C2
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Questions and Answers

Under what condition can a vessel use any sound or light signals to attract the attention of another vessel?

  • The signal cannot be mistaken for a distress signal
  • Red and green lights are not used
  • The vessel signals its intentions over the radiotelephone
  • It is one of those listed under Annex IV of the Collision Regulations (correct)
  • Which light is shown by a 200-meter vessel at anchor?

  • A 135-degree white light in the after part of the vessel
  • An all-round red or green light
  • Any available working lights to illuminate the decks
  • A 225-degree white light in the forepart of the vessel (correct)
  • What is a signal that can be used by a vessel to attract attention, excluding distress signals?

  • A searchlight beam (correct)
  • Burning barrels
  • Calling 'Mayday' on the radiotelephone
  • A continuous sounding of a fog signal apparatus
  • Which vessel would NOT sound a fog signal of one prolonged and two short blasts?

    <p>A vessel at anchor</p> Signup and view all the answers

    Which signal can be sounded only by vessels in restricted visibility?

    <p>At least five short and rapid blasts</p> Signup and view all the answers

    What type of vessel is excluded from sounding a fog signal of one prolonged and two short blasts?

    <p>A vessel at anchor</p> Signup and view all the answers

    What should you do when another vessel in a crossing situation sounds one short blast and you intend to hold course and speed?

    <p>Answer with one short blast</p> Signup and view all the answers

    What should Vessel 'Q' sound in response to Vessel 'P' sounding two short blasts?

    <p>Two short blasts</p> Signup and view all the answers

    What is true about the situation where Vessel 'A' sights Vessel 'B' which is a vessel underway and fishing?

    <p>Vessel 'A' must keep out of the way of vessel 'B'</p> Signup and view all the answers

    When is it prohibited to display lights which may be confused with required navigation lights?

    <p>From sunset to sunrise and during restricted visibility</p> Signup and view all the answers

    Under what circumstance can an officer of the watch deviate from the Rules of the Road?

    <p>To avoid immediate danger</p> Signup and view all the answers

    What is the purpose of whistle signals in a crossing situation?

    <p>To signal intentions</p> Signup and view all the answers

    What is considered an efficient sound signal for a vessel?

    <p>Any means of making a sound signal</p> Signup and view all the answers

    What day signal should a vessel constrained by its draught display?

    <p>A black cylinder having a diameter of not less than a specified size</p> Signup and view all the answers

    What lights should a towing vessel pushing a barge ahead and rigidly connected in a composite unit display?

    <p>The lights of a power-driven vessel towing</p> Signup and view all the answers

    When making a course alteration to avoid collision, what should be done?

    <p>Make a succession of small changes in course</p> Signup and view all the answers

    What type of vessel is a commercial airliner in the water?

    <p>A seaplane</p> Signup and view all the answers

    Which vessel is considered 'restricted in her ability to maneuver'?

    <p>A vessel engaged in mineclearing</p> Signup and view all the answers

    What happens when you approach another vessel's stern in a narrow channel?

    <p>The vessels will drift apart</p> Signup and view all the answers

    What can happen to a vessel transiting a narrow channel?

    <p>The bow will be sucked towards the bank</p> Signup and view all the answers

    According to the Collision Regulations, what is the correct definition of 'underway'?

    <p>Only if she is NOT at anchor or made fast</p> Signup and view all the answers

    What is the course of a vessel heading SSE?

    <p>157.5deg</p> Signup and view all the answers

    What is the minimum sound signaling equipment required aboard a vessel 10-meters in length?

    <p>A bell and a whistle</p> Signup and view all the answers

    When does a vessel not need to take action to avoid collision?

    <p>When the bearing of the vessel does not appreciably change</p> Signup and view all the answers

    What type of vessel is a vessel that has her anchor down but not holding?

    <p>A vessel restricted in her ability to maneuver</p> Signup and view all the answers

    What is the requirement for a vessel of less than 12 meters in length regarding bell and gong signals?

    <p>A vessel of less than 12 meters in length need not have bell and gong signals</p> Signup and view all the answers

    What type of vessel is classified as a vessel restricted in her ability to maneuver, except?

    <p>A vessel engaged in normal navigation</p> Signup and view all the answers

    What is the purpose of the competence and vigilance of the officer of the watch?

    <p>To avoid dangerous situations</p> Signup and view all the answers

    What type of vessels does the 'collision avoidance rules' apply to?

    <p>All vessels, regardless of size or operation</p> Signup and view all the answers

    What is the fog signal sounded by a 95-meter vessel aground?

    <p>A rapid ringing of a bell for 5 seconds, every 2 minutes</p> Signup and view all the answers

    Study Notes

    Sound Signals

    • A vessel may use any sound or light signals to attract the attention of another vessel, as long as it is not mistaken for a signal authorized by the rules.
    • A vessel can use a searchlight beam, burning barrel, or continuous sounding of a fog signal apparatus to attract attention.
    • A vessel in restricted visibility can sound a fog signal of one prolonged and two short blasts.
    • In a crossing situation, if the other vessel sounds one short blast, the responding vessel should sound one short blast to indicate holding course and speed.
    • A 200-meter vessel at anchor shows a 225-degree white light in the forepart and a 135-degree white light in the after part.
    • A vessel constrained by its draft shows a black cylinder with a diameter of not less than 1 meter.
    • A towing vessel pushing a barge ahead and rigidly connected in a composite unit shows the lights of a power-driven vessel towing.

    Vessel Encounter

    • A vessel underway on the high seas in restricted visibility that hears a fog signal of one prolonged and two short blasts, it could be a vessel being towed, not under command, or constrained by its draft.
    • When two power-driven vessels are crossing within one half mile of each other, the stand-on vessel sounds two short blasts, and the give-way vessel should sound one short blast.
    • Vessel "A" underway, sighting vessel "B" which is a vessel underway and fishing, must keep out of the way of vessel "B".
    • The prohibition against displaying lights that may be confused with required navigation lights applies from sunset to sunrise and during restricted visibility.
    • An officer of the watch can deviate from the Rules of the Road to avoid immediate danger.
    • A course alteration made to avoid collision should be a large change, supplemented by a speed change.
    • A commercial airliner in the water is considered a seaplane.

    Vessel Classification

    • A vessel engaged in mineclearing, fishing with trawls, or with a draft of such depth that it cannot navigate safely is considered a vessel "restricted in her ability to maneuver".
    • A vessel that has lost its rudder or is not under command is considered a vessel "not under command".

    Channel Navigation

    • When overtaking a vessel moving in a parallel course in a narrow channel, the vessels will drift apart.
    • In a narrow channel, the bow can be pushed away from the bank or sucked towards the bank.

    Sound Signaling Equipment

    • A vessel 10-meters in length must have a minimum sound signaling equipment of a bell and a whistle.
    • A vessel of less than 12 meters in length need not have a bell, but any vessel over 12-meters in length must be provided with a bell and a whistle.

    Other Rules

    • The competence and vigilance of the officer of the watch provide the most direct means of avoiding dangerous situations.
    • The "collision avoidance rules" shall apply to all vessels.

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    Description

    Test your knowledge of maritime navigation signals and regulations. This quiz assesses your understanding of the rules and signals used to attract attention, avoid collisions, and navigate safely.

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