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Subelement F

Maritime Safety Information (M.S.I.):

Section 40

SafetyNETTM -1: Operations:

Where NAVTEX cannot be feasibly established, what system can be implemented to provide an automated service in coastal waters to receive MSI?

  • AMVER
  • Correct Answer
    SafetyNETTM
  • VHF DSC
  • ARQ SITOR (NBDP)
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What action should a GMDSS Radio Operator take when SafetyNETTM Distress or Urgency messages are received by the vessel's EGC receiver?

  • No immediate action is required, as an audible tone will be generated at the beginning and end of the transmission and a paper printout of the message will be generated.
  • No immediate action is required by the operator, since the transmission will be automatically acknowledged by the receiving vessel.
  • Correct Answer
    Aural and/or visual alarms are activated and require manual deactivation.
  • A periodic alarm tone will be heard until the radio operator prints the message from the unit's memory.
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What system can provide an automated service in coastal waters where it may not be feasible to establish the NAVTEX service or where shipping density is too low to warrant its implementation?

  • AMVER
  • VHF DSC
  • ARQ SITOR (NBDP)
  • Correct Answer
    SafetyNETTM
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Aboard ship, SafetyNETTM messages can be received by which equipment/methods?

  • Correct Answer
    EGC receiver of the vessel's Inmarsat-C SES.
  • VHF DSC on the weather channels.
  • NAVTEX Receiver on 518 kHz or the Tropical Navtex frequency
  • HF SITOR (NBDP) MSI frequencies.
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SafetyNETTM messages can be received by which of the following shipboard equipment?

  • NAVTEX
  • MF and HF SITOR (NBDP)
  • Inmarsat F77 EGC receiver
  • Correct Answer
    Inmarsat-C EGC receiver
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Maritime Safety Information is promulgated via satellite through which system?

  • Correct Answer
    SafetyNETTM
  • AMVER
  • NAVTEX
  • Inmarsat-M SES
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