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DWO INTERNATIONAL ONLY
USCG Deck Watch Officer - BM1 Pierson
107
Other
Professional
07/14/2012

Additional Other Flashcards

 


 

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Term
Original Word Doc Courtesy of BMCS Vredenburg (2000) (Available on Boatswainsmate.net)

Additional Contributors from Aug 2000 - Apr 2006:

David Browning, USCGAUX - Roseburg, Oregon, BM2 Paul Lentini - STA Toledo, BM2 Bryan Resch - STA Panama City, BM3 Robert Finke - CGC Midgett, BM2 Karyn Boxwell - MSU Galveston, Robert Thomas - CGC Midgett, BM2 Chad Turner - CGC Midgett, BM2 Seth Thomas - CGC Flyingfish, BM3 Thomas Huntley - STA Cape Disappointment, BM2 Stacey Guild - STA Southwest Harbor, Andy Johnson, USCGAUX - Marin, CA, LCDR Alan Reagan - MSO Savannah, BM3 Chris Haun - STA Southwest Harbor, BM3 Aaron Plante - STA Toledo, BM3 Richard Shannahan - STA Yankeetown

Word Doc was imported into MS Excel, "scrubbed" and edited for import into Flashcard Machine by BM1 Robert Pierson, CGC Patoka. Additional corrections were made, however, please feel free to contact BM1 Pierson by email if you find other errors.
Definition
Disclaimer: Any study guide may have incorrect information, as everyone is human...including the BMs who've written the study guides (not to mention policy changes). This is why it is critical that you read the appropriate manuals when studying, not just read the study guides. If you find something wrong, notify the study guide author so they can update it and submit a corrected copy. You are responsible for knowing the material, so I encourage you to hit the books first and use the study guides as a companion document to your studying.
Term
INTERNATIONAL ONLY: To indicate that a vessel is constrained by her draft, a vessel may display, in a vertical line, _________.

A. Three 360° red lights
B. two 225° red lights
C. three 360° blue lights
D. two 225° blue lights
Definition
A. Three 360° red lights

Answer: A, Rule 28 A vessel constrained by her draft may, in addition to running lights, exhibit where they can best be seen three all-round red lights in a vertical line, or a cylinder.
Term
INTERNATIONAL ONLY: A power-driven vessel pushing ahead or towing alongside will display _________.

A. two all-round red lights where they can best be seen
B. two towing lights in a vertical line
C. two forward masthead lights in a vertical line
D. a single white light forward
Definition
C. two forward masthead lights in a vertical line

Answer: C, Rule 24.c. A power-driven vessel, when pushing ahead or towing alongside, shall exhibit two masthead lights in a vertical line, sidelights, and a sternlight.
Term
INTERNATIONAL ONLY: Which statement is true concerning a vessel constrained by her draft?

A. she must be a power driven vessel
B. she is not under command
C. she may be a vessel being towed
D. she is hampered because of her work
Definition
A. she must be a power driven vessel

Answer: A, Rule 3.h. The term "vessel constrained by her draft" means a power driven vessel which, because of her draft in relation to the available depth and width of navigable water is severely restricted in her ability to deviate from the course she is following.
Term
INTERNATIONAL ONLY: A vessel using a traffic separation scheme shall _________.

A. only anchor in the separation zone
B. if obliged to cross a traffic lane, do so at as small an angle as is practicable
C. avoid anchoring in areas near the termination of the scheme
D. utilize the separation zone for navigating through the scheme if she is impeding other traffic due to her slower speed
Definition
C. avoid anchoring in areas near the termination of the scheme

Answer: C, Rule 10.g. A vessel shall so far as practicable avoid anchoring in a traffic separation scheme or in areas near its terminations.
Term
INTERNATIONAL ONLY: You are in charge of a 250 meter freight vessel proceeding down a narrow channel. There is a vessel engaged in fishing on your starboard bow half a mile away. Which statement is true?

A. you are not to impede the fishing vessel
B. If you are in doubt as to the fishing vessel's intentions, you may sound the danger signal
C. you are to slow to bare steerageway until clear of the fishing vesel
D. you must sound two short blasts
Definition
B. If you are in doubt as to the fishing vessel's intentions, you may sound the danger signal

Answer: B, Rule 9.d.. A vessel shall not cross a narrow channel or fairway if such crossing impedes the passage of a vessel which can safely navigate only within such channel or fairway. The latter vessel may use the danger signal if in doubt as to the intention of the crossing vessel.
Term
INTERNATIONAL ONLY: The international rules of the road apply _______.

A. to all waters which are not inland waters
B. only to waters outside the territorial waters of the united states.
C. only to waters where foreign vessels travel
D. upon the high seas and connecting waters navigable by seagoing vessels
Definition
Answer: D, Rule 1.a. These rules shall apply to all vessels upon the high seas and in all waters connected therewith navigable by seagoing vessels.
Term
INTERNATIONAL ONLY: A towing light is ______.

A. shown at the bow
B. white in color
C. has the same area of visibility as a sternlight
D. an all-round light
Definition
C. has the same area of visibility as a sternlight

Answer: C, Rule 21.d. "Towing light" means a yellow light having the same characteristics as the sternlight.
Term
INTERNATIONAL ONLY: In a narrow channel, an overtaking vessel which intends to pass on the other vessel's port side would sound _____.

A. one prolonged followed by two short blasts
B. one short blast
C. two short blasts
D. two prolonged followed by two short blasts
Definition
D. two prolonged followed by two short blasts

Answer: D, Rule 34.c. When in sight of one another in a narrow channel or fairway a vessel intending to overtake another shall indicate her intention by sounding two prolonged blasts followed by one short blast to mean "I intend to overtake you on your starboard side" or two prolonged blasts followed by two short blasts to mean "I intend to overtake you on your port side". The vessel about to be overtaken shall indicate her agreement by sounding one prolonged, one short, one prolonged, and one short blast.
Term
INTERNATIONAL ONLY: While underway on the high seas in restricted visibility, you hear a fog signal of one prolonged and two short blasts. It could be any of the following EXCEPT a vessel _______.

A. minesweeping
B. engaged in fishing
C. constrained by her draft
D. being towed
Definition
D. being towed

Answer: D, Rule 35.e (Int) A vessel towed, or if more than one vessel is towed the last vessel of the tow, if manned, shall at intervals of not more than 2 minutes sound one prolonged followed by three short blasts. When practicable, this signal shall be made immediately after the signal made by the towing vessel.
Term
INTERNATIONAL ONLY: A vessel displaying three red lights in a vertical line is ______.

A. not under command
B. aground
C. dredging
D. constrained by her draft
Definition
D. constrained by her draft

Answer: D, Rule 28 A vessel constrained by her draft may, in addition to running lights, exhibit where they can best be seen three all-round red lights in a vertical line, or a cylinder.
Term
INTERNATIONAL ONLY: At night, a power-driven vessel underway of less than 7 meters in length where its maximum speed does not exceed 7 knots may show, as a minimum, ___________.

A. sidelights and a sternlight
B. the lights required for a vessel more than7 meters in length
C. sidelights only
D. one all-round white light
Definition
D. one all-round white light

Answer: D, Rule 23.c.ii. A power driven vessel of less than 7 meters in length whose maximum speed does not exceed 7 knots may in lieu of the lights prescribed for a power driven vessel, exhibit an all-round white light and shall, if practicable, also exhibit sidelights.
Term
INTERNATIONAL ONLY: A signal of intent, which must be answered by another vessel, is sounded in international waters by a vessel ____________.

A. meeting another head to head
B. crossing the course of another
C. overtaking another
D. any of the above
Definition
C. overtaking another

Answer: C, Rule 34.c. When in sight of one another, a power driven vessel intending to overtake another power-driven vessel shall indicate her intention by signaling one short blast to mean "I intend to overtake you on your starboard side" or two short blasts to mean "I intend to overtake you on your port side". The power driven vessel about to be overtaken shall, if in agreement, sound the same signal. If in doubt, she shall sound the danger signal of five short blasts.
Term
INTERNATIONAL ONLY: When two vessels are in sight of one another, all of the following signals may be given EXCEPT ______.

A. a light signal of at least five short and rapid flashes
B. four short whistle blasts
C. one prolonged, one short, one prolonged and one short whistle blasts
D. two short whistle blasts
Definition
B. four short whistle blasts

Answer: B, Rule 35.j (Int) or 35.i. (Inland) A pilot vessel when engaged on pilotage duty may, in addition to the sound signals for a power driven vessel underway making way, underway not making way, or at anchor, may sound an identity signal consisting of four short blasts.
Term
INTERNATIONAL ONLY: Lighting requirements in inland waters are different from those on international waters for ________.

A. barges being pushed ahead
B. vessels constrained by their draft
C. vessels towing by pushing ahead
D. all of the above
Definition
D. all of the above

Answer: D A-Inland has special flashing light B-no constrained by draft in inland C-Inland has towing light over sternlight, international just has stern light.
Term
INTERNATIONAL ONLY: What whistle signal, if any, would be sounded when two vessels are meeting, but will pass clear starboard to starboard?

A. one short blast
B. two short blasts
C. five or more short blasts
D. no signal is required
Definition
D. no signal is required

Answer: D, International signals are signals of action, in this situation the vessels do not need to maneuver.
Term
INTERNATIONAL ONLY: In a narrow channel, a vessel trying to overtake another on the other vessel's port side, would sound a whistle signal of ____________.

A. one short blast
B. two short blasts
C. two prolonged blasts followed by one short blast
D. two prolonged blast followed by two short blasts
Definition
D. two prolonged blast followed by two short blasts

Answer: D, Rule 34.c. When in sight of one another in a narrow channel or fairway a vessel intending to overtake another shall indicate her intention by sounding two prolonged blasts followed by one short blast to mean "I intend to overtake you on your starboard side" or two prolonged blasts followed by two short blasts to mean "I intend to overtake you on your port side". The vessel about to be overtaken shall indicate her agreement by sounding one prolonged, one short, one prolonged, and one short blast.
Term
INTERNATIONAL ONLY: On open water, a power-driven vessel coming up dead astern of another vessel and altering her course to starboard so as to pass on the starboard side of the vessel ahead would sound _______.

A. two short blasts
B. one short blast
C. two prolonged blast followed by one short blast
D. one long and one short blast
Definition
C. two prolonged blast followed by one short blast

Answer: C, Rule 34.c. When in sight of one another in a narrow channel or fairway a vessel intending to overtake another shall indicate her intention by sounding two prolonged blasts followed by one short blast to mean "I intend to overtake you on your starboard side" or two prolonged blasts followed by two short blasts to mean "I intend to overtake you on your port side". The vessel about to be overtaken shall indicate her agreement by sounding one prolonged, one short, one prolonged, and one short blast.
Term
INTERNATIONAL ONLY: If a vessel displays three all-round red lights in a vertical line at night, during the day she may show ________.

A. three balls in a vertical line
B. a cylinder
C. two diamonds in a vertical line
D. two cones, apexes together
Definition
B. a cylinder

Answer: B, Rule 28 A vessel constrained by her draft may, in addition to running lights, exhibit where they can best be seen three all-round red lights in a vertical line, or a cylinder.
Term
INTERNATIONAL ONLY: A vessel not under command sounds the same fog signal as a vessel _________.

A. towing
B. constrained by her draft
C. under sail
D. all of the above
Definition
D. all of the above

Answer: D, Rule 35.c. A vessel not under command, restricted in her ability to maneuver (whether underway or at anchor), a sailing vessel, a vessel engaged in fishing (whether underway or at anchor), and a vessel engaged in towing or pushing shall sound at intervals of not more than 2 minutes one prolonged blast followed by two short blasts.
Term
INTERNATIONAL ONLY: Your vessel is crossing a narrow channel, and a vessel to port is within the channel and crossing your course She is showing a black cylinder. What is your responsibility?

A. hold your course and speed
B. sound the danger signal
C. begin an exchange of passing signals
D. do not cross the channel if you impede the other vessel
Definition
D. do not cross the channel if you impede the other vessel

Answer: D, Rule 9.d. A vessel shall not cross a narrow channel or fairway if such crossing impedes the passage of a vessel which can safely navigate only within that channel or fairway. The latter vessel shall use the danger signal if in doubt as to the intention of the crossing signal and Rule 18.d.i. Any vessel other than a vessel not under command or a vessel restricted in her ability to maneuver shall, if the circumstances of the case admit, avoid impeding the safe passage of a vessel constrained by her draft.
Term
INTERNATIONAL ONLY: You are approaching another vessel and will pass starboard to starboard without danger if no course changes are made. You should __________.

A. hold course and sound a two blast whistle
B. hold course and sound no whistle signal
C. change course to the right and sound one blast
D. hold course and sound one blast
Definition
B. hold course and sound no whistle signal

Answer: B, International signals are signals of action, in this situation the vessels do not need to maneuver.
Term
INTERNATIONAL ONLY: A fishing vessel is approaching a vessel not under command. Which of the following statements is correct?

A. The fishing vessel must keep clear of the vessel not under command
B. If the vessel not under command is a power-driven vessel, she must keep clear of the fishing vessel
C. They must exchange whistle signals
D. both vessels are required to take action to stay clear of each other.
Definition
A. The fishing vessel must keep clear of the vessel not under command

Answer: A, Rule 18.d.i. Any vessel other than a vessel not under command or a vessel restricted in her ability to maneuver shall, if the circumstances of the case admit, avoid impeding the safe passage of a vessel constrained by her draft.
Term
INTERNATIONAL ONLY: Which signal is only sounded by a power-driven vessel?

A. a signal meaning "I am altering my course to starboard"
B. A signal meaning "I intend to overtake you on your starboard side"
C. A signal meaning that the vessel sounding it is in doubt as to the other vessel's actions.
D. A signal sounded when approaching a bend
Definition
C. A signal meaning that the vessel sounding it is in doubt as to the other vessel's actions.

Answer: C, Rule 34.a. When vessels are in sight of one another, a power driven vessel underway, when maneuvering as authorized or required by these rules, shall indicate that maneuver by appropriate sound signals.
Term
INTERNATIONAL ONLY: The light which may be used with a vessel's whistle is to be ______.

A. used when the whistle is broken
B. used prior to sounding the whistle
C. used only at night
D. a white light
Definition
D. a white light

Answer: D, Rule 34,b,iii The light used as a supplement to whistle signals shall, if fitted, be an all-round white light
Term
INTERNATIONAL ONLY: You are in sight of another vessel in a crossing situation, and the other vessel sounds one short blast. You are going to hold course and speed. You should __________.

A. answer with one short blast
B. answer with two short blasts
C. sound the danger signal
D. sound no whistle signal
Definition
D. sound no whistle signal

Answer: D
Term
INTERNATIONAL ONLY: Two prolonged blasts followed by one short blast one the whistle is a signal which could be sounded by a __________.

A. fishing vessel
B. vessel anchored
C. mineclearing vessel
D. vessel overtaking another in a narrow channel
Definition
D. vessel overtaking another in a narrow channel

Answer: D, Rule 34.c When in sight of one another in a narrow channel or fairway a vessel intending to overtake another shall indicate her intention by sounding two prolonged blasts followed by one short blast to mean "I intend to overtake you on your starboard side" or two prolonged blasts followed by two short blasts to mean "I intend to overtake you on your port side". The vessel about to be overtaken shall indicate her agreement by sounding one prolonged, one short, one prolonged, and one short blast.
Term
INTERNATIONAL ONLY: In a crossing situation on International waters, a short blast by the give-way vessel indicates that the vessel _______.

A. is holding course and speed
B. is turning to starboard
C. intends to pass port to port
D. will keep out of the way of the stand-on vessel
Definition
B. is turning to starboard

Answer: B, Rule 34.a. When vessels are in sight of one another, a power driven vessel underway, when maneuvering as authorized or required by these rules, shall indicate that maneuver by sounding one short blast to mean I am altering my course to starboard, two short blasts to mean I am altering course to port, and three short blasts to mean I am operating astern propulsion.
Term
INTERNATIONAL ONLY: What dayshape is prescribed for a vessel constrained by her draft?

A. a black cone, apex upward
B. a black cone, apex downward
C. two vertical black balls
D. a cylinder
Definition
D. a cylinder

Answer: D, Rule 28 A vessel constrained by her draft may, in addition to running lights, exhibit where they can best be seen three all-round red lights in a vertical line, or a cylinder.
Term
INTERNATIONAL ONLY: A vessel not under command sounds the same fog signal as a vessel______.

A. engaged in towing
B. constrained by her draft
C. under sail
D. all of the above
Definition
D. all of the above

Answer: D, Rule 35.c. A vessel not under command, restricted in her ability to maneuver (whether underway or at anchor), a sailing vessel, a vessel engaged in fishing (whether underway or at anchor), and a vessel engaged in towing or pushing shall sound at intervals of not more than 2 minutes one prolonged blast followed by two short blasts.
Term
INTERNATIONAL ONLY: Which statement(s) is (are) true concerning light signals?

A. the time between flashes shall be about five seconds
B. the time between successive signals shall not be less than 10 seconds
C. the lights signals are to be used when not using sound signals
D. all of the above
Definition
B. the time between successive signals shall not be less than 10 seconds

Answer: B, Rule 34.b.ii. The duration of each flash shall be about 1 second.
Term
INTERNATIONAL ONLY: Under what circumstances would an overtaking vessel sound a whistle signal of two prolonged followed by one short blast?

A. When overtaking in restricted visibility
B. when overtaking in a narrow channel
C. when overtaking on open waters
D. when no other vessel are in the immediate area
Definition
B. when overtaking in a narrow channel

Answer: B, Rule 34.c. When in sight of one another in a narrow channel or fairway a vessel intending to overtake another shall indicate her intention by sounding two prolonged blasts followed by one short blast to mean "I intend to overtake you on your starboard side" or two prolonged blasts followed by two short blasts to mean "I intend to overtake you on your port side". The vessel about to be overtaken shall indicate her agreement by sounding one prolonged, one short, one prolonged, and one short blast.
Term
INTERNATIONAL ONLY: A vessel may enter a traffic separation zone _______.

A. in an emergency
B. to engage in fishing within the zone
C. to cross the traffic separation scheme
D. any of the above
Definition
D. any of the above

Answer: D, Rule 10.e. A vessel other than a crossing vessel or a vessel joining or leaving a lane shall not normally enter a separation zone or cross a separation line except in cases of emergency to avoid immediate danger, or to engage in fishing within a separation zone.
Term
INTERNATIONAL ONLY: In a traffic separation scheme, when joining a traffic lane from the side, a vessel shall do so _____.

A. at as small an angle as possible
B. as nearly as practical at right angles to the general direction of traffic flow
C. only in case of an emergency or to engage in fishing within the zone
D. never
Definition
A. at as small an angle as possible

Answer: A, Rule 10.b.iii. A vessel using a traffic separation scheme shall normally join or leave a traffic lane at the termination of the lane, but when joining or leaving from either side shall do so at as small an angle to the general direction of traffic flow as practicable.
Term
INTERNATIONAL ONLY: There are two classes of vessels which, to the extent necessary to carry out their work, do not have to comply with the rule regarding traffic separation schemes. One of these is a vessel _____.

A. engaged in fishing in a traffic lane
B. servicing a submarine cable
C. towing another
D. engaged on pilotage duty.
Definition
B. servicing a submarine cable

Answer: B, Rule 10.l. A vessel restricted in her ability to maneuver when engaged in an operation for the laying, servicing or picking up of a submarine cable, within a traffic separation scheme, is exempted from complying with this rule to the extent necessary to carry out the operation.
Term
INTERNATIONAL ONLY: A vessel using a traffic separation scheme is forbidden to ____.

A. proceed through an inappropriate traffic lane
B. engage in fishing in the separation zone
C. cross a traffic lane
D. enter the separation zone, even in an emergency
Definition
A. proceed through an inappropriate traffic lane

Answer: A, Rule 10.b.i. A vessel using a traffic separation scheme shall proceed in that appropriate traffic lane in the general direction of traffic flow for that lane.
Term
INTERNATIONAL ONLY: A traffic separation zone is that part of a traffic separation scheme which _____.

A. is located between the separation scheme and the nearest land
B. contains all the traffic moving in one direction
C. is designated as an anchorage ara
D. separates traffic proceeding in one direction from traffic proceeding in the opposite direction
Definition
D. separates traffic proceeding in one direction from traffic proceeding in the opposite direction

Answer: D
Term
INTERNATIONAL ONLY: In which case would an overtaking vessel sound a whistle signal of two prolonged followed by one short blast?

A. when overtaking in restricted visibility
B. when overtaking in a narrow channel
C. when overtaking on open waters
D. When no other vessels are in the immediate area
Definition
B. when overtaking in a narrow channel

Answer: B, Rule 34.c. When in sight of one another in a narrow channel or fairway a vessel intending to overtake another shall indicate her intention by sounding two prolonged blasts followed by one short blast to mean "I intend to overtake you on your starboard side" or two prolonged blasts followed by two short blasts to mean "I intend to overtake you on your port side". The vessel about to be overtaken shall indicate her agreement by sounding one prolonged, one short, one prolonged, and one short blast.
Term
INTERNATIONAL ONLY: When vessels are in sight of one another, two short blasts from one of the vessels means ______.

A. I am altering my course to starboard
B. I am altering my course to port
C. I intend to change course to starboard
D. I intend to change course to port
Definition
B. I am altering my course to port

Answer: B, Rule 34.a. When vessels are in sight of one another, a power driven vessel underway, when maneuvering as authorized or required by these rules, shall indicate that maneuver by sounding one short blast to mean I am altering my course to starboard, two short blasts to mean I am altering course to port, and three short blasts to mean I am operating astern propulsion.
Term
INTERNATIONAL ONLY: Which vessel may NOT exhibit two red lights in a vertical line?

A. a vessel constrained by her draft
B. a trawler
C. a vessel aground
D. a dredge
Definition
A. a vessel constrained by her draft

Answer: A, Rule 28 A vessel constrained by her draft may, in addition to running lights, exhibit where they can best be seen three all-round red lights in a vertical line, or a cylinder.
Term
INTERNATIONAL ONLY: Vessel "A" is overtaking vessel "B" on open waters and will pass without changing course. Vessel "A" __________.

A. should sound two short blasts
B. should sound the danger signal
C. should sound one long blast
D. need not sound any whistle signals
Definition
D. need not sound any whistle signals

Answer: D, Rule 34.c. When in sight of one another in a narrow channel or fairway a vessel intending to overtake another shall indicate her intention by sounding two prolonged blasts followed by one short blast to mean "I intend to overtake you on your starboard side" or two prolonged blasts followed by two short blasts to mean "I intend to overtake you on your port side". The vessel about to be overtaken shall indicate her agreement by sounding one prolonged, one short, one prolonged, and one short blast.
Term
INTERNATIONAL ONLY: Of the vessels listed, which must keep out of the way of all the others?

A. a vessel constrained by her draft
B. a vessel restricted in her ability to maneuver
C. A vessel on pilotage duty
D. a vessel engaged in fishing
Definition
C. A vessel on pilotage duty

Answer: C, Rule 18 Pilot vessels are considered power driven vessels
Term
INTERNATIONAL ONLY: Which of the following vessels would NOT sound a fog signal of one prolonged and two short blasts?

A. a vessel not under command
B. a vessel constrained by her draft
C. a vessel being towed
D. a vessel sailing
Definition
C. a vessel being towed

Answer: C, , Rule 35.e (Int) A vessel towed, or if more than one vessel is towed the last vessel of the tow, if manned, shall at intervals of not more than 2 minutes sound one prolonged followed by three short blasts. When practicable, this signal shall be made immediately after the signal made by the towing vessel.
Term
INTERNATIONAL ONLY: You intend to overtake a vessel in a narrow channel, and you intend to pass along the vessel's port side. How should you signal your intention?

A. no signal is necessary
B. two prolonged blasts
C. two short blasts
D. two prolonged followed by two short blasts
Definition
D. two prolonged followed by two short blasts

Answer: D, Rule 34.c. When in sight of one another in a narrow channel or fairway a vessel intending to overtake another shall indicate her intention by sounding two prolonged blasts followed by one short blast to mean "I intend to overtake you on your starboard side" or two prolonged blasts followed by two short blasts to mean "I intend to overtake you on your port side". The vessel about to be overtaken shall indicate her agreement by sounding one prolonged, one short, one prolonged, and one short blast.
Term
INTERNATIONAL ONLY: A vessel sounds two short blasts. This signal indicates the vessel _____.

A. intends to alter course to port
B. intends to pass starboard to starboard
C. is altering course to port
D. will alter course to port
Definition
C. is altering course to port

Answer: C, Rule 34.a. When vessels are in sight of one another, a power driven vessel underway, when maneuvering as authorized or required by these rules, shall indicate that maneuver by sounding one short blast to mean I am altering my course to starboard, two short blasts to mean I am altering course to port, and three short blasts to mean I am operating astern propulsion.
Term
INTERNATIONAL ONLY: A vessel sounds one short blast. This signal indicates the vesel _____.

A. intends to alter course to starboard
B. intends to pass starboard to starboard
C. is altering course to starboard
D. intends to pass port to port
Definition
C. is altering course to starboard

Answer: C, Rule 34.a. When vessels are in sight of one another, a power driven vessel underway, when maneuvering as authorized or required by these rules, shall indicate that maneuver by sounding one short blast to mean I am altering my course to starboard, two short blasts to mean I am altering course to port, and three short blasts to mean I am operating astern propulsion.
Term
INTERNATIONAL ONLY: You are underway in a narrow channel, and you are being overtaken by a vessel astern. After the overtaking vessel sounds the proper signal indicating his intention to pass your vessel on your starboard side, you signal your agreement by sounding __________.

A. one short blast
B. two prolonged blasts
C. two prolonged followed by two short blasts
D. one prolonged, one short, one prolonged and one short blast in that order
Definition
D. one prolonged, one short, one prolonged and one short blast in that order

Answer: D, Rule 34.c When in sight of one another in a narrow channel or fairway a vessel intending to overtake another shall indicate her intention by sounding two prolonged blasts followed by one short blast to mean "I intend to overtake you on your starboard side" or two prolonged blasts followed by two short blasts to mean "I intend to overtake you on your port side". The vessel about to be overtaken shall indicate her agreement by sounding one prolonged, one short, one prolonged, and one short blast.
Term
INTERNATIONAL ONLY: When two vessels are in sight of one another, all of the following signals are appropriate EXCEPT _______.

A. a light signal of at least five short and rapid flashes
B. four short blasts on the whistle
C. one prolonged, one short, one prolonged nd one short blast on the whistle, in that order
D. two short blasts on the whistle
Definition
B. four short blasts on the whistle

Answer: B, Rule 35.j (Int) A pilot vessel when engaged on pilotage duty may, in addition to the sound signals for a power driven vessel underway making way, underway not making way, or at anchor, may sound an identity signal consisting of four short blasts.
Term
INTERNATIONAL ONLY: A sailing vessel is overtaking a vessel in a narrow channel, so as to pass on the power-driven vessel's port side. The overtaken vessel will have to move to facilitate passage. The sailing vessel is the _______.

A. stand-on vessel and would sound two short blasts
B. give-way vessel and would sound no whistle signal
C. stand-on vessel and would sound no whistle signal
D. give-way vessel and would sound two prolonged blasts followed by two short blasts
Definition
D. give-way vessel and would sound two prolonged blasts followed by two short blasts

Answer: D, Rule 34.c. When in sight of one another in a narrow channel or fairway a vessel intending to overtake another shall indicate her intention by sounding two prolonged blasts followed by one short blast to mean "I intend to overtake you on your starboard side" or two prolonged blasts followed by two short blasts to mean "I intend to overtake you on your port side". The vessel about to be overtaken shall indicate her agreement by sounding one prolonged, one short, one prolonged, and one short blast. , Rule 13.a. Any vessel overtaking any other shall keep out of the way of the vessel being overtaken.
Term
INTERNATIONAL ONLY: A vessel constrained by her draft may display ______.

A. three all-round red lights
B. two 225* red lights
C. three all-round blue lights
D. two 225* blue lights
Definition
A. three all-round red lights

Answer: A, Rule 28 A vessel constrained by her draft may, in addition to running lights, exhibit where they can best be seen three all-round red lights in a vertical line, or a cylinder.
Term
INTERNATIONAL ONLY: When two vessels are meeting, a two blast whistle signal by either of the vessels indicates ____.

A. I intend to alter course to port
B. I desire to pass starboard to starboard
C. I desire to pass port ot port
D. I am altering course to port
Definition
D. I am altering course to port

Answer: D, Rule 34.a. When vessels are in sight of one another, a power driven vessel underway, when maneuvering as authorized or required by these rules, shall indicate that maneuver by sounding one short blast to mean I am altering my course to starboard, two short blasts to mean I am altering course to port, and three short blasts to mean I am operating astern propulsion.
Term
INTERNATIONAL ONLY: A 20-meter power-driven vessel pushing ahead or towing alongside will display _____.

A. a single white light forward
B. two masthead lights in a vertical line
C. two towing lights in a vertical line
D. two all-round red lights where they can best be seen
Definition
B. two masthead lights in a vertical line

Answer: B, Rule 24.a. A power driven vessel when towing astern shall exhibit two masthead lights in a vertical line (when the length of the tow, measuring from the stern of towing vessel to the stern of the tow exceeds 200 meters then three masthead lights in a vertical line), sidelights, a sternlight, a towing light in a vertical line above the sternlight, and when the length of tow exceeds 200 meters, a diamond shape where it can best be seen.
Term
INTERNATIONAL ONLY: Which statement applies to a vessel "constrained by her draft?"

A. She is severely restricted in her ability to change her course becasue of her draft in relation to the available depth of water
B. the term applies only to vessels in marked channels
C. she is designed as a "vessel restricted in her ability to maneuver
D. the vessel must be over 100 meters in length
Definition
A. She is severely restricted in her ability to change her course becasue of her draft in relation to the available depth of water

Answer: A, Rule 3.h. The term "vessel constrained by her draft" means a power driven vessel which, because of her draft in relation to the available depth and width of navigable water is severely restricted in her ability to deviate from the course she is following. .
Term
INTERNATIONAL ONLY: A vessel using a traffic separation scheme shall ______.

A. only anchor in the separation zone
B. avoid crossing traffic lanes, but if obliged to do so, shall cross on a heading at as small an angle as is practical
C. avoid anchoring in areas near the termination of the scheme
D. use the separation zone for navigating through the scheme if she is hindering other traffic due to her slower speed
Definition
C. avoid anchoring in areas near the termination of the scheme

Answer: C, Rule 10.g. A vessel shall so far as practicable avoid anchoring in a traffic separation scheme or in areas near its terminations.
Term
INTERNATIONAL ONLY: A whistle signal of one prolonged, one short, one prolonged and one short blast, is sounded by a vessel ________.

A. at anchor
B. towing a submerged object
C. being overtaken in a narrow channel
D. in distress
Definition
C. being overtaken in a narrow channel

Answer: C, Rule 34.c. When in sight of one another in a narrow channel or fairway a vessel intending to overtake another shall indicate her intention by sounding two prolonged blasts followed by one short blast to mean "I intend to overtake you on your starboard side" or two prolonged blasts followed by two short blasts to mean "I intend to overtake you on your port side". The vessel about to be overtaken shall indicate her agreement by sounding one prolonged, one short, one prolonged, and one short blast.
Term
INTERNATIONAL ONLY: Your vessel is backing out of a slip in a harbor and you can see that other vessels are approaching. You should sound __________.

A. three short blasts
B. one long blast followed by three short blasts when the last line is taken aboard
C. one prolonged blast only
D. the danger signal
Definition
A. three short blasts

Answer: A, Rule 34.a. When vessels are in sight of one another, a power driven vessel underway, when maneuvering as authorized or required by these rules, shall indicate that maneuver by sounding one short blast to mean I am altering my course to starboard, two short blasts to mean I am altering course to port, and three short blasts to mean I am operating astern propulsion.
Term
INTERNATIONAL ONLY: Which vessel is to keep out of the way of the others?

A. a vessel constrained by her draft
B. a vessel engaged in underwater operations
C. a vessel engaged in trawling
D. a vessel not under command
Definition
C. a vessel engaged in trawling

Answer: C, Rule 18.c. A vessel engaged in fishing when underway shall, so far as possible, keep out of the way of a vessel not under command and a vessel restricted in her ability to maneuver.
Term
INTERNATIONAL ONLY: You are in sight of a power-driven vessel that sounds two short blasts of the whistle. This signal means that the vessel ____________.

A. is altering course to port
B. is altering course to starboard
C. intends to leave you on her port side
D. intends to leave you on her starboard side
Definition
A. is altering course to port

Answer: A, Rule 34.a. When vessels are in sight of one another, a power driven vessel underway, when maneuvering as authorized or required by these rules, shall indicate that maneuver by sounding one short blast to mean I am altering my course to starboard, two short blasts to mean I am altering course to port, and three short blasts to mean I am operating astern propulsion.
Term
INTERNATIONAL ONLY: You are operating a vessel through a narrow channel and your vessel must stay within the channel to be navigated safely. Another vessel is crossing your course from starboard to port, and you are in doubt as to his intentions. You __________.

A. may sound the danger signal
B. may sound one prolonged and two short blasts
C. should sound one short blast to indicate that you are holding course and speed
D. are required to back down.
Definition
A. may sound the danger signal

Answer: A, Rule 9.d.. A vessel shall not cross a narrow channel or fairway if such crossing impedes the passage of a vessel which can safely navigate only within such channel or fairway. The latter vessel may use the danger signal if in doubt as to the intention of the crossing vessel. .
Term
INTERNATIONAL ONLY: If you sighted three red lights in a vertical line on another vessel at night, it would be a vessel ____.

A. aground
B. constrained by her draft
C. dredging
D. moored over a wreck
Definition
B. constrained by her draft

Answer: B, Rule 28 A vessel constrained by her draft may, in addition to running lights, exhibit where they can best be seen three all-round red lights in a vertical line, or a cylinder.
Term
INTERNATIONAL ONLY: On open water two vessels are in an overtaking situation. The overtaking vessel has just sounded one short blast on the whistle. What is the meaning of this whistle signal?

A. I request permission to pass you on my port side
B. I will maintain course and speed and pass you on your starboard side
C. On which side should I pass
D. I am changing course to starboard
Definition
D. I am changing course to starboard

Answer: D, Rule 34.c. Overtaking signals shall be passed "When in sight of one another in a narrow channel or fairway". Rule 34.a. When vessels are in sight of one another, a power driven vessel underway, when maneuvering as authorized or required by these rules, shall indicate that maneuver by sounding one short blast to mean I am altering my course to starboard, two short blasts to mean I am altering course to port, and three short blasts to mean I am operating astern propulsion.
Term
INTERNATIONAL ONLY: You are underway in fog and hear a fog signal consisting of one prolonged and two short blasts. It could be any of the following EXCEPT a vessel __________.

A. engaged in minesweeping
B. engaged in fishing
C. constrained by her draft
D. being towed
Definition
D. being towed

Answer: D, , Rule 35.e (Int) A vessel towed, or if more than one vessel is towed the last vessel of the tow, if manned, shall at intervals of not more than 2 minutes sound one prolonged followed by three short blasts. When practicable, this signal shall be made immediately after the signal made by the towing vessel.
Term
INTERNATIONAL ONLY: Which signal may be sounded by one of two vessels in sight of each other?

A. Four short blasts on the whistle
B. one prolonged blast on the whistle
C. one short blast on the whistle followed by one flash on a light
D. One short, one prolonged, and one short blast on the whistle
Definition
C. one short blast on the whistle followed by one flash on a light

Answer: C, Rule 34 When power driven vessels are in sight of one another, one short blast, or the corresponding light flash, is a valid maneuvering signal.
Term
INTERNATIONAL ONLY: A signal of one prolonged, one short, one prolonged, and one short blast, in that order is given by a vessel _____________.

A. engaged on pilotage duty
B. in distress
C. at anchor
D. being overtaken in a narrow channel
Definition
D. being overtaken in a narrow channel

Answer: D, Rule 34.c. When in sight of one another in a narrow channel or fairway a vessel intending to overtake another shall indicate her intention by sounding two prolonged blasts followed by one short blast to mean "I intend to overtake you on your starboard side" or two prolonged blasts followed by two short blasts to mean "I intend to overtake you on your port side". The vessel about to be overtaken shall indicate her agreement by sounding one prolonged, one short, one prolonged, and one short blast.
Term
INTERNATIONAL ONLY: In addition to her running lights, an underway vessel constrained by her draft shall carry in a vertical line ___________.

A. a red light, a white light, and a red light
B. two red lights
C. two white lights
D. three red lights
Definition
D. three red lights

Answer: D, Rule 28 A vessel constrained by her draft may, in addition to running lights, exhibit where they can best be seen three all-round red lights in a vertical line, or a cylinder.
Term
INTERNATIONAL ONLY: Which of the following vessels is NOT regarded as being "restricted in her ability to maneuver"?

A. A vessel servicing an aid to navigation
B. a vessel engaged in dredging
C. a towing vessel with tow unable to deviate from its course
D. a vessel constrained by her draft
Definition
D. a vessel constrained by her draft

Answer: D, Rule 3.g. The term "vessel restricted in her ability to maneuver" means a vessel which from the nature of her work is restricted in her ability to maneuver as required by these rules and is therefore unable to keep out of the way of another vessel.
Term
INTERNATIONAL ONLY: When two vessels are in sight of one another, all of the following signals may be given EXCEPT _____.

A. a light signal of at least five short and rapid flashes
B. one prolonged, one short, one prolonged and one short whistle blasts
C. four short whistle blasts
D. two short whistle blasts
Definition
C. four short whistle blasts

Answer: C, Rule 35.j (Int) A pilot vessel when engaged on pilotage duty may, in addition to the sound signals for a power driven vessel underway making way, underway not making way, or at anchor, may sound an identity signal consisting of four short blasts.
Term
INTERNATIONAL ONLY: In a narrow channel, an overtaking vessel which intends to PASS on the other vessel's port side would sound ______.

A. one prolonged followed by two short blasts
B. one short blast
C. two prolonged followed by two short blasts
D. two short blasts
Definition
C. two prolonged followed by two short blasts

Answer: C, Rule 34.c. When in sight of one another in a narrow channel or fairway a vessel intending to overtake another shall indicate her intention by sounding two prolonged blasts followed by one short blast to mean "I intend to overtake you on your starboard side" or two prolonged blasts followed by two short blasts to mean "I intend to overtake you on your port side". The vessel about to be overtaken shall indicate her agreement by sounding one prolonged, one short, one prolonged, and one short blast.
Term
INTERNATIONAL ONLY: Two prolonged blasts followed by one short blast on the whistle is a signal which would be sounded by a vessel ________.

A. overtaking another in a narrow channel
B. anchored
C. engaged in mineclearance
D. engaged in fishing
Definition
A. overtaking another in a narrow channel

Answer: A, Rule 34.c. When in sight of one another in a narrow channel or fairway a vessel intending to overtake another shall indicate her intention by sounding two prolonged blasts followed by one short blast to mean "I intend to overtake you on your starboard side" or two prolonged blasts followed by two short blasts to mean "I intend to overtake you on your port side". The vessel about to be overtaken shall indicate her agreement by sounding one prolonged, one short, one prolonged, and one short blast.
Term
INTERNATIONAL ONLY: You intend to overtake a vessel in a narrow channel, and you intend to pass along the vessel's port side. How should you signal your intentions?

A. Two short blasts followed by two prolonged blasts
B. Two prolonged followed by two short blasts
C. Two prolonged blasts only
D. Two short blasts only
Definition
B. Two prolonged followed by two short blasts

Answer: B, Rule 34.c. When in sight of one another in a narrow channel or fairway a vessel intending to overtake another shall indicate her intention by sounding two prolonged blasts followed by one short blast to mean "I intend to overtake you on your starboard side" or two prolonged blasts followed by two short blasts to mean "I intend to overtake you on your port side". The vessel about to be overtaken shall indicate her agreement by sounding one prolonged, one short, one prolonged, and one short blast.
Term
INTERNATIONAL ONLY: You are underway in a narrow channel, and you are being overtaken by a vessel astern. After the overtaking vessel sounds the proper signal indicating his intention to pass your vessel on your starboard side, you signal your agreement by sounding __________.

A. two prolonged followed by two short blasts
B. one prolonged, one short, one prolonged and one short blast
C. one short blast
D. two prolonged blasts
Definition
B. one prolonged, one short, one prolonged and one short blast

Answer: B, Rule 34.c. When in sight of one another in a narrow channel or fairway a vessel intending to overtake another shall indicate her intention by sounding two prolonged blasts followed by one short blast to mean "I intend to overtake you on your starboard side" or two prolonged blasts followed by two short blasts to mean "I intend to overtake you on your port side". The vessel about to be overtaken shall indicate her agreement by sounding one prolonged, one short, one prolonged, and one short blast.
Term
INTERNATIONAL ONLY: Vessel "A" is overtaking vessel "B" on open waters and will pass without changing course. Vessel "A" _______________.

A. should sound two prolonged blasts followed by two short blasts
B. should sound the danger signal
C. need not sound any whistle signals
D. should sound one long blast
Definition
C. need not sound any whistle signals

Answer: C, Rule 34.c. Overtaking signals only apply in a "narrow channel or fairway"
Term
INTERNATIONAL ONLY: Which signal is only sounded by a power-driven vessel?

A. A signal meaning I intend to overtake you on your starboard side
B. A signal meaning that the vessel sounding it is in doubt as to the other vessel's actions
C. A signal meaning "I am altering my course to starboard
D. A signal sounded when approaching a bend
Definition
C. A signal meaning "I am altering my course to starboard

Answer: C, Rule 34.a. When vessels are in sight of one another, a power driven vessel underway, when maneuvering as authorized or required by these rules, shall indicate that maneuver by sounding one short blast to mean I am altering my course to starboard, two short blasts to mean I am altering course to port, and three short blasts to mean I am operating astern propulsion.
Term
INTERNATIONAL ONLY: Which signal is appropriate from one of two vessels in sight of each other?

A. One short blast on the whistle followed by one flash on a light
B. four short blasts on the whistle
C. One prolonged blast on the whistle
D. One short, one prolonged, and one short blast on the whistle
Definition
A. One short blast on the whistle followed by one flash on a light

Answer: A, Rule 34.b.i. A vessel may supplement whistle signals by light signals. Three flashes mean "I am operating astern propulsion"
Term
INTERNATIONAL ONLY: The light which may be used with a vessel's whistle must be _______.

A. used when the whistle is broken
B. a white light
C. used only at night
D. used prior to sounding the whistle
Definition
B. a white light

Answer: B, Rule 34,b,iii The light used as a supplement to whistle signals shall, if fitted, be an all-round white light
Term
INTERNATIONAL ONLY: Which statement is true concerning light signals?

A. the time between flashes shall be about five seconds
B. the light signals are to be used when not using sound signals
C. the time between successive signals shall be not less than 10 seconds
D. all of the above
Definition
C. the time between successive signals shall be not less than 10 seconds

Answer: C, Rule 34,b,iii The light used as a supplement to whistle signals shall, if fitted, be an all-round white light
Term
INTERNATIONAL ONLY: At night, a power-driven vessel less than 7 meters in length, with a maximum speed which does not exceed 7 knots, may show when under way __________.

A. a combination lantern
B. sidelights and a white sternlight
C. one all-round white light
D. a lantern showing a white light exhibited in sufficient time to prevent collision
Definition
C. one all-round white light

Answer: C, Rule 23.c.ii. A power driven vessel of less than 7 meters in length whose maximum speed does not exceed 7 knots may in lieu of the lights prescribed for a power driven vessel, exhibit an all-round white light and shall, if practicable, also exhibit sidelights.
Term
INTERNATIONAL ONLY: At night, a power-driven vessel less than 7 meters in length, with a maximum speed which does not exceed 7 knots, must show when underway at least ___________.

A. one white 360* light
B. a white light on the near approach of another vessel
C. sidelights and a sternlight
D. the lights required of a vessel less than 12 meters in length
Definition
A. one white 360* light

Answer: A, Rule 23.c.ii. A power driven vessel of less than 7 meters in length whose maximum speed does not exceed 7 knots may in lieu of the lights prescribed for a power driven vessel, exhibit an all-round white light and shall, if practicable, also exhibit sidelights.
Term
INTERNATIONAL ONLY: Lighting requirements in inland waters are different from those for international waters for ____.

A. barges being towed astern
B. vessels not under command
C. vessels towing by pushing ahead
D. all of the above
Definition
C. vessels towing by pushing ahead

Answer: C, Rule 24.c. A power-driven vessel, when pushing ahead or towing alongside, shall exhibit two masthead lights in a vertical line, sidelights, and a sternlight.
Term
INTERNATIONAL ONLY: A 20-meter power-driven vessel pushing ahead or towing alongside will display _________.

A. two towing lights in a vertical line
B. a towing light above the sternlight
C. two all-round red lights at the masthead
D. two masthead lights in a vertical line
Definition
D. two masthead lights in a vertical line

Answer: D. Rule 24.c. A power-driven vessel, when pushing ahead or towing alongside, shall exhibit two masthead lights in a vertical line, sidelights, and a sternlight.
Term
INTERNATIONAL ONLY: A towing light ________.

A. flashes at regular intervals of 50-70 flashes per minute
B. is yellow in color
C. shows an unbroken light over an arc of the horizon of not less than 180* nor more than 225*
D. all of the above
Definition
B. is yellow in color

Answer: B, Rule 21.d. "Towing light" means a yellow light having the same characteristics as the sternlight.
Term
INTERNATIONAL ONLY: A towing light is _______.

A. shown below the sternlight
B. white in color
C. displayed at the masthead
D. a light having the same characteristics as the stern light
Definition
D. a light having the same characteristics as the stern light

Answer: D, Rule 21.d. "Towing light" means a yellow light having the same characteristics as the sternlight.
Term
INTERNATIONAL ONLY: Systems of inbound and outbound lanes to promote the safe flow of vessel traffic in certain areas around the world are known as ______________.

A. merchant vessel reporting systems
B. traffic separation schemes
C. collision avoidance fairways
D. restricted maneuverability channels
Definition
B. traffic separation schemes

Answer: B,
Term
INTERNATIONAL ONLY: Traffic separation schemes established by the international maritime organization _____.

A. provide inbound and outbound lanes to promote the safe flow of vessel traffic
B. provide vessel reporting systems to assist in search and rescue in the event of a vessel casualty
C. provide routing and scheduling procedures to reduce shipping delays
D. prohibit vessels carrying hazardous cargoes from entering waters that are environmentally sensitive
Definition
A. provide inbound and outbound lanes to promote the safe flow of vessel traffic

Answer: A,
Term
INTERNATIONAL ONLY: A vessel constrained by her draft may display ____.

A. three all-round red lights instead of the lights required for a power-driven vessel
B. the same lights as a vessel restricted in her ability to maneuver
C. Three all-round red lights in addition to the lights required for a power-driven vessel of her class
D. the lights for a power-driven vessel which is not under command
Definition
C. Three all-round red lights in addition to the lights required for a power-driven vessel of her class

Answer: C, Rule 28 A vessel constrained by her draft may, in addition to running lights, exhibit where they can best be seen three all-round red lights in a vertical line, or a cylinder.
Term
INTERNATIONAL ONLY: What dayshape is prescribed for a vessel constrained by her draft

A. black diamond
B. cylinder
C. black ball
D. black cone, apex upward
Definition
B. cylinder

Answer: B, Rule 28 A vessel constrained by her draft may, in addition to running lights, exhibit where they can best be seen three all-round red lights in a vertical line, or a cylinder.
Term
INTERNATIONAL ONLY: If at night a vessel displays three all-round red lights in a vertical line, during the day she may show ____.

A. two cones, base to base
B. three black balls in a vertical line
C. cylinder
D. cone, apex downward
Definition
C. cylinder

Answer: C, Rule 28 A vessel constrained by her draft may, in addition to running lights, exhibit where they can best be seen three all-round red lights in a vertical line, or a cylinder.
Term
INTERNATIONAL ONLY: A vessel displaying three red lights in a vertical line is ________.

A. restricted in her ability to maneuver
B. not under command
C. engaged in mineclearing operations
D. constrained by her draft
Definition
D. constrained by her draft

Answer: D, Rule 28 A vessel constrained by her draft may, in addition to running lights, exhibit where they can best be seen three all-round red lights in a vertical line, or a cylinder.
Term
INTERNATIONAL ONLY: The international Rules of the Road apply _________.

A. to all waters
B. to any waters inside the territorial waters of the U.S.
C. only to waters where foreign vessels travel
D. upon the high seas and connecting waters navigable by seagoing vessels
Definition
D. upon the high seas and connecting waters navigable by seagoing vessels

Answer: D, Rule 1.a. These rules shall apply to all vessels upon the high seas and in all waters connected therewith navigable by seagoing vessels.
Term
INTERNATIONAL ONLY: Which statement applies to a vessel "constrained by her draft"?

A. the term only applies to vessels in narrow channels
B. she is severely restricted in her ability to change her course because of her draft in relation to the available depth and width of navigable water
C. She is designated as a "vessel restricted in her ability to maneuver"
D. the vessel must be over 100 meters in length
Definition
B. she is severely restricted in her ability to change her course because of her draft in relation to the available depth and width of navigable water

Answer: B, Rule 3.h. The term "vessel constrained by her draft" means a power driven vessel which, because of her draft in relation to the available depth and width of navigable water is severely restricted in her ability to deviate from the course she is following.
Term
INTERNATIONAL ONLY: Which statement is true concerning a vessel "constrained by her draft"?

A. she is hampered because of her work
B. she is unable to maneuver due to some exceptional circumstance
C. she may be a vessel being towed
D. she must be a power-driven vessel
Definition
D. she must be a power-driven vessel

Answer: D, Rule 3.h. The term "vessel constrained by her draft" means a power driven vessel which, because of her draft in relation to the available depth and width of navigable water is severely restricted in her ability to deviate from the course she is following.
Term
INTERNATIONAL ONLY: Which of the following vessels is NOT "restricted in her ability to maneuver"?

A. a vessel servicing an aid to navigation
B. a vessel constrained by her draft
C. a towing vessel with tow, unable to deviate from its course
D. a vessel engaged in dredging
Definition
B. a vessel constrained by her draft

Answer: B, Rule 3.g. The term "vessel restricted in her ability to maneuver" means a vessel which from the nature of her work is restricted in her ability to maneuver as required by these rules and is therefore unable to keep out of the way of another vessel.
Term
INTERNATIONAL ONLY: Your vessel is constrained by draft and operating in a narrow channel. Another vessel is crossing your course from starboard to port, and you are in doubt as to her intentions. You ____.

A. should sound one short blast to indicate that you are holding course and speed
B. must sound one prolonged blast
C. may sound the danger signal
D. are required to back down
Definition
C. may sound the danger signal

Answer: C, Rule 9.d.. A vessel shall not cross a narrow channel or fairway if such crossing impedes the passage of a vessel which can safely navigate only within such channel or fairway. The latter vessel may use the danger signal if in doubt as to the intention of the crossing vessel.
Term
INTERNATIONAL ONLY: Your vessel is crossing a narrow channel and a vessel to port is within the channel and crossing your course. She is showing a black cylinder. You should ________.

A. hold your course and speed
B. not impede the other vessel
C. exchange passing signals
D. sound the danger signal
Definition
B. not impede the other vessel

Answer: B, Rule 18.d.ii. A vessel constrained by her draft shall navigate with particular caution having full regard to her special condition.
Term
INTERNATIONAL ONLY: In a traffic separation scheme, when joining a traffic lane from the side, a vessel shall do so _____.

A. only in case of an emergency or to engage in fishing within the zone
B. as nearly as practical at right angles to the general direction of traffic flow
C. at as small an angle as possible
D. only to anchor within the zone
Definition
C. at as small an angle as possible

Answer: C, , Rule 10.b.iii. A vessel using a traffic separation scheme shall normally join or leave a traffic lane at the termination of the lane, but when joining or leaving from either side shall do so at as small an angle to the general direction of traffic flow as practicable.
Term
INTERNATIONAL ONLY: A traffic separation zone is that part of a traffic separation scheme which _____.

A. is located between the scheme and the nearest land
B. separates traffic proceeding in one direction from traffic proceeding in the opposite direction
C. is designed as an anchorage area
D. contains all the traffic moving in the same direction
Definition
B. separates traffic proceeding in one direction from traffic proceeding in the opposite direction

Answer: B
Term
INTERNATIONAL ONLY: A vessel using a traffic separation scheme shall NOT ____________.

A. cross a traffic lane
B. engage in fishing in the separation zone
C. proceed in an inappropriate traffic lane
D. enter the separation zone
Definition
C. proceed in an inappropriate traffic lane

Answer: C, Rule 10.b.i. A vessel using a traffic separation scheme shall proceed in that appropriate traffic lane in the general direction of traffic flow for that lane.
Term
INTERNATIONAL ONLY: There are two classes of vessels which do not have to comply with the rule regarding traffic separation schemes, to the extent necessary to carry out their work. One of those is a vessel ____________.

A. engaged in fishing
B. towing another
C. servicing a navigational aid
D. on pilotage duty
Definition
C. servicing a navigational aid

Answer: C, Rule 10.k. A vessel restricted in her ability to maneuver when engaged in an operation for the maintenance of safety of navigation in a traffic separation scheme is exempted from complying with this rule to the extent necessary to carry out the operation.
Term
INTERNATIONAL ONLY: A vessel using a traffic separation scheme shall ___________.

A. Avoid anchoring in areas near the termination of the scheme
B. avoid crossing traffic lanes, but if obliged to do so, shall cross on a heading at as small an angle as is practical
C. only anchor in the separation zone
D. use the separation zone for navigating through the scheme if she is hindering other traffic due to her slower speed
Definition
A. Avoid anchoring in areas near the termination of the scheme

Answer: A, Rule 10.g. A vessel shall so far as practicable avoid anchoring in a traffic separation scheme or in areas near its terminations.
Term
INTERNATIONAL ONLY: Your vessel is backing out of a slip in a harbor, and visibility is restricted looking upstream. You should sound ____________.

A. one prolonged blast only
B. one long blast followed by three short blasts when the last line is taken aboard
C. one prolonged blast followed by three short blasts when leaving the slip
D. the danger signal
Definition
A. one prolonged blast only

Answer: A, Rule 35.a In or near an area of restricted visibility, whether by day or night, a power driven vessel making way through the water shall sound at intervals of not more than 2 minutes one prolonged blast.
Term
INTERNATIONAL ONLY: Traffic separation schemes established by the international maritime organization

A. provide routing and scheduling procedures to reduce shipping delays
B. provide traffic patterns in congested areas, so that vessels can operate without having a separate lookout
C. provide inbound and outbound lanes to promote the safe flow of vessel traffic
D. prohibit vessels carrying hazardous cargoes from entering waters that are environmentally sensitive
Definition
C. provide inbound and outbound lanes to promote the safe flow of vessel traffic

Answer: C,
Term
INTERNATIONAL ONLY: You are approaching another vessel and will pass starboard to starboard without danger if no course changes are made. You should ___________.

A. hold course and sound no whistle signal
B. hold course and sound a two blast whistle signal
C. change course to starboard and sound one blast
D. hold course and sound one blast
Definition
A. hold course and sound no whistle signal

Answer: A, Rule 34.a. When vessels are in sight of one another, a power driven vessel underway, when maneuvering as authorized or required by these rules, shall indicate that maneuver by sounding one short blast to mean I am altering my course to starboard, two short blasts to mean I am altering course to port, and three short blasts to mean I am operating astern propulsion.
Term
INTERNATIONAL ONLY: Which of the following statements is true concerning a situation involving a fishing vessel and a vessel not under command?

A. they are required to communicate by radiotelephone
B. If the vessel not under command is a power-driven vessel, she must keep clear of the fishing vessel
C. The fishing vessel must keep out of the way of the vessel not under command
D. both vessels are required to take action to stay clear of each other
Definition
C. The fishing vessel must keep out of the way of the vessel not under command

Answer: C, Rule 18.c. A vessel engaged in fishing when underway shall, so far as possible, keep out of the way of a vessel not under command and a vessel restricted in her ability to maneuver.
Term
INTERNATIONAL ONLY: Of the vessels listed, which must keep out of the way of all the others?

A. A vessel constrained by her draft
B. A vessel restricted in her ability to maneuver
C. A vessel pushing a barge
D. A vessel engaged in fishing
Definition
C. A vessel pushing a barge

Answer: C, Rule 18
Term
INTERNATIONAL ONLY: Which vessel shall avoid impeding the safe passage of a vessel constrained by her draft?

A. a vessel not under command
B. a sailing vessel
C. A vessel restricted in her ability to maneuver
D. all of the above
Definition
B. a sailing vessel

Answer: B, Rule 18.d.i. Any vessel other than a vessel not under command or restricted in ability to maneuver shall, if circumstances of the case admit, avoid impeding the safe passage of a vessel constrained by her draft, exhibiting the signals in Rule 28.
Term
INTERNATIONAL ONLY: A signal of intent must be sounded in international waters by ______.

A. a vessel meeting another head to head
B. a vessel overtaking another in a narrow channel
C. a vessel crossing the course of another
D. the give-way vessel in a crossing situation
Definition
B. a vessel overtaking another in a narrow channel

Answer: B, Rule 34.c.i. When in sight of one another in a narrow channel or fairway, a vessel intending to overtake another shall indicate her intention by maneuvering signals of two prolonged followed by one short blast which means I intend to overtake you on your starboard side, or two prolonged followed by two short blasts which means I intend to overtake you on your port side.
Term
INTERNATIONAL ONLY: Yellow lights are NOT used to identify _______.

A. towing vessels pushing ahead
B. air cushion vessels in a nondisplacement mode
C. purse seiners
D. US Submarines
Definition
A. towing vessels pushing ahead

Answer: A, Rule 24.c. A power-driven vessel, when pushing ahead or towing alongside, shall exhibit two masthead lights in a vertical line, sidelights, and a sternlight.
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