BPG 6TH ED. - CH.4
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Questions and Answers

What type of information is included in the static data transmitted by AIS?

  • Current navigation status
  • Magnetic heading and wind speed
  • Length, beam, and ship type (correct)
  • Destination and ETA
  • Which system is derived from Loran-C to provide a backup to GNSS in areas with coverage?

  • IMO
  • AIS
  • eLoran (correct)
  • VHF
  • When might AIS be switched off according to the text?

  • During rough weather conditions
  • When approaching a port
  • Based on the Master's professional judgement (correct)
  • For vessels carrying hazardous cargo
  • What type of vessels might not be displayed on AIS according to the text?

    <p>Leisure craft and fishing boats</p> Signup and view all the answers

    What is the purpose of eLoran in relation to GNSS?

    <p>To provide a backup in areas with eLoran coverage</p> Signup and view all the answers

    What is the main purpose of using Differential GNSS receivers?

    <p>To offer greater navigational accuracy by applying corrections from ground-based stations</p> Signup and view all the answers

    What is the significance of Beidou in the context of satellite navigation systems?

    <p>It operates as part of the World-Wide Radio Navigation System (WWRNS)</p> Signup and view all the answers

    In what manner do GNSS receivers assist the Officer of the Watch (OOW) during navigation?

    <p>By providing route storage and cross-track distance monitoring</p> Signup and view all the answers

    Which statement accurately reflects the role of Galileo in the satellite navigation domain?

    <p>It is expected to be fully functional in the near future</p> Signup and view all the answers

    What is an essential feature that GNSS calculates positions referenced to?

    <p>A global geodetic datum</p> Signup and view all the answers

    What is the purpose of an off-course alarm independent from other bridge equipment?

    <p>To sound an alarm when the ship deviates from its planned track</p> Signup and view all the answers

    Why may an off-course alarm not always sound even when the ship deviates from its planned track?

    <p>As a result of tidal stream/currents moving the ship off track</p> Signup and view all the answers

    How does the use of an autopilot and off-course alarm impact the role of the OOW?

    <p>Does not change the OOW's responsibility to frequently check the planned course</p> Signup and view all the answers

    According to the passage, what is the potential impact of poor quality broadcast data on the AIS system?

    <p>It could significantly reduce the potential value of the AIS system</p> Signup and view all the answers

    What technologies are commonly used in berthing systems for precise approach to a berth?

    <p>Laser, doppler, or GNSS technology</p> Signup and view all the answers

    Which of the following is NOT an example of information that AIS Aids to Navigation (AtoN) can provide?

    <p>Navigational chart updates</p> Signup and view all the answers

    Where is the magnetic compass typically installed on a ship?

    <p>On the navigating bridge above the centerline</p> Signup and view all the answers

    What is the primary difference between physical AIS Aids to Navigation and virtual AIS Aids to Navigation?

    <p>Physical AIS AtoN are actual navigational aids, while virtual AIS AtoN do not physically exist</p> Signup and view all the answers

    What is the potential use of virtual AIS Aids to Navigation mentioned in the passage?

    <p>Marking areas where it is difficult to establish fixed navigational aids</p> Signup and view all the answers

    Which of the following is NOT mentioned as a Search and Rescue (SAR) device that can use AIS to send distress alerts?

    <p>AIS-RADAR</p> Signup and view all the answers

    Which of the following is NOT a key purpose of the Voyage Data Recorder (VDR) system?

    <p>Overwriting older records with new data</p> Signup and view all the answers

    What is the primary purpose of annual testing of the VDR system?

    <p>To ensure all required data items are being correctly recorded</p> Signup and view all the answers

    Which of the following is a key advantage of a Global Navigation Satellite System (GNSS) over other electronic position fixing systems?

    <p>Provides a continuous worldwide position update</p> Signup and view all the answers

    What is the primary purpose of the SMS (Safety Management System) policy regarding the playback of VDR data?

    <p>To analyze the performance of the bridge team</p> Signup and view all the answers

    Which of the following is NOT a key responsibility of watchkeeping officers regarding VDR records?

    <p>Analyzing the performance of the bridge team</p> Signup and view all the answers

    According to the Bridge Procedures Guide, what should be done with the steering gear power units in restricted waters or restricted visibility?

    <p>An additional steering gear power unit should be in operation if capable of simultaneous operation</p> Signup and view all the answers

    What is the purpose of having a gyro repeater and rudder angle indicator at each steering position?

    <p>To display the ship's heading and rudder angle for accurate steering control</p> Signup and view all the answers

    If an automatic pilot (autopilot) or other track control system is fitted, what should be available at each steering position?

    <p>A steering mode selector switch and a manual override control</p> Signup and view all the answers

    According to the Bridge Procedures Guide, how often should the complete steering system be tested?

    <p>Within 12 hours prior to departure</p> Signup and view all the answers

    What is the purpose of the manual override control for the steering system?

    <p>To allow for immediate manual control of the steering</p> Signup and view all the answers

    What is the primary purpose of radar for bridge watchkeepers?

    <p>To support effective passage plan monitoring and collision avoidance</p> Signup and view all the answers

    What should the officer on watch (OOW) be cautious about when using radar?

    <p>Over-relying on radar at the expense of maintaining a proper visual and auditory lookout</p> Signup and view all the answers

    Which of the following statements about radar performance is true, according to the text?

    <p>Watchkeepers should be familiar with the differences between X-Band and S-Band radars</p> Signup and view all the answers

    What should the OOW be aware of regarding the vessel's radar displays?

    <p>The ability to switch between X-Band and S-Band transceivers</p> Signup and view all the answers

    What should the OOW do to ensure accurate radar performance?

    <p>Regularly check the quality of the radar picture, which may be done automatically</p> Signup and view all the answers

    What potential issue with radar usage is highlighted in the text?

    <p>An incorrectly aligned heading marker providing misleading information</p> Signup and view all the answers

    Based on the information provided, which of the following statements is true regarding the use of radar?

    <p>Radar should be kept running and operational when the vessel is at sea</p> Signup and view all the answers

    What should the OOW be familiar with regarding the vessel's radar plotting aid?

    <p>The capabilities and limitations of the radar plotting aid integrated with the radar</p> Signup and view all the answers

    Which statement best describes the relationship between radar and visual lookout, according to the text?

    <p>Radar and visual lookout should be used in conjunction for effective collision avoidance</p> Signup and view all the answers

    Based on the information provided, which of the following statements is false?

    <p>Radar should be kept running at all times, regardless of the vessel's location or operational status</p> Signup and view all the answers

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