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Subelement A
General Information and System Overview.
Section 4
Functional Requirements:
Which of the following is a functional or carriage requirement for compulsory vessels?
  • A compulsory vessel must carry at least two (2) FCC licensed GMDSS Radio Operators in all sea areas as well as a GMDSS Maintainer in sea areas A3 & A4.
  • Correct Answer
    A compulsory vessel must satisfy certain equipment carriage requirements based on the intended sea area of operation.
  • A compulsory vessel must be able to transmit and respond to Distress alerts and carry only one (1) FCC licensed GMDSS Radio Operator in sea areas A1 & A2.
  • None of these answers are correct.
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Which GMDSS communication functions must all compulsory vessels be capable of performing to meet International Maritime Organization requirements?
  • Distress alerting and receipt of Maritime Safety Information via Inmarsat for all vessels intending to operate in Sea Area A4.
  • Distress alerting and receipt of MSI in Sea Areas A1, A2, A3, and A4 regardless of the vessel's intended area of operation.
  • Correct Answer
    Distress alerting, general communications and receipt of Maritime Safety Information in the vessel's intended area of operation.
  • General communications via Inmarsat and receipt of Maritime Safety Information via Enhanced Group Calling in Sea Area A4.
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GMDSS-equipped ships will be required to perform which of the following communications functions?
  • Distress alerting, MSI, SAR and on-scene communications & receipt of satellite alerts from other vessels.
  • SAR and on-scene communications, Bridge-to-Bridge and general radio communications, MSI and relay of satellite alerts from other vessels.
  • Bridge-to-Bridge and general radio communications, RDF of EPIRB homing signals, Distress alerting and MSI.
  • Correct Answer
    Transmit distress alerts, SAR and on-scene communications, MSI, Bridge-to-Bridge and general radio communications.
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What equipment can be used to receive Maritime Safety Information?
  • Correct Answer
    NAVTEX, EGC receiver or HF SITOR (NBDP).
  • EGC receiver, Inmarsat B or F77 terminal.
  • HF SITOR (NBDP), Inmarsat B or NAVTEX.
  • All of these answers are correct.
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Which of the following are required GMDSS functions?
  • Bridge-to-Bridge communications, reception of weather map facsimile broadcasts, SAR communications.
  • Reception of weather map facsimile broadcasts, receiving company email, On-scene communications.
  • Reception of VHF weather channels, On-scene communications, general communications.
  • Correct Answer
    Bridge-to-Bridge communications, general communications, SAR communications.
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Which of the following are required GMDSS functions for vessels?
  • Correct Answer
    Transmit and receive locating signals, general communications and SAR communications.
  • Transmit and receive general communications, transmit Distress Alerts by at least one means, MSI.
  • Transmit and receive locating signals, send MSI to other ships via EGC, Bridge-to-Bridge communications.
  • Transmit and receive SAR communications, transmit Distress Alerts by at least one means, Bridge-to-Bridge communications.

47 CFR § 80.1081 Functional requirements. Ships, while at sea, must be capable:

(a) Except as provided in §§ 80.1087(a)(1) and 80.1091(a)(4)(iii), of transmitting ship-to-shore distress alerts by at least two separate and independent means, each using a different radiocommunication service;

(b) Of receiving shore-to-ship distress alerts;

(c) Of transmitting and receiving ship-to-ship distress alerts;

(d) Of transmitting and receiving search and rescue co-ordinating communications;

(e) Of transmitting and receiving on-scene communications;

(f) Of transmitting and receiving signals for locating;

(g) Of transmitting and receiving maritime safety information;

(h) Of transmitting and receiving general radiocommunications to and from shore-based radio sytsems or networks; and

(i) Of transmitting and receiving bridge-to-bridge communications.

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