLSs) intended for very short-range crew retrieval applications operating on frequencies other than 121.5MHz, commonly referred to as man-overboard systems. MSLS systems operating on 121.5MHz are covered by Part1 of this Standard.

    Scope - (Show below) - (Hide below)

    This Standard provides the minimum requirements for Maritime Survivor Locating Systems (MSLSs) intended for very short-range crew retrieval applications operating on frequencies other than 121.5 MHz, commonly referred to as ‘man-overboard systems’. MSLS systems operating on 121.5 MHz are covered by AS/NZS 4869.1. The MSLS is designed to allow for self-help from the vessel or organization where there is a risk of crew falling overboard by sounding an alert from the onboard receiver. Two basic principles of operation have been identified, as follows:(a) Type A A low power battery-operated transmitter is carried or worn by persons at risk of falling overboard. A receiver on the parent vessel continuously monitors the system’s designated frequency. If an incident occurs the transmitter involved is activated and the received signal initiates an alarm and may in some cases also be used for homing purposes to guide rescuers back to the casualty. (b) Type B Portable battery-powered radio transmitters are carried or worn by persons at risk of falling overboard. These emit a radio signal at frequent intervals which is coded to indicate the unique identity of each individual device. A receiver/decoder on the vessel is programmed to monitor these signals and to activate an alarm if the signal is not received. These systems are inherently fail safe because they activate when a signal is not detected.The requirements in this Standard encompass the physical characteristics of the devices used in MSLS systems as they pertain to maritime use. For Type A MSLS transmitters, both the radiated power and the length of time for operation are reduced relative to conventional EPIRB type beacons, to enable the equipment to be sufficiently small and lightweight to be worn comfortably at all times when a person is operating in an open maritime environment. MSLS may be developed and employed on certain approved frequencies. These may be frequencies covered by the Australian Communications and Media Authority’s Class licence for low interference potential devices (LIPDs) or the New Zealand Ministry of Economic Development’s General User Radio Licence (GURL) or on certain maritime frequencies such as the Digital Selective Calling (DSC) channel 70 VHF, and the radiotelephone channel 16 VHF, when such an arrangement has been authorized by the relevant regulators. The technical requirements for equipment covered by the LIPD class licence or the GURL are contained in AS/NZS 4268.

    General Product Information - (Show below) - (Hide below)

    Committee RC-004
    Document Type Standard
    Publisher Standards Australia
    Status Current
    Supersedes
    Under Revision

    History - (Show below) - (Hide below)

    First published as AS/NZS 4869.2:2010. First published as AS/NZS 4869.2:2010. Reissued incorporating Amendment No. 1 (August 2013).

    Standards Referenced By This Book - (Show below) - (Hide below)

    AS/NZS 4415.2:2003 Radiotelephone transmitters and receivers for the maritime mobile service operating in the VHF bands - Technical characteristics and methods of measurement Major coast stations, limited coast stations, ship stations and handheld stations (non DSC) (ETS 300 162:1998, MOD)
    AS/NZS CISPR 22:2009 Information technology equipment - Radio disturbance characteristics - Limits and methods of measurement
    AS/NZS 4268:2008 Radio equipment and systems - Short range devices - Limits and methods of measurement
    AS/NZS 4769.1:2000 Radiocommunications equipment used in the paging service Angle modulated equipment (Reconfirmed 2013)
    AS/NZS 4869.1:2006 Maritime Survivor Locating Systems (MSLS) Operating on 121.5 MHz (Reconfirmed 2015)
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