COPY: MSAP: COLREGS and Anti-Collision Questions
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Questions and Answers

What is the authorized light used to assist in the identification of submarines operating on the surface in accordance with COLREGS?

  • Amber/yellow light
  • Rotating flashing white light
  • Intermittent flashing blue light (correct)
  • Flashing sidelight
  • Which action would be considered 'good seamanship' as per COLREGS when proceeding in fog?

  • Taking full sea speed advantage in fog
  • Using deck lights which may obscure approaching running lights (correct)
  • Proceeding at sea speed in a favorable current
  • Using radar and fog signal when in clear weather
  • Which of the following vessels is 'not under command' as defined in Rule 3 of the Collision Regulations?

  • A minesweeper engaged in minesweeping
  • A vessel servicing a buoy
  • A loaded VLCC navigating in a fairway flanked by shoal water
  • A sailing vessel becalmed (correct)
  • Which of the following vessels is NOT a vessel 'restricted in her ability to maneuver' as per Rule 3 of the Collision Regulations?

    <p>A tanker refueling a ship underway (C)</p> Signup and view all the answers

    What defines a vessel as 'restricted in her ability to maneuver'?

    <p>Engaged in a difficult towing operation (B)</p> Signup and view all the answers

    As the OIC on the bridge of a power-driven vessel, what should you do upon noticing a large sailing vessel approaching from the stern?

    <p>Prepare for possible evasive maneuvers (A)</p> Signup and view all the answers

    What action should a power-driven vessel following a traffic lane take if it wants to alter course to starboard?

    <p>Sound one short blast (D)</p> Signup and view all the answers

    Which vessels are NOT permitted to use inshore traffic zones?

    <p>Sailing vessels under 20 meters in length (B)</p> Signup and view all the answers

    When is a vessel required to sound two short blasts?

    <p>When altering course to port (C)</p> Signup and view all the answers

    What is the correct action for a vessel of 20 meters or more following a traffic lane?

    <p>Reduce speed and wait for the other vessel to pass (A)</p> Signup and view all the answers

    Is anchoring permitted in a narrow channel according to the text?

    <p>No, anchoring is prohibited (D)</p> Signup and view all the answers

    What should a vessel do if it hears a fog signal forward of the beam, according to Rule 19?

    <p>Reduce to minimum steerage way (A)</p> Signup and view all the answers

    When two ships are locked together after a collision, what should NOT always be done?

    <p>Make a substantial course alteration (D)</p> Signup and view all the answers

    What does a man aboard a vessel raising and lowering his outstretched arms to each side indicate?

    <p>The vessel is signaling that it is safe to pass (C)</p> Signup and view all the answers

    In a traffic separation scheme, which vessel is NOT permitted to impede the passage of a power-driven vessel following a traffic lane?

    <p>A fishing vessel (A)</p> Signup and view all the answers

    According to COLREGS, Annex I, paragraph (g), at what height above the hull should the sidelights of a power-driven vessel be placed?

    <p>Not greater than half of that of the forward masthead light (D)</p> Signup and view all the answers

    When in open waters and seeing lights right ahead at medium range, what should you do?

    <p>Maintain your current course and speed (D)</p> Signup and view all the answers

    Under COLREGS, Annex II, how far should the additional signals for fishing vessels be visible all around the horizon?

    <p>1.0 nautical miles (C)</p> Signup and view all the answers

    What responsibility does the MASTER of a ship NOT have in the event of a collision in the waters of a foreign nation?

    <p>Prepare survival craft for abandon ship (D)</p> Signup and view all the answers

    If you see flames aboard a vessel but notice that the vessel is not on fire, what does this indicate as per COLREGS, Annex IV?

    <p>The vessel is signaling that all is clear (D)</p> Signup and view all the answers

    According to Collision Regulations, which vessels can special rules allow additional whistle signals between?

    <p>Any type of vessels (B)</p> Signup and view all the answers

    When two masthead lights are carried for a power-driven vessel, how many meters higher should the after one be compared to the forward one?

    <p>2 meters (D)</p> Signup and view all the answers

    Which vessel is considered 'restricted in her ability to maneuver' as per Rule 3 of the Collision Regulations?

    <p>A vessel picking up a mark that restricts the navigational ability of the vessel and her tow to change course (D)</p> Signup and view all the answers

    Which type of vessel is 'not under command' based on Rule 3 of the Collision Regulations?

    <p>A vessel in a towing operation that restricts the navigational ability of the mark vessel and her tow to change course (C)</p> Signup and view all the answers

    Which scenario does NOT represent a vessel 'not under command' according to the Collision Regulations?

    <p>A vessel engaged in launching an aircraft (D)</p> Signup and view all the answers

    Which activity does NOT fall under vessels 'engaged in fishing' as per the Collision Regulations?

    <p>A vessel engaged in launching an aircraft (B)</p> Signup and view all the answers

    What does 'vessel constrained by her draft' mean according to the Collision Regulations?

    <p>A power-driven vessel severely restricted in her ability to deviate from her course due to her draft in relation to the water available (A)</p> Signup and view all the answers

    Flashcards

    What light helps identify submarines on the surface?

    An intermittent flashing blue light is used to assist identifying submarines on the surface according to COLREGS.

    Is using deck lights in fog good seamanship?

    Using deck lights that might obscure approaching running lights can be considered good seamanship while navigating in fog, per COLREGS.

    Is a becalmed sailing vessel 'not under command'?

    A sailing vessel becalmed, or without wind, is considered 'not under command' according to Rule 3 of the Collision Regulations.

    Is a tanker refueling another ship underway 'restricted in her ability to maneuver'?

    A tanker refueling a ship underway is NOT a vessel 'restricted in her ability to maneuver' as per Rule 3 of the Collision Regulations.

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    What defines a vessel as 'restricted in her ability to maneuver'?

    A vessel is defined as 'restricted in her ability to maneuver' when it's engaged in a difficult towing operation.

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    What to do when a sailing vessel approaches from the stern?

    As the Officer in Charge (OIC) of a power-driven vessel, upon noticing a large sailing vessel approaching from the stern, you should prepare for possible evasive maneuvers.

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    What sound signal indicates a vessel wants to alter to starboard?

    A power-driven vessel following a traffic lane sounds one short blast when it wants to alter course to starboard.

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    Can small sailing vessels use inshore traffic zones?

    Sailing vessels under 20 meters in length are NOT permitted to use inshore traffic zones.

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    What signal indicates a vessel is altering to port?

    A vessel is required to sound two short blasts when altering course to port.

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    What should a large vessel do in a traffic lane?

    A vessel of 20 meters or more following a traffic lane should reduce speed and wait for the other vessel to pass.

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    Is anchoring allowed in a narrow channel?

    Anchoring is prohibited in a narrow channel according to the text.

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    What to do when hearing a fog signal forward of the beam?

    If a vessel hears a fog signal forward of the beam, it should reduce to minimum steerage way according to Rule 19.

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    What to avoid after a collision?

    When two ships are locked together after a collision, a substantial course alteration should NOT always be done.

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    What does waving arms mean on a vessel?

    A man raising and lowering his outstretched arms to each side on a vessel signals that it is safe to pass.

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    Can a fishing vessel impede a power-driven vessel in a traffic lane?

    In a traffic separation scheme, a fishing vessel is NOT permitted to impede the passage of a power-driven vessel following a traffic lane.

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    How high should sidelights be placed on a power-driven vessel?

    According to COLREGS, Annex I, paragraph (g), the sidelights of a power-driven vessel should be placed no higher than half the height of the forward masthead light above the hull.

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    What to do when seeing lights right ahead in open waters?

    When in open waters and seeing lights right ahead at medium range, maintain your current course and speed.

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    How far should additional fishing vessel signals be seen?

    Under COLREGS, Annex II, additional signals for fishing vessels should be visible all around the horizon for at least 1.0 nautical mile.

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    Is the Master responsible for preparing survival craft in a foreign collision?

    The MASTER of a ship is NOT responsible for preparing survival craft for abandon ship in the event of a collision in a foreign nation's waters.

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    What does seeing flames without fire on a vessel mean?

    Seeing flames aboard a vessel but no actual fire indicates that the vessel is signaling that all is clear according to COLREGS, Annex IV.

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    Who can use additional whistle signals?

    Special rules allow additional whistle signals between any type of vessels according to the Collision Regulations.

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    What's the height difference between two masthead lights?

    When two masthead lights are carried for a power-driven vessel, the after one should be at least 2 meters higher than the forward one.

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    Is a vessel picking up a mark 'restricted in her ability to maneuver'?

    A vessel picking up a mark that restricts the navigational ability of the vessel and her tow to change course is considered 'restricted in her ability to maneuver' as per Rule 3 of the Collision Regulations.

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    Is a vessel in a towing operation that restricts the tow's maneuverability 'not under command'?

    A vessel in a towing operation that restricts the navigational ability of the towed vessel and her tow to change course is 'not under command' based on Rule 3 of the Collision Regulations.

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    Is a vessel launching an aircraft 'not under command'?

    A vessel engaged in launching an aircraft is NOT considered 'not under command' according to the Collision Regulations.

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    Is launching an aircraft considered 'engaged in fishing'?

    A vessel engaged in launching an aircraft does NOT fall under vessels 'engaged in fishing' as per the Collision Regulations.

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    What does 'vessel constrained by her draft' mean?

    A vessel constrained by her draft is a power-driven vessel severely restricted in her ability to deviate from her course due to her draft in relation to the water available, according to the Collision Regulations.

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