Navigation Rules - Complete

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  • 1/29 Questions

    On a narrow channel, you hear 2 prolonged blasts and 2 short blasts from a vessel behind you, what does this mean?

    • Vessel intends to overtake you on your port side
    • Vessel is overtaking you on your port side
    • Vessel intends to overtake you on your starboard side
    • Vessel is overtaking you on your starboard side
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Navigation Rules - Complete - Quiz
About This Quiz

- ALL RULES AND ANNEX

created 27 November 2011

Problems to check
WTF questions
WTF1-INTERNATIONAL ONLY You are on a power-driven vessel "I" as shown. Vessel "II" is a vessel engaged in fishing within 1/2 a mile of your vessel. Which action should you take?
WTF2 - When achored in restricted visibility, what is the required fog signal for a fishing vessel engaged in See morefishing?
WTF3- You are the stand-on vessel in a crossing situation. The other vessel is showing an alternating red and yellow light. Which action should you take? - 8024

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  • 2. 

    If you hear two short blasts from a vessel you can see, what does that mean? 34(a)  int'l

    • Vessel is altering course to port

    • Vessel intends to leave you on its port side

    • Vessel intends to leave you on starboard side

    • Vessel is altering course to starboard

    Correct Answer
    A. Vessel is altering course to port
    Explanation
    34(a) int'l
    sound TWO SHORT, you ARE leaving them on YOUR STAR-BOARD (two syllables)

    part A refers to MEETING AND CROSSING
    part C refers to OVERTAKING and OVERTAKING IN A NARROW CHANNEL(int'l)

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  • 3. 

    At night you are nearing a bend in a channel, what are you required to do?

    • Sound one prolonged blast

    • Flash a spotlight towards the nearing bend

    • Shoot a red rocket flare over the bend to let others know you are approaching

    • Sound one prolonged plast followed by three short blasts

    Correct Answer
    A. Sound one prolonged blast
    Explanation
    INTERNATIONAL OKAY - is longer - international has more letters – – • • ok pass

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  • 4. 

    On International waters, when you want to notify another vessel that you are turning to starboard, what must you sound?

    • One short blast

    • Two short blasts

    • Two prolonged blasts followed by two short blasts

    • Two prolonged blasts followed by one short blast

    Correct Answer
    A. One short blast
    Explanation
    34(c)
    always consider these rules as syllables for how the other vessel will see your vessel
    for this one, think of turning to starboard as leaving the other vessel on YOUR PORT,
    port = one syllable.

    I am leaving you on MY • (port) or •• (starboard)

    If not in a narrow channel (34c) you need not sound agreement.

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  • 5. 

    International sound for agreement when overtaking vessel A is passing overtaken vessel B on its port side, within a narrow channel?

    • One prolonged, one short, one prolonged, one short - • – •

    • Two prolonged followed by one short – – •

    • Two short blasts • •

    • Same sound as overtaking vessel

    Correct Answer
    A. One prolonged, one short, one prolonged, one short - • – •
    Explanation
    34 (c) (ii)

    INTERNATIONAL OKAY - is longer - international has more letters – – • • ok pass

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  • 6. 
    INTERNATIONAL ONLY You are on a power-driven vessel "I" as shown. Vessel "II" is a vessel engaged in fishing within 1/2 a mile of your vessel. Which action should you take? - ProProfs

    INTERNATIONAL ONLY You are on a power-driven vessel "I" as shown. Vessel "II" is a vessel engaged in fishing within 1/2 a mile of your vessel. Which action should you take?

    • Change course or speed to avoid vessel II

    • Sound two short blasts, await response

    Correct Answer
    A. Change course or speed to avoid vessel II
    Explanation
    When encountering a vessel engaged in fishing within 1/2 a mile, it is recommended to change course or speed to avoid the fishing vessel. This is important to ensure the safety of both vessels and to prevent any potential collision. By taking this action, the power-driven vessel "I" can maintain a safe distance from the fishing vessel "II" and reduce the risk of any accidents or interference with the fishing operations.

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  • 7. 

    INTERNATIONAL ONLY A partially submerged object towed by a vessel must show during the day one __________

    • Diamond shape when tow is 200 meters or less

    • Diamond shape when tow is over 200 meters

    • Black ball

    • Conical shape

    Correct Answer
    A. Diamond shape when tow is 200 meters or less
    Explanation
    A partially submerged object towed by a vessel must show a diamond shape during the day when the tow is 200 meters or less. This is a requirement according to international regulations to indicate to other vessels that there is a tow line in the water. The diamond shape is easily recognizable and helps to warn other vessels to keep a safe distance and avoid any potential collisions.

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  • 8. 

    You're approaching a bend and you hear a prolonged blast, what do you do

    • Sound one prolonged blast

    • Sound the danger signal

    • Ring your bell in rapid succession for 5 seconds

    Correct Answer
    A. Sound one prolonged blast
    Explanation
    When approaching a bend and hearing a prolonged blast, the correct action is to sound one prolonged blast. This is a signal to alert others of your presence and to indicate that you are approaching a bend where visibility may be limited. By sounding one prolonged blast, you are notifying other drivers or pedestrians to proceed with caution and be prepared for a potential hazard ahead.

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  • 9. 

    A barge more than 50 meters long is required to show how many white anchor lights when anchored in a "special anchorage area" approved by the Secretary of Transhportation

    • Two

    • Three

    • One

    • Four

    Correct Answer
    A. Two
    Explanation
    A barge more than 50 meters long is required to show two white anchor lights when anchored in a "special anchorage area" approved by the Secretary of Transportation.

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  • 10. 

    In a power drivel vessel, if you run aground in fog, what sound should you use to signal this?

    • 3 strokes, rapid ringing for 5 seconds, 3 strokes, every 1 minute

    • Rapid ringing for 5 seconds every minute

    • 3 strokes, rapid ringing for 5 seconds, 3 strokes, every 2 minutes

    • One prolonged blast followed by three short blasts

    Correct Answer
    A. 3 strokes, rapid ringing for 5 seconds, 3 strokes, every 1 minute
    Explanation
    this is the same for all vessels!!! aground is universal.

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  • 11. 

    FOG SIGNAL for power driven vessel, not making way

    • Two prolonged blasts, every 2 minutes

    • Two prolonged blasts, every 1 minute

    • One prolonged blast, every 1 minutes

    • One prolonged blast, followed by three short blasts

    Correct Answer
    A. Two prolonged blasts, every 2 minutes
    Explanation
    -under way is always every 2 minutes
    -all vessels except TWO have only one prolonged followed by two short EXCEPT for a vessel being towed- which only signals IF MANNED
    1) power driven vessel which is UNDER WAY- ONE PROLONGED / NOT MAKING WAY - TWO PROLONGED
    2) vessel being towed

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  • 12. 

    When anchored in restricted visibility, what is the required fog signal for a fishing vessel engaged in fishing.

    • One prolonged followed by two short every 1 minute

    • Bell ringing rapidly for 5 seconds every 2 minutes

    • 3 distinct rings of bell, bell ringing rapidly for 5 seconds, 3 distinct bell rings

    • One prolonged followed by three short

    Correct Answer
    A. One prolonged followed by two short every 1 minute
    Explanation
    When a fishing vessel is anchored in restricted visibility, it is required to emit a fog signal to indicate its presence. The required fog signal for a fishing vessel engaged in fishing is one prolonged followed by two short blasts, repeated every 1 minute. This signal helps to alert other vessels in the vicinity and prevent any potential collisions.

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  • 13. 

    BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning two sailing vessels?

    • A sailing vessel with the wind forward of the beam on her port side shall keep out of the way of the sailing vessel with the wind forward of her beam

    • When both vessels have the wind on the same side, the leeward vessel shall keep out of the way

    Correct Answer
    A. A sailing vessel with the wind forward of the beam on her port side shall keep out of the way of the sailing vessel with the wind forward of her beam
    Explanation
    When two sailing vessels have the wind forward of the beam on their port side, the vessel on the starboard tack (with the wind forward of its beam on the starboard side) has the right of way and the vessel on the port tack (with the wind forward of its beam on the port side) must keep out of the way. This is in accordance with the International Regulations for Preventing Collisions at Sea (COLREGS) Rule 12, which states that a vessel on the port tack shall keep out of the way of a vessel on the starboard tack.

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  • 14. 

    BOTH INTERNATIONAL & INLAND A vessel fishing at night, with gear extending more than 150 meters horizontally outwards, will show in the direction of the gear __________.

    • One white light

    • Two vertical white lights

    • One yellow light

    • Two vertical yellow lights

    Correct Answer
    A. One white light
    Explanation
    A vessel fishing at night with gear extending more than 150 meters horizontally outwards is required to display one white light in the direction of the gear. This light helps other vessels to identify the fishing gear and avoid any potential collisions.

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  • 15. 

    A vessel rigidly connected to another in a composite unit, pushing ahead, will show            

    • Lights of one power driven vessel

    • Two yellow towing lights and one after masthead light

    • Two masthead lights and yellow light over the stern light

    Correct Answer
    A. Lights of one power driven vessel
    Explanation
    When a vessel is rigidly connected to another vessel in a composite unit and is pushing ahead, it will show the lights of one power-driven vessel. This means that the vessel will display the required navigation lights for a power-driven vessel, which typically include a white masthead light, a green starboard light, and a red port light. These lights are used to indicate the vessel's position and direction of travel to other vessels in order to prevent collisions at sea.

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  • 16. 

    A SPECIAL FLASHING LIGHT

    • Yellow light, flashes 50-75 times per minute

    • White flashes 120 times per minute

    • White or yellow light flashes 120 times per minute

    Correct Answer
    A. Yellow light, flashes 50-75 times per minute
    Explanation
    http://www.navcen.uscg.gov/?pageName=navRulesArcs#
    http://www.navcen.uscg.gov/?pageName=navRulesContent
    there are 2 types of flashing lights.
    SPECIAL FLASHING LIGHT is unique to INTERNATIONAL, and is YELLOW ONLY, flashing 50-75 times per minute, and must be placed as far forward as practicable on the fore and aft centerline of the tow and showing 180-225 degrees, fixed to show the light from right ahead to abeam and no more than 22.5 degrees abaft the beam on either side.

    FLASHING LIGHT is a light flashing a frequency of 50-70 flashes per minute

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  • 17. 

    INLAND what fog signal is a vessel 15 meters in length required to sound within a Special Anchorage Area (rule 35j)

    • None

    • One short blast, one prolonged blast, one prolonged blast

    • Rapid ringing of bell for 5 seconds, every 1 minute

    • One prolonged blast followed by two short blasts every 2 minutes

    Correct Answer
    A. None
    Explanation
    rule 35j

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  • 18. 

    INT'L & INLAND The rules require that a stand-on vessel SHALL take action to avoid collision when she determines that:

    • Collision cannot be avoided by the give-way vessel's maneuver alone

    • The other vessel is not taking appropriate action

    • Risk of collision exists

    • The other vessel will cross ahead of her

    Correct Answer
    A. Collision cannot be avoided by the give-way vessel's maneuver alone
    Explanation
    When a stand-on vessel determines that a collision cannot be avoided by the give-way vessel's maneuver alone, it is required to take action to avoid the collision. This means that if the give-way vessel's actions alone are not sufficient to prevent a collision, the stand-on vessel must also take evasive action. This ensures that both vessels are actively working to avoid a potential collision and promotes safe navigation at sea.

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  • 19. 

    International rules apply to what area:

    • High seas and all waters connected and navigable by seagoing vessels

    • All waters 12 miles offshore

    • All waters which are not inland, as designated by COLREGS

    Correct Answer
    A. High seas and all waters connected and navigable by seagoing vessels
    Explanation
    International rules apply to the high seas and all waters connected and navigable by seagoing vessels. This means that the rules and regulations set by international agreements and organizations, such as the International Maritime Organization (IMO), apply to these areas. These rules govern various aspects of maritime navigation, safety, and environmental protection to ensure a standardized and coordinated approach across different countries and regions.

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  • 20. 

    INLAND rules apply to :

    • Waters of the United States, and Canadian waters of the Great Lakes to the extent there is no conflict with Canadian law

    • Those listed in COLREGS Demarcation Lines

    Correct Answer
    A. Waters of the United States, and Canadian waters of the Great Lakes to the extent there is no conflict with Canadian law
    Explanation
    INLAND rules apply to the waters of the United States and Canadian waters of the Great Lakes, as long as there is no conflict with Canadian law. This means that these rules are applicable in these specific regions and must be followed by vessels navigating in these waters, unless there is a conflict with Canadian law.

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  • 21. 

    You are the stand-on vessel in a crossing situation.  The other vessel is showing an alternating red and yellow light.  Which action should you take? -8024 WTF3

    • Stand on

    • Heave to

    • Alter course to assist

    • Yield the right of way

    Correct Answer
    A. Stand on
    Explanation
    rule unknown

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  • 22. 

    Which vessel must exhibit forward and after masthead lights when underway? 4517

    • 200 meter sailing vessel

    • 50 meter power driven vessel

    • 100 meter vessel engaged in fishing

    • All of the above

    Correct Answer
    A. 50 meter power driven vessel
    Explanation
    focus on the UNDER WAY part. The rules to remember are 4 vessels that may turn off running lights while UNDER WAY - or not making way. These are NUC, RAM, FISHING, TRAWLING

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  • 23. 

    INLAND ONLY, the term "INLAND WATERS" includes 

    • The western rivers, extending to the COLREGS demarcation line

    • Harbors and rivers to the outermost aids to navigation

    • Waters along the coast of the US to a distance of two miles offshore

    • None of the above

    Correct Answer
    A. The western rivers, extending to the COLREGS demarcation line
    Explanation
    I can't find this in the book anywhere, but its a CG test question.

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  • 24. 

    Submarine light

    • OPTIONAL amber yellow beacon, sequence- one flash per second for three seconds, followed by a 3 second off-period

    • REQUIRED amber yellow beacon, sequence- one flash per second for three seconds, followed by a 3 second off-period

    Correct Answer
    A. REQUIRED amber yellow beacon, sequence- one flash per second for three seconds, followed by a 3 second off-period
    Explanation
    rule 1
    bottom of page

    SPECIAL RULE BY SECRETARY OF THE NAVY... others found PART 706 of Title 32, Code of Federal Regulations (32 CFR 706)

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  • 25. 

    Vessels under _______ may not impede the passage of other vessels in a narrow fairway

    • 20 meters

    • 10 meters

    • 30 meters

    • 50 meters

    Correct Answer
    A. 20 meters
    Explanation
    Vessels under 20 meters may not impede the passage of other vessels in a narrow fairway. This means that if a vessel is less than 20 meters in length, it must give way to larger vessels and allow them to pass through the narrow fairway without obstruction. This rule helps to ensure the safe and efficient movement of vessels in narrow waterways, preventing any potential accidents or delays.

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  • 26. 

    WTF QUESTION Which factor is listed in the rules as one which must be taken into account when determining safe speed?

    • Construction of the vessel

    • Maneuverability of the vessel

    • The experience of personnel

    • All of the above

    Correct Answer
    A. Maneuverability of the vessel
    Explanation
    When determining safe speed, one of the factors that must be taken into account is the maneuverability of the vessel. This means considering how easily the vessel can change direction or navigate through various conditions. The maneuverability of the vessel can be affected by factors such as its size, design, propulsion system, and any external factors that may impact its ability to maneuver effectively. Therefore, it is important to consider the maneuverability of the vessel when determining a safe speed to ensure that it can safely navigate and respond to any potential hazards or obstacles.

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  • 27. 

    Two barges are being pushed ahead by a tugboat.  Which statement is TRUE concerning lights on the barges?

    • The barges should be lighted as one vessel

    • Each vessel should show sidelights

    • The barges should be lighted as separate units

    • Each vessel should show at least one white light

    Correct Answer
    A. The barges should be lighted as one vessel
    Explanation
    Rule 24

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  • 28. 

    INTERNATIONAL, you are on vessel A as shown in DIAGRAM 32.  Vessel B sounds two short blasts.  You should

    • Not answer the whistle signal from vessel B

    • Sound two prolonged blasts followed by two short blasts

    • Sound two short blasts and maintain course and speed

    • Sound one prolonged, on short, one prolonged, and one short blasts

    Correct Answer
    A. Not answer the whistle signal from vessel B
    Explanation
    WTF question
    rule 34

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  • 29. 

    If additional lights are on vessel, this is only acceptable if

    • They cannot be mistaken for any other lights for any other lights prescribed by rules.

    • They do not interfere with visibility of other prescribed lights on vessel

    • They do not limit the view of lookout

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    definitely a WTF question. Rule 1-C

    http://www.navcen.uscg.gov/?pageName=navRulesContent

    I don't know why this is the answer, since the book reads "be such they cannot be mistaken for any light..."
    and I can't find anything else for this.

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Quiz Review Timeline (Updated): Mar 21, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 27, 2011
    Quiz Created by
    Danny5

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