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IRPCS Question Bank

IRPCS

Multiple Choice Questions

Question Bank

A Local Work Up Team (West) Initiative

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IRPCS Question Bank

TABLE OF CONTENTS

Chapter Contents Page Numbers

Title (i)Contents (ii)Chapter I Part A GeneralChapter II Part B I

Conduct Of Vessels In Any Condition Of VisibilityChapter III Part B II

Conduct Of Vessels In Sight Of One AnotherChapter IV Part B III

Conduct Of Vessels In Restricted VisibilityChapter V Part C

Lights and ShapesChapter VI Part D

Sound and Light SignalsDiagrams


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IRPCS Question Bank Part A Rule 1-3

CHAPTER 1

PART A GENERAL

1. The word "vessel", in the Rules, includes __________.a. sailing shipsb. non displacement craftc. seaplanesd. All of the above

2. The NAVIGATION RULES define a "vessel not under command" as a vesselwhich __________.

a. from the nature of her work is unable to keep out of the way of anothervesselb. through some exceptional circumstance is unable to maneuver as requiredby the rulesc. by taking action contrary to the rules has created a special circumstancesituationd. is moored, aground or anchored in a fairway

3. A vessel "restricted in her ability to maneuver" is one which __________.a. from the nature of her work is unable to maneuver as required by the rulesb. through some exceptional circumstance is unable to maneuver as requiredby the rulesc. due to adverse weather conditions is unable to maneuver as required bythe rulesd. has lost steering and is unable to maneuver

4. A vessel is "engaged in fishing" when __________.a. her gear extends more than 100 meters from the vesselb. she is using any type of gear, other than linesc. she is using fishing apparatus which restricts her maneuverabilityd. she has any fishing gear on board

5. Which factor is listed in the Rules as one which must be taken into accountwhen determining safe speed?a. The construction of the vesselb. The maneuverability of the vesselc. The experience of vessel personneld. All of the above must be taken into account.

6. Which statement is TRUE concerning seaplanes on the water?a. A seaplane must show appropriate lights but need not exhibit shapes.b. A seaplane should exhibit the lights for a vessel constrained by her draft.c. In situations where a risk of collision exists, a seaplane should always give

way.d. A seaplane on the water shall, in general, keep well clear of all vessels.


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7. The term "restricted visibility" as used in the Rules refers __________.a. only to fogb. only to visibility of less than one-half of a milec. to visibility where you cannot see shore

d. to any condition where visibility is restricted

8. According to the Navigation Rules, you may depart from the Rules when __________.

a. no vessels are in sight visuallyb. no vessels are visible on radarc. you are in immediate dangerd. out of sight of land

9. A vessel is "in sight" of another vessel when __________.a. she can be observed by radarb. she can be observed visually from the other vesselc. she can be plotted on radar well enough to determine her headingd. her fog signal can be heard

10. A vessel transferring cargo while underway is classified by the Rules as avessel __________.

a. not under commandb. in special circumstancesc. restricted in her ability to maneuverd. constrained by her draft

11. Which vessel is "underway" under the Rules of the Road?a. A vessel at anchor with the engine runningb. A vessel with a line led to a tree onshorec. A vessel drifting with the engine offd. A vessel aground

12. A vessel which is "restricted in her ability to maneuver" under the Rules, is avessel which is __________.

a. mine clearingb. engaged in fishing

c. at anchord. not under command

13. According to the Rules, which vessel is NOT "restricted in her ability tomaneuver"?

a. A vessel servicing a navigation markerb. A sailing vesselc. A vessel mine clearingd. A vessel dredging

14. All of the following vessels are "restricted in their ability to maneuver"

EXCEPT a vessel __________.


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a. laying a pipelineb. dredgingc. mine clearingd. not under command

15. In order for a stand-on vessel to take action in a situation, she must determinethat the other vessel __________.

a. is restricted in her ability to maneuverb. has sounded the danger signalc. is not taking appropriate actiond. has not changed course since risk of collision was determined

16. You are approaching a narrow channel. You see a vessel that can only benavigated safely within the channel. You should __________.

a. initiate an exchange of passing signalsb. not cross the channel if you might impede the other vesselc. sound the danger signald. hold your course and speed

17. You are approaching a narrow channel. You see a vessel that can only benavigated safely within the channel. You should __________.

a. initiate an exchange of passing signalsb. not cross the channel if you might impede the other vesselc. sound the danger signald. hold your course and speed

18. Which vessel is NOT classified as "restricted in her ability to maneuver"?a. A vessel picking up a navigation markb. A vessel transferring cargo while underwayc. A vessel whose anchor is fouledd. A vessel in a towing operation that restricts the ability of the vessel and hertow to change their course

19. Which vessel is to be regarded as a vessel "restricted in her ability tomaneuver"?

a. A vessel fishing with trawlsb. A vessel which has lost the use of her steering gear

c. A vessel with a draft of such depth that she cannot change her coursed. A vessel engaged in mine clearing

20. In order for a vessel to be "engaged in fishing" she must be __________.a. underwayb. using gear which extends more than 50 meters outboardc. using a seine of some typed. using gear which restricts her maneuverability

21. If a vessel is engaged in fishing according to the definitions in the Rules, it willhave __________.


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a. gear extending from the side or sternb. gear that restricts maneuverabilityc. less than 50 percent trolling linesd. None of the above

22. Which vessel is a "vessel restricted in her ability to maneuver" under theRules?

a. A vessel mine clearingb. A vessel engaged in fishingc. A vessel at anchord. A vessel not under command

23. To be considered "engaged in fishing" according to the Rules of the Road, avessel must be __________.

a. using fishing apparatus which restricts maneuverabilityb. using trolling linesc. power-drivend. showing lights or shapes for a vessel restricted in her ability to maneuver

24. The rules state that vessels may depart from the requirements of the Ruleswhen __________.

a. there are no other vessels aroundb. operating in a narrow channelc. the Master enters it in the ship's logd. necessary to avoid immediate danger

25. For the purpose of the Rules, except where otherwise required, the term __________.

a. "vessel" includes seaplanesb. "seaplane" includes non displacement craftc. "vessel engaged in fishing" includes a vessel fishing with trolling linesd. "vessel restricted in her ability to maneuver" includes fishing vessels

26. Which statement is TRUE concerning a "vessel engaged in fishing"?a. The vessel may be using nets, lines, or trawls.b. The vessel may be trolling.c. The vessel shows 2 lights in a vertical line, white over red.

d. The vessel sounds the same fog signal as a vessel underway, making noway.

27. Which vessel is NOT to be regarded as "restricted in her ability to maneuver"?a. A vessel transferring provisions while underwayb. A pushing vessel and a vessel being pushed when connected in acomposite unitc. A vessel servicing a navigation markd. A vessel launching aircraft

28. Under the Rules, the term "vessel" includes __________.


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a. non-self-propelled raftb. seaplanesc. hovercraftsd. All of the above

29. Which statement is TRUE concerning seaplanes on the water?a. A seaplane must exhibit appropriate lights but need not exhibit shapes.b. A seaplane should show the lights for a vessel constrained by her draught.c. In situations where a risk of collision exists, a seaplane should always giveway.d. A seaplane on the water shall, in general, keep well clear of all vessels.

30. There is a provision to depart from the Rules, if necessary, to avoid _______.a. a close-quarters situationb. an overtaking situationc. immediate dangerd. Any of the above

31. Which vessel is, by definition, unable to keep out of the way of anothervessel?

a. Vessel engaged in fishingb. Vessel restricted in her ability to maneuverc. Sailing vesseld. Vessel towing

32. According to the Navigation Rules, all of the following are engaged in fishingEXCEPT a vessel __________.

a. setting netsb. trawlingc. using a dredge netd. trolling

33. The term "power-driven vessel" refers to any vessel __________.a. with propelling machinery onboard whether in use or notb. making way against the currentc. with propelling machinery in used. traveling at a speed greater than that of the current

34. What is a vessel "restricted in her ability to maneuver"?a. A vessel not under commandb. A vessel constrained by her draughtc. A vessel underway in fogd. A vessel towing unable to deviate from her course

35. The Rules state that vessels may depart from the Rules when __________.a. there are no other vessels aroundb. operating in a narrow channelc. the Master enters it in the ship's log

d. necessary to avoid immediate danger


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44. What is a "vessel restricted in her ability to maneuver"?a. A deep-draught vessel that can only navigate in a dredged channelb. A vessel fishing with a bottom trawl that must remain on coursec. A large tanker that is being towed as a dead ship to dry dock

d. A vessel laying revetment mats to provide bank protection along a channel

45. Which breadth shown represents the breadth as defined in the Rules?(DIAGRAM 87 )

a. Ab. Bc. Cd. D

46. According to the Navigation Rules, you may depart from the Rules when ___.a. you do so to avoid immediate dangerb. no vessels are visible on radarc. you are in a close quarters situationd. out of sight of land

47. The term "restricted visibility", when used in the Rules, refers to __________.a. situations when you can see vessels on radar that you cannot see visuallyb. visibility of less than half a milec. any condition where visibility is restrictedd. visibility where you cannot see shore

48. The Navigation Rules define a "vessel not under command" as a vessel which __________.

a. from the nature of her work is unable to keep out of the way of anothervesselb. does not have a proper look-outc. by taking action contrary to the Rules has created a special circumstancesituationd. through some exceptional circumstance is unable to maneuver as requiredby the Rules

49. Which craft is a "power-driven vessel" under the Rules of the Road?

a. An auxiliary sailing vessel, using her engineb. A canoe propelled by a small outboard motorc. A trawler on her way to the fishing groundsd. All of the above

50. A vessel is "in sight" of another vessel when she __________.a. can be observed by radarb. has determined that risk of collision existsc. is sounding a fog signal which can be heard on the other vesseld. can be observed visually from the other vessel

51. Which statement is TRUE concerning a "vessel engaged in fishing"?
http://www.jule-iii.com/uscg/1/2.pdfhttp://www.jule-iii.com/uscg/1/2.pdf


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a. The vessel is classified as "restricted in her ability to maneuver".b. Her gear will not affect the vessel's maneuverability.c. The vessel may be using nets, lines, or trawls.d. She sounds the same fog signal as a vessel underway but stopped andmaking no way.

52. Which statement is TRUE concerning a "vessel engaged in fishing"?a. The vessel is classified as "restricted in her ability to maneuver".b. Her gear will not affect the vessel's maneuverability.c. The vessel may be using nets, lines, or trawls.d. She sounds the same fog signal as a vessel underway but stopped andmaking no way.

53. To be considered "engaged in fishing" under the Rules, a vessel must be __________.

a. power-drivenb. showing lights or shapes for a vessel restricted in its ability to maneuverc. using netsd. using fishing apparatus which restricts maneuverability

54. The word "vessel", in the Rules, includes __________.a. a barge permanently affixed to the shoreb. non displacement craftc. a drilling unit attached to the Outer Continental Shelfd. All of the above

55. Which vessel is, by definition, unable to keep out of the way of anothervessel?

a. Vessel engaged in fishingb. Vessel not making wayc. Vessel sailingd. Vessel restricted in her ability to maneuver

56. A vessel "restricted in her ability to maneuver" is one which __________.a. through some exceptional circumstance is unable to maneuver as requiredby the Rulesb. from the nature of her work is unable to maneuver as required by the Rules

c. due to adverse weather conditions is unable to maneuver as required bythe Rulesd. has lost steering and is unable to maneuver

57. What determines if a vessel is "restricted in her ability to maneuver"?a. Whether or not all of the vessel's control equipment is in working orderb. The vessel's draught in relation to the available depth of waterc. Whether the vessel is operating in a narrow channeld. The nature of the vessel's work, limiting maneuverability required by theRules


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58. A vessel is considered to be "restricted in her ability to maneuver" under theRules if she is __________.

a. at anchorb. mine clearingc. engaged in fishing

d. engaged in towing

59. A vessel transferring cargo while underway is classified by the Rules as avessel __________.

a. restricted in her ability to maneuverb. in special circumstancesc. not under commandd. constrained by her draught

60. Which vessel is "underway" according to the Rules?a. A vessel made fast to a single point mooring buoyb. A vessel engaged in towing, not making wayc. A pilot vessel at anchord. A vessel which has run aground

61. According to the Rules, a vessels length is her __________.a. length between the perpendicularsb. length along the waterlinec. length overalld. registered length

62. What does the word "breadth" mean in the Rules?a. Breadth on the uppermost continuous deckb. Moulded breadthc. Greatest breadthd. Breadth at the load waterline

63. What represents the length of a vessel as defined by the Rules? ( DIAGRAM86 )

a. Ab. Bc. C

d. D64. What would be a "special circumstance" under the Rules?

a. Vessel at anchorb. Two vessels meetingc. Speed in fogd. More than two vessels crossing

65. Which statement is true concerning a vessel "constrained by her draught"?a. She must be a power-driven vessel.b. She is not under command.
http://www.jule-iii.com/uscg/1/2.pdfhttp://www.jule-iii.com/uscg/1/2.pdfhttp://www.jule-iii.com/uscg/1/2.pdfhttp://www.jule-iii.com/uscg/1/2.pdf


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IRPCS Question Bank Part B Steering and Sailing Rules Section I - Conduct of Vessels in Any Condition of Visibility

CHAPTER II

PART B ICONDUCT OF VESSELS IN SIGHT OF ONE ANOTHER

(RULES 4 -10)

1. You are on vessel "B" and crossing a narrow channel. Vessel "A", who canonly navigate within the channel, is on your port bow and crossing as shown. Whichaction should you take? ( DIAGRAM 40 )

a. Maintain course and speed as the ship is on your port bow.b. Give way to the other vessel.c. Increase speed and cross his bow.d. Sound the danger signal.

2. You are on vessel "A" and proceeding down a narrow channel as shown. Youcan only navigate within the channel and vessel "B" is crossing so as to involve riskof collision. Which action would be most prudent? ( DIAGRAM 40 )

a. Back down and allow vessel "B" to cross ahead.b. Alter course to starboard to give him more room.c. Maintain course and speed.d. Sound the danger signal and take evasive action.

3. You are on vessel "A" and proceeding down a narrow channel as shown. Youcan only navigate within the channel and vessel "B" is crossing so as to involve riskof collision. Which action would be most prudent? ( DIAGRAM 40 )

a. Back down and allow vessel "B" to cross ahead.b. Alter course to starboard to give him more room.c. Maintain course and speed.d. Sound the danger signal and take evasive action.

4. Vessels "A" and "B" are meeting in a narrow channel as shown but are not insight of one another due to restricted visibility. Which statement is TRUE concerningwhistle signals between the vessels? ( DIAGRAM 29 )

a. Both vessels should sound two short blasts.b. Both vessels should sound one short blast.c. Vessel "A" should sound one short blast and vessel "B" should sound twoshort blasts.d. None of the above statements is TRUE.

5. You are on Vessel "A" engaged in fishing as shown in a narrow channel.Vessel "B" is a tanker proceeding in the channel. Vessel "B" sounds five short andrapid blasts. You should __________. ( DIAGRAM 37 )

a. not answer the whistle signals from vessel "B"b. maintain course and speedc. not impede the passage of vessel "B"d. sound one prolonged followed by two short blasts
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6. You are on a 15-meter vessel "A" in a narrow channel as shown. Vessel "B", alarge tanker which can safely navigate only within the channel, sounds five short andrapid blasts. You should __________. ( DIAGRAM 32 )

a. sound one prolonged followed by two short blasts

b. not answer the whistle signal from vessel "B"c. maintain course and speedd. not impede the passage of vessel "B"

7. Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mileapart. Which action should the vessels take? ( DIAGRAM 41 )

a. The vessels should continue on course and pass without sounding anywhistle signals.b. The vessels should exchange two blast whistle signals and pass starboardto starboard.c. The vessels should exchange one blast whistle signals and pass starboard

to starboard.d. The vessel with the tow should initiate the whistle signals.

8. Two vessels are meeting as shown in a narrow channel. Vessel "A" is asailing vessel. Vessel "B" is a power-driven vessel which can safely navigate onlywithin the channel. Vessel "B" sounds the danger signal. Vessel "A" shall

__________. ( DIAGRAM 37 )a. maintain course and speedb. not impede the passage of vessel "B"c. sound one prolonged followed by two short blastsd. have the right of way

9. Your 15-meter tug is underway and crossing a deep and narrow channel. Alarge container vessel is off your port bow on a steady bearing. Which statement isTRUE concerning this situation?

a. You should maintain course and speed.b. The container vessel is the stand-on as it is the larger vessel.c. You are not to impede the safe passage of the container vessel in thechannel.d. None of the above

10. Which statement is TRUE concerning a vessel equipped with operationalradar?

a. She must use this equipment to obtain early warning of risk of collision.b. The radar equipment is only required to be used in restricted visibility.c. The use of a radar excuses a vessel from the need of a look-out.d. The safe speed of such a vessel will likely be greater than that of vesselswithout radar.

11. You see another vessel approaching, and its compass bearing does notsignificantly change. This would indicate that __________.

a. you are the stand-on vesselb. risk of collision exists
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c. a special circumstances situation existsd. the other vessel is dead in the water

12. 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 laneb. servicing a submarine cablec. towing anotherd. engaged on pilotage duty

13. When underway in a channel, you should keep to the __________.a. middle of the channelb. starboard side of the channelc. port side of the channel

d. side of the channel that has the widest turns

14. Your 15-meter vessel is crossing a narrow channel and a large cargo vesselto port is within the channel and crossing your course. You must __________.

a. hold course and speedb. sound the danger signalc. initiate an exchange of passing signalsd. do not cross the channel if you might impede the other vessel

15. You are crossing a narrow channel in a 15-meter vessel when you sight a oiltanker off your port bow coming up the channel. Which statement is TRUE?

a. Yours is the give-way vessel because it is less than 30 meters long.b. You shall not impede the safe passage of the oil tanker.c. The oil tanker is the stand-on vessel because it is to port of your vessel.d. The oil tanker is the stand-on vessel because it is the larger of the twovessels.

16. Systems of inbound and outbound lanes to promote the safe flow of vesseltraffic in certain areas around the world are known as __________.

a. merchant vessel reporting systemsb. traffic separation schemesc. collision avoidance fairwaysd. restricted maneuverability channels

17. Which statement is TRUE concerning a vessel equipped with operationalradar?

a. She must use this equipment to obtain early warning of risk of collision.b. The use of radar excuses a vessel from the need of a look-out.c. The radar equipment is only required to be used in restricted visibility.d. The safe speed of such a vessel will likely be greater than that of vesselswithout radar.

18. Traffic separation schemes established by the International MaritimeOrganization __________.


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a. provide inbound and outbound lanes to promote the safe flow of vesseltrafficb. provide vessel reporting systems to assist in search and rescue in theevent of a vessel casualty

c. provide routing and vessel scheduling procedures to reduce shippingdelaysd. prohibit vessels carrying hazardous cargos from entering waters that areenvironmentally sensitive

19. You are watching another vessel approach and her compass bearing is notchanging. This means that __________.

a. you are the stand-on vesselb. a risk of collision existsc. a special circumstances situation existsd. the other vessel is dead in the water

20. Which statement is true concerning a vessel equipped with operational radar?a. The Master of the vessel must be on the bridge when the radar is in use.b. The radar equipment is only required to be used in restricted visibility.c. The use of radar excuses a vessel from the need of a look-out.d. This equipment must be used to obtain early warning of risk of collision.

21. You are crossing a narrow channel on your 15-meter vessel. A deeply loadedcargo vessel is proceeding down the channel as shown. In this situation, whichstatement is correct? ( DIAGRAM 40 )

a. You are the stand-on vessel because you are less than 65 feet in length.

b. You cannot impede the passage of the cargo vessel.c. The cargo vessel is the stand-on vessel because she is running with thecurrent.d. The Rule of Special Circumstances applies in this case.

22. Which vessel is directed not to impede the passage of a vessel which canonly navigate inside a narrow channel?

a. A vessel of less than 20 meters in lengthb. A vessel not under commandc. A vessel engaged in surveyingd. All of the above

23. Which vessel shall NOT impede the passage of a vessel which can safelynavigate only within a narrow channel or fairway?

a. A vessel of less than 20 meters in lengthb. A vessel sailingc. A vessel fishingd. All of the above

24. In narrow channels, vessels of less than what length shall not impede the safepassage of vessels which can navigate only inside that channel?

a. 20 metersb. 50 meters


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c. 65 metersd. 100 meters

25. Risk of collision may exist __________.

a. if the compass bearing of an approaching vessel does NOT appreciablychangeb. even when an appreciable bearing change is evident, particularly whenapproaching a vessel at close rangec. if you observe both sidelights of a vessel ahead for an extended period oftimed. All of the above

26. "Safe speed" is defined as that speed where __________.a. you can stop within your visibility rangeb. you can take proper and effective action to avoid collision

c. you are traveling slower than surrounding vesselsd. no wake comes from your vessel

27. To determine if risk of collision exists, a vessel which is fitted with radar mustuse __________.

a. radar scanningb. radar plottingc. compass bearingsd. All of the above

28. You are crossing a narrow channel in an 18-meter tug when you sight a

loaded oil tanker off your port bow coming up the channel. Which statement iscorrect?

a. Neither vessel is the stand-on vessel because the oil tanker is crossing.b. You cannot impede the safe passage of the oil tanker.c. The oil tanker is the stand-on vessel because it is in the channel.d. The oil tanker is the stand-on vessel because it is the larger of the twovessels.

29. Which statement is TRUE concerning risk of collision?a. The stand-on vessel must keep out of the way of the other vessel when riskof collision exists.b. Risk of collision always exists when two vessels pass within one mile ofeach other.c. Risk of collision always exists when the compass bearing of anapproaching vessel changes appreciably.d. Risk of collision may exist when the compass bearing of an approachingvessel is changing appreciably.

30. You are crossing a narrow channel in a small motorboat. You sight a oiltanker off your port bow coming up the channel. Which statement is TRUE?

a. You are the stand-on vessel because the oil tanker is to port.b. You cannot impede the safe passage of the oil tanker.c. The oil tanker is the stand-on vessel because it is to port of your vessel.


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d. The oil tanker is the stand-on vessel because it is the larger of the twovessels.

31. When action to avoid a close quarters situation is taken, a course change

alone may be the most effective action provided that __________.a. it is done in a succession of small course changesb. it is NOT done too earlyc. it is a large course changed. the course change is to starboard

32. The Rules state that risk of collision shall be deemed to exist __________.a. whenever two vessels approach from opposite directionsb. if the bearing of an approaching vessel does not appreciably changec. whenever a vessel crosses ahead of the intended track of another vesseld. if one vessel approaches another so as to be overtaking

33. Which procedure(s) shall be used to determine risk of collision?a. Watching the compass bearing of an approaching vesselb. Systematic observation of objects detected by radarc. Long-range radar scanningd. All of the above

34. Which vessel shall not impede the passage of a vessel which can onlynavigate inside a narrow channel?

a. A vessel of less than 20 meters in lengthb. A vessel not under command

c. A vessel engaged in surveyingd. All of the above

35. Every vessel should at all times proceed at a "safe speed". "Safe speed" isdefined as that speed where __________.

a. you can stop within your visibility rangeb. you can take proper and effective action to avoid collisionc. you are traveling slower than surrounding vesselsd. no wake comes from your vessel

36. Traffic separation schemes __________.a. provide routing and scheduling procedures to reduce shipping delaysb. provide traffic patterns in congested areas, so that vessels can operatewithout having a separate lookoutc. provide inbound and outbound lanes to promote the safe flow of vesseltrafficd. prohibit vessels carrying hazardous cargoes from entering waters that areenvironmentally sensitive

37. Risk of collision exists when an approaching vessel has a(n) __________.a. generally steady bearing and decreasing rangeb. generally steady range and increasing bearing


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c. increasing range and bearingd. decreasing bearing only

38. What is a requirement for any action taken to avoid collision?

a. When in sight of another vessel, any action taken must be accompanied bysound signals.b. The action taken must include changing the speed of the vessel.c. The action must be positive and made in ample time.d. All of the above

39. While underway in a narrow channel, a vessel should stay __________.a. in the middle of the channelb. to the starboard side of the channelc. to the port side of the channeld. to the side of the channel that has the widest bends

40. Vessels of less than what length may not impede the passage of othervessels which can safely navigate only within a narrow channel or fairway?

a. 10 metersb. 20 metersc. 30 metersd. 40 meters

41. A vessel nearing a bend or an area of a channel or fairway where othervessels may be hidden by an obstruction shall __________.

a. sound the danger signal

b. sound a prolonged blastc. take all way offd. post a look-out

42. Which statement is TRUE concerning risk of collision?a. Risk of collision never exists if the compass bearing of the other vessel ischanging.b. Proper use shall be made of radar equipment to determine risk of collision.c. Risk of collision must be determined before any action can be taken by avessel.d. Risk of collision exists if the vessels will pass within half a mile of eachother.

43. You are approaching another vessel and are not sure whether danger ofcollision exists. You must assume __________.

a. there is risk of collisionb. you are the give way vesselc. the other vessel is also in doubtd. All of the above are correct.

44. A sailing vessel is proceeding along a narrow channel and can safely navigateONLY inside the channel. The sailing vessel approaches a vessel engaged infishing. Which statement is TRUE?


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a. The fishing vessel is directed not to impede the passage of the sailingvessel.b. The sailing vessel must keep out of the way of the fishing vessel.c. Each vessel should move to the edge of the channel on her port side.

d. Each vessel should be displaying signals for a vessel constrained by herdraught.

45. A vessel using a traffic separation scheme shall __________.a. only anchor in the separation zoneb. cross a traffic lane at as small an angle as possiblec. avoid anchoring in areas near the termination of the schemed. utilize the separation zone for navigating through the scheme if she isimpeding other traffic due to her slower speed

46. A proper look-out shall be maintained __________.

a. only at nightb. only during restricted visibilityc. at night and during restricted visibilityd. at all times

47. The Rules state that certain factors are to be taken into account whendetermining safe speed. Those factors include __________.

a. state of wind, sea, and current, and the proximity of navigational hazardsb. maximum attainable speed of your vesselc. temperatured. aids to navigation that are available

48. In determining "safe speed", all of the following must be taken into accountEXCEPT the __________.

a. maximum horsepower of your vesselb. presence of background lights at nightc. draught of your vesseld. maneuverability of your vessel

49. A vessel proceeding along a narrow channel shall __________.a. avoid crossing the channel at right anglesb. not overtake any vessels within the channelc. keep as near as safe and practicable to the limit of the channel on herstarboard sided. when nearing a bend in the channel, sound a long blast of the whistle

50. Which vessel is NOT to impede the passage of a vessel which can onlynavigate safely within a narrow channel?

a. Any vessel less than 20 meters in lengthb. Any sailing vesselc. A vessel engaged in fishingd. All of the above


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51. The Navigation Rules state that a vessel shall be operated at a safe speed atall times so that she can be stopped within __________.

a. the distance of visibilityb. 1/2 the distance of visibility

c. a distance appropriate to the existing circumstances and conditionsd. the distance that it would require for the propeller to go from full aheadto full astern

52. You are approaching a narrow channel. You see a vessel that can only benavigated safely within the channel. You MUST __________.

a. hold your course and speedb. sound the danger signalc. not cross the channel if you might impede the other vesseld. initiate an exchange of passing signals

53. The rules require which factor to be taken into account when determining safespeed?a. The construction of the vesselb. The experience of the vessel's crewc. The location of vessels detected by radard. All of the above

54. The Rules state that certain factors are to be taken into account whendetermining safe speed. One of the factors is the __________.

a. radio communications that are availableb. maximum speed of your vessel

c. temperatured. current

55. "Safe speed" is defined as that speed where __________.a. you can stop within your visibility rangeb. the vessel is not subject to vibrationsc. you are traveling slower than surrounding vesselsd. you can take proper and effective action to avoid collision

56. In which situation would you consider a risk of collision to exist?a. A vessel is one point on your starboard bow, range increasing, bearingchanging slightly to the right.b. A vessel is broad on your starboard beam, range decreasing, bearingchanging rapidly to the right.c. A vessel is two points abaft your port beam, range decreasing, bearingconstant.d. A vessel is on your starboard quarter, range increasing, bearing isconstant.


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IRPCS Question Bank Part B Steering and Sailing Rules Section II - Conduct of Vessels in Sight Of One Another

CHAPTER III

PART B IICONDUCT OF VESSELS IN SIGHT OF ONE ANOTHER

(RULES 11 -18)

1. You are on vessel "A" towing a barge alongside and meeting vessel "B" asshown. Which action should you take? ( DIAGRAM 39 )

a. Alter course to portb. Alter course to starboardc. Back down to reduce the strain on the linesd. Maintain course and speed

2. Vessel "A" is overtaking vessel "B" as shown. Vessel "A" is the __________.(DIAGRAM 17 )

a. give-way vesselb. stand-on vesselc. overtaken vesseld. None of the above.

3. Vessel "A" is overtaking vessel "B" as shown. Vessel "A" is the __________.(DIAGRAM 17 )

a. overtaken vessel

b. give-way vesselc. stand-on vesseld. None of the above

4. Vessel "A" is overtaking vessel "B" as shown. Vessel "B" is the __________.(DIAGRAM 17 )

a. stand-on vesselb. give-way vesselc. burdened vesseld. None of the above

5. Vessel "A" is overtaking vessel "B" as shown. Vessel "B" is the __________.(DIAGRAM 17 )

a. give-way vesselb. vessel being overtakenc. passing vesseld. None of the above

6. Vessel "A" is overtaking vessel "B" as shown. Vessel "B" __________.(DIAGRAM 17 )

a. should change course to the rightb. should slow down until vessel "A" has passed
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c. should hold her course and speedd. may steer various courses and vessel "A" must keep clear

7. Vessel "A" is overtaking vessel "B" as shown. and will pass without changingcourse. Vessel "B" is an air-cushion vessel operating in the non displacement mode.Which light will vessel "A" observe from vessel "B"? ( DIAGRAM 17 )

a. Green lightb. flashing red lightc. flashing yellow lightd. flashing white light

8. Vessel "A" is overtaking vessel "B" as shown. Which color light will vessel "A"observe on vessel "B"? ( DIAGRAM 17 )

a. Green

b. Whitec. Flashing redd. Yellow over yellow

9. Vessel "A" is overtaking vessel "B" on open waters as shown and will passwithout changing course. Vessel "A" should sound __________. ( DIAGRAM 17 )

a. one short blastb. two short blastsc. one prolonged blastd. no whistle signal

10. Vessel "A" is overtaking vessel "B" on open waters as shown and will passwithout changing course. Vessel "A" should sound __________. ( DIAGRAM 17 )

a. no whistle signalb. two short blastsc. two prolonged blasts followed by two short blastsd. at least five short and rapid blasts

11. You are on vessel "A" as shown. Vessel "B" sounds two short blasts. Youshould __________. ( DIAGRAM 32 )

a. sound two prolonged blasts followed by two short blastsb. not answer the whistle signal from vessel "B"c. sound two short blasts and maintain course and speedd. sound one prolonged, one short, one prolonged and one short blasts

12. You are on vessel "A" as shown. Vessel "B" sounds two short blasts. Youshould __________. ( DIAGRAM 32 )

a. sound two prolonged blasts followed by two short blastsb. sound two short blastsc. maintain course and speedd. None of the above
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13. Vessels "I" and "II" are power-driven vessels. You are on vessel "I" as shown.You are the __________. ( DIAGRAM 36 )

a. give-way vessel

b. stand-on vesselc. overtaking vesseld. None of the above

14. You are on a power-driven vessel "I" as shown. Vessel "II" is a vesselengaged in fishing within 1/2 a mile of your vessel. Which action should you take?(DIAGRAM 36 )

a. Hold course and speed without giving a signal.b. Change course or speed to avoid vessel "II".c. Sound one short blast, and await a response.d. Sound two short blasts, and await a response.

15. You are on a power-driven vessel "I" as shown. Vessel "II" is a vesselengaged in fishing. Which action should you take? ( DIAGRAM 36 )

a. Hold course and speed without giving a signal.b. Sound the danger signal and slow to moderate speed.c. Sound one short blast, turn to starboard and reduce speed.d. Sound one short blast and hold course and speed.

16. The rules require that a stand-on vessel SHALL take action to avoid collisionwhen she determines that __________.

a. risk of collision exists

b. the other vessel will cross ahead of herc. the other vessel is not taking appropriate actiond. collision cannot be avoided by the give-way vessel's maneuver alone

17. If you are the stand-on vessel in a crossing situation, you may take action toavoid collision by your maneuver alone. When may this action be taken?

a. At any time you feel it is appropriateb. Only when you have reached extremisc. When you determine that your present course will cross ahead of the othervesseld. When it becomes apparent to you that the give-way vessel is not takingappropriate action

18. A vessel must proceed at a safe speed __________.a. in restricted visibilityb. in congested watersc. during darknessd. at all times

19. A sailing vessel is overtaking a tug and tow as shown. Which statement isCORRECT? ( DIAGRAM 43 )

a. The sailing vessel is the stand-on vessel because it is overtaking.b. The sailing vessel is the stand-on vessel because it is under sail.
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c. The tug is the stand-on vessel because it is being overtaken.d. The tug is the stand-on vessel because it is towing.

20. If two sailing vessels are running free with the wind on the same side, whichone must keep clear of the other?

a. The one with the wind closest abeamb. The one with the wind closest asternc. The one to leewardd. The one to windward

21. You are preparing to cross a narrow channel. You see a vessel that can onlybe navigated safely within the channel. You should __________.

a. not cross the channel if you might impede the other vessel

b. initiate an exchange of passing signalsc. sound the danger signald. hold your course and speed

22. You are the watch officer on a power-driven vessel and notice a large sailingvessel approaching from astern. You should __________.

a. slow downb. sound one short blast and change course to starboardc. sound two short blasts and change course to portd. hold your course and speed

23. You see a vessel's green sidelight bearing due east from you. The vesselmight be heading __________.

a. east (090)b. northeast (045)c. northwest (315)d. southwest (225)

24. A vessel shall be deemed to be overtaking when she can see at night __________.

a. only the stern light of the vesselb. a sidelight and one masthead light of the vesselc. only a sidelight of the vesseld. any lights except the masthead lights of the vessel

25. You are underway on vessel "A" and sight vessel "B" which is a vesselunderway and fishing as shown. Which statement is true? ( DIAGRAM 14 )

a. Vessel "A" must keep out of the way of vessel "B" because "B" is to port.b. Vessel "A" must keep out of the way of vessel "B" because "B" is fishing.c. Vessel "B" must keep out of the way of vessel "A" because "A" is tostarboard.d. In this case, both vessels are required by the Rules to keep clear of eachother.


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26. If it becomes necessary for a stand-on vessel to take action to avoid collision,she shall NOT, if possible, __________.

a. decrease speed

b. increase speedc. turn to port for a vessel on her own port sided. turn to starboard for a vessel on her own port side

27. Your vessel is NOT making way, but is not in any way disabled. Anothervessel is approaching you on your starboard beam. Which statement is TRUE?

a. The other vessel must give way since your vessel is stopped.b. Your vessel is the give-way vessel in a crossing situation.c. You should be showing the lights or shapes for a vessel not undercommand.d. You should be showing the lights or shapes for a vessel restricted in her

ability to maneuver.

28. Two vessels meeting in a "head-on" situation are directed by the Rules to __________.

a. alter course to starboard and pass port to portb. alter course to port and pass starboard to starboardc. decide on which side the passage will occur by matching whistle signalsd. slow to bare steerageway

29. When shall the stand-on vessel change course and speed?a. The stand-on vessel may change course and speed at any time as it has

the right-of-wayb. After the give-way vessel sounds one blast in a crossing situationc. When action by the give-way vessel alone cannot prevent collisiond. When the two vessels become less than half a mile apart

30. When shall the stand-on vessel change course and speed?a. The stand-on vessel may change course and speed at any time as it hasthe right-of-wayb. After the give-way vessel sounds one blast in a crossing situationc. When action by the give-way vessel alone cannot prevent collisiond. When the two vessels become less than half a mile apart

31. A vessel approaching your vessel from 125 relative is in what type ofsituation?

a. Meetingb. Overtakingc. Crossingd. Passing

32. Vessels "A" and "B" are crossing as shown. Which statement is TRUE?(DIAGRAM 26 )

a. The vessels should pass starboard to starboard.b. Vessel "B" should pass under the stern of vessel "A".


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c. Vessel "B" should alter course to the right.d. Vessel "A" must keep clear of vessel "B".

33. You are in charge of a power-driven vessel navigating at night. You sight thered sidelight of another vessel on your port bow. The other vessel's after mastheadlight is to the right of her forward masthead light. You should __________.

a. hold course and speedb. alter course to portc. stop enginesd. sound the danger signal

34. In the situation illustrated, vessel I is a power-driven vessel. Vessel II is asailing vessel with the wind dead aft. Which statement about this situation iscorrect? ( DIAGRAM 2 )

a. Vessel I should keep out of the way of Vessel II.b. Vessel II should keep out of the way of Vessel I.c. Vessel II would normally be the stand-on vessel, but should stay out of theway in this particular situation.d. The Rules of Special Circumstances applies, and neither vessel is thestand-on vessel.

35. You are approaching another vessel. She is about one mile distant and is onyour starboard bow. You believe she will cross ahead of you. She then sounds awhistle signal of five short blasts. You should __________.

a. answer the signal and hold course and speed

b. reduce speed slightly to make sure she will have room to passc. make a large course change, and slow down if necessaryd. wait for another whistle signal from the other vessel

36. You are aboard vessel "A, a power-driven vessel, on open waters and vessel"B", a sailing vessel, is sighted off your port bow as shown. Which vessel is thestand-on vessel? ( DIAGRAM 27 )

a. Vessel "A" because it is towingb. Vessel "A" because it is to starboard of vessel "B"c. Vessel "B" because it is sailingd. Vessel "B" because it is to port of vessel "A"

37. You are on vessel "A" and approaching vessel "B" as shown. You are not surewhether your vessel is crossing or overtaking vessel "B". You should __________.(DIAGRAM 15 )

a. change course to make the situation definitely either crossing or overtakingb. consider it to be a crossing situationc. consider it to be an overtaking situationd. consider it a crossing situation if you can cross ahead safely

38. Which statement is TRUE concerning two sailing vessels?a. A sailing vessel with the wind forward of the beam on her port side shallkeep out of the way of a sailing vessel with the wind forward of the beam on
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the starboard side.b. When both vessels have the wind on the same side, the vessel to leewardshall keep out of the way.

c. A sail vessel with the wind abaft of the beam must keep out of the way of avessel sailing into the wind.d. None of the above

39. You are aboard vessel "A" which is towing on open waters when vessel "B", asailing vessel, is sighted off your port bow as shown. Which vessel is the stand-on?(DIAGRAM 20 )

a. Vessel "A" is the stand-on vessel because it is towing.b. Vessel "A" is the stand-on vessel because it is to starboard of vessel "B".c. Vessel "B" is the stand-on vessel because it is sailing.d. Vessel "B" is the stand-on vessel because it is to port of vessel "A".

40. Which statement is TRUE concerning two sailing vessels approaching eachother?

a. A sailing vessel overtaking another is the give-way vessel.b. When each is on a different tack, the vessel on the starboard tack shallkeep out of the way.c. A sailing vessel seeing another to leeward on an undetermined tack shallhold her course.d. All of the above

41. A power-driven vessel has on her port side a sailing vessel which is on a

collision course. The power-driven vessel is to __________.a. maintain course and speedb. keep clear, passing at a safe distancec. sound one blast and turn to starboardd. stop her engines

42. A sailing vessel is NOT required to keep out of the way of a __________.a. power-driven vesselb. vessel not under commandc. vessel restricted in her ability to maneuverd. vessel engaged in fishing

43. Vessel "A" is underway and pushing ahead when vessel "B" is sighted off thestarboard bow as shown. Which vessel is the stand-on vessel? ( DIAGRAM 28 )

a. Vessel "A" is the stand-on vessel because it is to port.b. Vessel "A" is the stand-on vessel because it is pushing ahead.c. Vessel "B" is the stand-on vessel because it is to starboard of vessel "A".d. Neither vessel is the stand-on vessel.


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44. Vessel "A" is overtaking vessel "B" as shown. Which vessel is the stand-onvessel? ( DIAGRAM 9 )

a. Vessel "A"

b. Vessel "B"c. Neither vesseld. Both vessels must keep clear of the other

45. The rule regarding look-outs applies __________.a. in restricted visibilityb. between dusk and dawnc. in heavy trafficd. All of the above

46. When taking action to avoid collision, you should __________.

a. make sure the action is taken in enough timeb. not make any large course changesc. not make any large speed changesd. All of the above

47. Which vessel would have no white lights visible when meeting her head-on?a. A vessel trawlingb. A vessel restricted in her ability to maneuverc. A vessel mine clearingd. A vessel not under command

48. A power-driven vessel underway shall keep out of the way of a __________.a. vessel not under commandb. vessel engaged in fishingc. sailing vesseld. All of the above

49. A "head on" situation shall be deemed to exist at night when a power-drivenvessel sees another power-driven vessel ahead and __________.

a. one sidelight and the masthead light are visibleb. the vessels will pass closer than half a milec. both vessels sound one prolonged blastd. both sidelights and masthead light(s) are visible

50. A power-driven vessel underway shall keep out of the way of a vessel ____.a. not under commandb. restricted in her ability to maneuverc. engaged in fishingd. All of the above

51. In a crossing situation on open waters, a sailing vessel shall keep out of theway of all the following vessels EXCEPT a __________.

a. vessel not under commandb. vessel restricted in her ability to maneuver


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c. power-driven vessel approaching on her starboard sided. vessel fishing

52. Your power-driven vessel is underway when you sight a sailing vessel on yourport bow. Which vessel is the "stand-on" vessel?a. The sailboat, because it is to port of your vesselb. The sailboat, because it is under sailc. Your vessel, because it is a power-driven vesseld. Your vessel, because it is to starboard of the sailboat

53. A power-driven vessel has on her port side a sailing vessel which is on acollision course. The power-driven vessel is required to __________.

(a) maintain course and speedb. keep clear

c. sound one blast and turn to starboardd. stop her engines

54. When is a stand-on vessel FIRST allowed by the Rules to take action in orderto avoid collision?

a. When the two vessels are less than half a mile from each other.b. When the give-way vessel is not taking appropriate action to avoid collision.c. When collision is imminent.d. The stand-on vessel is never allowed to take action.

55. A stand-on vessel in a crossing situation is allowed to take action when

__________.a. on a collision courseb. the vessels will pass within one milec. it becomes apparent to her that the give-way vessel is not takingappropriate actiond. the relative speed of the vessels indicates collision in less than six minutes

56. On open waters, a power-driven vessel shall keep out of the way of a _____.a. vessel on her port side that is crossing her courseb. vessel that is overtaking herc. seaplane on the waterd. sailing vessel

57. You are overtaking a vessel at night and you see a yellow light showing abovethe stern light of the overtaken vessel. The overtaken vessel is __________.

a. underway and dredgingb. pushing ahead or towing alongsidec. towing asternd. a pilot vessel

58. Vessels I and II are underway as shown. Vessel I is a sailing vessel with thewind dead aft. Vessel II is a power-driven vessel trawling. Which statement isTRUE? ( DIAGRAM 33 )


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a. Vessel I is to keep clear because the other vessel is fishing.b. Vessel II is to keep clear because she is a power-driven vessel.c. Vessel II is to keep clear because the other vessel is to its starboard.

d. Both vessels are to take action to stay clear of each other.59. Which requirement must be met in order for a stand-on vessel to take actionto avoid collision?

a. Risk of collision must exist.b. The give-way vessel must have taken action first.c. The vessels must be within half a mile of each other.d. There are no requirements to be met. The stand-on vessel may take actionanytime.

60. In which situation would risk of collision definitely exist?

a. A vessel is 22 degrees on your port bow, range increasing, bearingchanging slightly to the right.b. A vessel is broad on your starboard beam, range decreasing, bearingchanging rapidly to the right.c. A vessel is 22 degrees abaft your port beam, range increasing, bearing isconstant.d. A vessel is on your starboard quarter, range decreasing, bearing isconstant.

61. While underway at night, you sight a vessel ahead displaying the lightsshown. How should the vessels pass? ( DIAGRAM 71 )

a. Both vessels should alter course to starboard and pass port to port.b. Both vessels should alter course to port and pass starboard to starboard.c. Your vessel should hold course and speed and the other vessel shouldkeep clear.d. You should sound an appropriate overtaking signal.

62. When shall the stand-on vessel in a crossing situation take action to avoid theother vessel?

a. When a risk of collision existsb. When action by the give-way vessel alone will not prevent a collisionc. When the bearing to give-way vessel becomes steadyd. When the vessels become less than 1/2 mile apart

63. In which situation do you think a risk of collision exists?a. A vessel is 22 on your port bow, range increasing, bearing changingslightly to the right.b. A vessel is broad on your starboard beam, range decreasing, bearingchanging rapidly to the right.c. A vessel is 22 abaft your port beam, range increasing, bearing is constant.d. A vessel is on your starboard quarter, range decreasing, bearing isconstant.


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64. Two vessels are approaching each other near head on. What action shouldbe taken to avoid collision?

a. The first vessel to sight the other should give way.

b. The vessel making the slower speed should give way.c. Both vessels should alter course to starboard.d. Both vessels should alter course to port.

65. You are the stand-on vessel in a crossing situation. You may hold your courseand speed until __________.

a. the other vessel takes necessary actionb. the other vessel gets to within half a mile of your vesselc. action by the give-way vessel alone will not prevent collisiond. the other vessel gets to within a quarter mile of your vessel

66. On open water, vessel fishing is in a crossing situation with a vessel sailinglocated on the fishing vessel's starboard side. Which vessel is the stand-on vessel?a. The fishing vessel because it is to port of the sailing vessel.b. The fishing vessel because it is fishing.c. The sailing vessel because it is to starboard of the fishing vessel.d. The sailing vessel because it is sailing.

67. You are on vessel "A" pushing a barge ahead and meeting vessel "B" asshown. How should the vessels pass? ( DIAGRAM 12 )

a. Both vessels must alter course to starboard and pass port to port.b. Both vessels must alter course to port and pass starboard to starboard.

c. Vessel "A" should maintain course and vessel "B" alter course.d. The vessels should determine which will alter course by sounding whistlesignals.

68. Two power-driven vessels are crossing so as to involve risk of collision. Whichstatement is TRUE, according to the Rules?

a. The vessel which has the other on her own port side shall keep out of theway.b. If the stand-on vessel takes action, she shall avoid changing course to port.c. If the give-way vessel takes action, she shall avoid changing course tostarboard.d. The give-way vessel should keep the other vessel to her starboard.

69. Every vessel that is to keep out of the way of another vessel must takepositive early action to comply with this obligation and must __________.

a. avoid crossing ahead of the other vesselb. avoid passing astern of the other vesselc. sound one prolonged blast to indicate complianced. alter course to port for a vessel on her port side

70. Which vessel should not impede the navigation of a power-driven vessel?a. A vessel not under commandb. A vessel engaged in fishing


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c. A sailing vesseld. A seaplane

71. While underway, you see a vessel displaying the day-shapes shown. Whichaction should you take? ( DIAGRAM 6 )a. Maintain course and speedb. Provide assistance, the other vessel is in distressc. Stay clear, the other vessel is maneuvering with difficultyd. Stop your vessel and sound passing signals

72. A vessel underway and when engaged in fishing shall so far as possible keepout of the way of a __________.

a. power-driven vessel underwayb. vessel not under command

c. vessel sailingd. vessel engaged on pilotage duty

73. A head-on situation at night is one in which you see __________.a. one sidelight of a vessel ahead of youb. one sidelight and a masthead light of a vessel ahead of youc. one sidelight, a masthead light, and a range light of a vessel ahead of youd. both sidelights of a vessel dead ahead of you

74. In DIAGRAM 8, vessel "A" and vessel "B" (which is pushing ahead) aremeeting head-on as shown. How must the vessels pass? ( DIAGRAM 8 )

a. Vessel "A" must alter course while vessel "B" continues on its presentcourse.b. The vessels should determine which will alter course by exchanging whistlesignals.c. Both vessels should alter course to port and pass starboard to starboard.d. Both vessels should alter course to starboard and pass port to port.

75. An overtaking situation would be one in which one vessel is approachinganother from more than how many degrees abaft the beam?

a. 0b. 10c. 22.5d. None of the above

76. A stand-on vessel is __________.a. required to give way in a crossing situationb. required to sound the first passing signal in a meeting situationc. free to maneuver in any crossing or meeting situation as it has the right-of-wayd. required to maintain course and speed in a crossing situation but may takeaction to avoid collision


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77. An overtaking situation at night would be one in which one vessel sees whichlight(s) of a vessel ahead?

a. Masthead lights and sidelights

b. One sidelight, the masthead lights and stern lightc. Both sidelightsd. Stern light

78. In a crossing situation, a vessel fishing must as far as possible keep out of theway of a vessel which is __________.

a. under sailb. towingc. restricted in her ability to maneuverd. engaged in pilotage duty

79. Every vessel which is directed by these Rules to keep out of the way ofanother vessel shall, if the circumstances of the case admit, avoid __________.a. crossing ahead of the otherb. crossing astern of the otherc. passing port to portd. passing starboard to starboard

80. What describes a head-on situation?a. Seeing a vessel displaying both sidelights ONLY dead aheadb. Seeing two forward white towing identification lights in a vertical line on atowing vessel directly ahead

c. Seeing both sidelights of a vessel directly off your starboard beamd. Seeing both sidelights and masthead light(s) of a vessel dead ahead

81. When two vessels are in immediate danger of collision, the stand-on vesselmust __________.

a. abandon shipb. assist in taking whatever action is necessary to avoid collisionc. hold course and speedd. sound a distress signal

82. You see a red sidelight bearing NW (315). That vessel may be heading __________.

a. south (180)b. east (090)c. northeast (045)d. west (270)

83. Two vessels are meeting head-on. How must the vessels pass?a. One vessel must alter course while the other must continue on its course.b. The vessels should determine which will alter course by sounding whistlesignals.c. Both vessels should alter course to port and pass starboard to starboard.d. Both vessels should alter course to starboard and pass port to port.


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84. Which statement is TRUE in an overtaking situation?a. An overtaking situation exists when one vessel is approaching another

vessel from anywhere abaft the beam.b. It is the duty of the vessel being overtaken to get out of the way.c. Any later change of bearing between the two vessels shall not make theovertaking vessel a crossing vessel.d. All of the above

85. Vessel "A" is underway and pushing ahead when vessel "B" is sighted off thestarboard bow as shown. Which statement is TRUE? ( DIAGRAM 5 )

a. Vessel "A" is the stand-on vessel because it is to the port side of vessel "B".b. Vessel "A" is the stand-on vessel because it is pushing ahead.c. Vessel "B" is the stand-on vessel because it is to starboard of vessel "A".

d. Neither vessel is the stand-on vessel

86. In a crossing situation, which vessel may sound the danger signal?a. Give-way vesselb. Stand-on vesselc. Either vesseld. Neither vessel

87. Vessels "A" and "B" are crossing as shown. Which statement is TRUE?(DIAGRAM 30 )

a. The vessels should pass starboard to starboard.

b. Vessel "B" should pass astern of vessel "A".c. Vessel "B" should alter course to the right.d. Vessel "A" must keep clear of vessel "B".

88. In a crossing situation, a stand-on vessel which is forced to take action inorder to avoid collision with a vessel on her own port side shall, if possible, avoid

__________.a. turning to portb. turning to starboardc. decreasing speedd. increasing speed

89. You see the lights shown as illustrated on your port bow. You should __________. ( DIAGRAM 50 )

a. hold course and speedb. alter course to portc. stop enginesd. sound the danger signal

90. Of the vessels listed, which must keep out of the way of all the others?a. A sailing vesselb. A vessel restricted in her ability to maneuver
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97. Sailing vessels are stand-on over power-driven vessels except __________.a. in a crossing situationb. in a meeting situation

c. when they are the overtaking vesseld. on inland waters.

98. In which situation do the Rules require both vessels to change course?a. Two power-driven vessels meeting head-onb. Two power-driven vessels crossing when it is apparent to the stand-onvessel that the give-way vessel is not taking appropriate actionc. Two sailing vessels crossing with the wind on the same sided. All of the above

99. If a sailing vessel with the wind on the port side sees a sailing vessel to

windward and cannot tell whether the other vessel has the wind on the port orstarboard side, she shall __________.a. hold course and speedb. sound the danger signalc. keep out of the way of the other vesseld. turn to port and come into the wind

100. Vessel "A" is on course 000T. Vessel "B" is on a course such that she isinvolved in a head-on situation and is bearing 355T, 2 miles away from vessel "A".To ensure a safe passing, vessel "A" should __________.

a. maintain course

b. alter course to portc. alter course to ensure a starboard to starboard passingd. maneuver to ensure a port to port passing

101. You are approaching another vessel on crossing courses. She isapproximately half a mile distant and is presently on your starboard bow. Youbelieve she will cross ahead of you. She then sounds a whistle signal of five shortblasts. You should __________.

a. answer the signal and hold course and speedb. reduce speed slightly to make sure she will have room to passc. make a large course change, accompanied by the appropriate whistlesignal, and slow down if necessaryd. wait for another whistle signal from the other vessel

102. Two sailing vessels are approaching each other as shown. Which statementis correct? ( DIAGRAM 3 )

a. Vessel "I" should stand on because she has the wind on her port side.b. Vessel "II" should stand on because she has the wind on her starboardside.c. Neither vessel is the stand-on vessel because they are meeting head-on.d. Vessel "I" should stand on because she is close-hauled.


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103. Which statement concerning an overtaking situation is correct?a. The overtaking vessel is the stand-on vessel.b. Neither vessel is the stand-on vessel.

c. The overtaking vessel must maintain course and speed.d. The overtaking vessel must keep out of the way of the other.

104. The Rules state that a vessel overtaking another vessel is relieved of her dutyto keep clear when __________.

a. she is forward of the other vessel's beamb. the overtaking situation becomes a crossing situationc. she is past and clear of the other vesseld. the other vessel is no longer in sight

105. Rule 14 describes the action to be taken by vessels meeting head-on. Which

of the following conditions must exist in order for this rule to apply?a. Both vessels must be power-driven.b. They must be meeting on reciprocal or nearly reciprocal courses.c. The situation must involve risk of collision.d. All of the above

106. 4562. In a crossing situation, the vessel which has the other on her ownstarboard side shall __________.

a. if the circumstances of the case admit, avoid crossing ahead of the otherb. change course to port to keep out of the wayc. reduce her speed

d. All of the above

107. In DIAGRAM 5, vessel "A", which is pushing ahead, and vessel "B" arecrossing. Which is the stand-on vessel?

a. Vessel "A" is the stand-on vessel because she is to port of vessel "B".b. Vessel "A" is the stand-on vessel because she is pushing ahead.c. Vessel "B" is the stand-on vessel because she is to starboard of vessel "A".d. Neither vessel is the stand-on vessel in this situation.

108. When two power-driven vessels are crossing, the vessel which has the otherto starboard must keep out of the way if __________.

a. she is the faster vesselb. the situation involves risk of collisionc. the vessels will pass within half a mile of each otherd. whistle signals have been sounded

109. A vessel is overtaking when she can see which light(s) of a vessel ahead?a. Only the stern light of the vesselb. One sidelight and a masthead light of the vesselc. Only a sidelight of the vesseld. The masthead lights of the vessel


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110. A vessel shall slacken her speed, stop, or reverse her engines, if necessary,to __________.

a. avoid collisionb. allow more time to assess the situationc. be stopped in an appropriate distanced. All of the above

111. While underway at night you are coming up on a vessel from astern. Whatlights would you expect to see?

a. Red and green sidelightsb. Two white lightsc. One white light and red and green sidelightsd. One white light

112. What describes a head-on situation?a. Seeing one red light of a vessel directly aheadb. Seeing two forward white towing lights in a vertical line on a towing vesseldirectly aheadc. Seeing both sidelights of a vessel directly off your starboard beamd. Seeing both sidelights of a vessel directly ahead

113. Underway at night you see the red sidelight of a vessel well off your port bow.Which statement is TRUE?

a. You are required to alter course to the right.

b. You must stop engines.c. You are on a collision course with the other vessel.d. You may maintain course and speed.

114. When two power-driven vessels are meeting head-on and there is a risk ofcollision, each shall __________.

a. stop her enginesb. alter course to starboardc. sound the danger signald. back down

115. You are aboard the give-way vessel in a crossing situation. What should youNOT do in obeying the Rules?

a. Cross ahead of the stand-on vesselb. Make a large course change to starboardc. Slow your vesseld. Back your vessel

116. What must be TRUE in order for a stand-on vessel to take action to avoidcollision by her maneuver alone?

a. She must be in sight of the give-way vessel.b. There must be risk of collision.


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c. She must determine that the give-way vessel is not taking appropriateaction.d. All of the above

117. For a stand-on vessel to take action to avoid collision she shall, if possible,NOT __________.

a. decrease speedb. increase speedc. turn to port for a vessel on her port sided. turn to starboard for a vessel on her port side

118. The Rules state that a seaplane shall __________.a. not be regarded as a vesselb. in general, keep well clear of all vessels

c. proceed at a slower speed than surrounding vesselsd. when making way, show the lights for a vessel not under command

119. A vessel sailing shall keep out of the way of all of the following vessels excepta vessel __________.

a. not under commandb. engaged on pilotage dutyc. restricted in her ability to maneuverd. engaged in fishing

120. A power-driven vessel is underway and fishing with trolling lines. This vessel

__________.a. must keep out of the way of sailing vesselsb. must sound a one prolonged, two short blasts signal in restricted visibilityc. is the stand-on vessel when overtaking power-driven vesselsd. All of the above

121. When two power-driven vessels are crossing, which vessel is the stand-onvessel?

a. The vessel which is to starboard of the other vesselb. The vessel which is to port of the other vesselc. The larger vesseld. The vessel that sounds the first whistle signal

122. A vessel engaged in fishing shall so far as possible keep out of the way of avessel __________.

a. under sailb. restricted in her ability to maneuverc. crossing a channeld. All of the above

123. You see a red sidelight bearing NW (315). That vessel may be heading __________.


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a. northwest (315)b. east (090)c. southwest (225)

d. west (270)124. You are heading due east (090) and observe a vessel's red sidelight on yourport beam. The vessel may be heading __________.

a. northwest (315)b. southeast (135)c. northeast (045)d. southwest (225)

125. You are the stand-on vessel in a crossing situation. If you think the give-wayvessel is NOT taking sufficient action to avoid collision, you should sound

__________.a. one short blast and maintain courseb. five short and rapid blastsc. no signal and maneuver at willd. two short blasts, alter to port, and pass astern

126. If two sailing vessels are running free with the wind on the same side, whichone must keep clear of the other?

a. The one with the wind closest abeamb. The one to windwardc. The one to leeward

d. The one that sounds the first whistle signal

127. Which statement is TRUE concerning two sailing vessels approaching eachother?

a. The vessel making the most speed is the give-way vessel.b. A sailing vessel overtaking another is the give-way vessel.c. A sailing vessel seeing another to leeward on an undetermined tack shallhold her course.d. All of the above

128. Power-driven vessels must keep out of the way of sailing vessels except __________.

a. in a crossing situationb. when they are making more speed than the power-driven vesselc. when the sailing vessel is overtakingd. on the Inland Waters of the United States

129. In a crossing situation on open waters, a sailing vessel shall keep out of theway of all the following vessels EXCEPT a vessel __________.

a. not under commandb. restricted in her ability to maneuverc. engaged in towingd. fishing


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130. You are approaching another vessel and will pass starboard to starboardwithout danger if no course changes are made. You should __________.

a. hold course and sound a two blast whistle signalb. hold course and sound no whistle signalc. change course to the right and sound one blastd. hold course and sound two prolonged and two short blasts

131. A fishing vessel is approaching a vessel not under command. Whichstatement is TRUE?

a. The fishing vessel so far as possible must keep clear of the vessel notunder command.b. If the vessel not under command is a power-driven vessel, she must keepclear of the fishing vessel.

c. They must exchange whistle signals.d. Both vessels are required to take action to stay clear of each other.

132. Of the vessels listed, which must keep out of the way of all the others?a. A vessel constrained by her draughtb. A vessel restricted in her ability to maneuverc. A vessel on pilotage dutyd. A vessel engaged in fishing

133. In international waters, you are on Vessel "I" in the situation as shown. Vessel"II" sounds one short blast. Which action should you take? ( DIAGRAM 36 )

a. Sound one short blast and hold course and speed.b. Hold course and speedc. Sound one short blast and slow down or turn to starboard.d. Sound two short blasts, slow down and turn to port

134. Which vessel is to keep out of the way of the others?a. A vessel constrained by her draughtb. A vessel engaged in underwater operationsc. A vessel engaged in trawlingd. A vessel not under command

135. Which vessel shall avoid impeding the safe passage of a vessel constrainedby her draught?

a. A vessel not under commandb. A fishing vesselc. A vessel restricted in her ability to maneuverd. All of the above

136. When two vessels are in sight of one another and NOT in or near an area ofrestricted visibility, any of the following signals may be given EXCEPT __________.

a. a light signal of at least five short and rapid flashesb. one prolonged, one short, one prolonged, and one short whistle blasts
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c. four short whistle blastsd. two short whistle blasts

137. Of the vessels listed, which must keep out of the way of all the others?a. A vessel constrained by her draughtb. A vessel restricted in her ability to maneuverc. A vessel pushing a barged. A vessel engaged in fishing

138. Which vessel shall avoid impeding the safe passage of a vessel constrainedby her draught?

a. A vessel not under commandb. A sailing vesselc. A vessel restricted in her ability to maneuver

d. All of the above

139. Which statement correctly applies to a situation where a sailing vessel isovertaking a power-driven vessel?

a. The power-driven vessel must keep out of the way of the sailing vessel.b. A "special circumstance" situation exists.c. The sailing vessel must keep out of the way of the power- driven vessel.d. The vessel which has the other vessel to the right must keep out of theway.

140. When in sight of another vessel and there is sufficient sea room, any action

taken to avoid collision must __________.a. be accompanied by sound signalsb. not result in another close quarters situationc. include a speed changed. All of the above

141. When underway in a channel, you should if safe and practicable __________.a. stay near the middle of the channelb. keep to the starboard side of any vessels you meetc. exchange whistle signals with any other vessels in the channeld. keep to the side of the channel which lies to your starboard

142. A sailing vessel is proceeding along a narrow channel and can safely navigateONLY inside the channel. The sailing vessel approaches a vessel engaged infishing in the narrow channel. Which statement is TRUE?

a. Each vessel should move to the edge of the channel on her port side.b. The vessels are required to exchange signals.c. The fishing vessel is directed not to impede the passage of the sailingvessel.d. Each vessel should be displaying signals for a vessel constrained by herdraught.


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143. Which vessel shall NOT impede the passage of a vessel which can safelynavigate only within a narrow channel or fairway?

a. A vessel dredging

b. A sailing vesselc. A vessel servicing an aid to navigationd. All of the above

144. Your 15-meter vessel is crossing a narrow channel and a large cargo vesselto starboard is within the channel and crossing your course. You should

__________.a. hold your course and speedb. sound the danger signalc. keep out of the way of the cargo vesseld. do not cross the channel

145. There are two classes of vessels which do not have to comply with the ruleregarding traffic separation schemes, to the extent necessary to carry out their work.One of those is a vessel __________.

a. engaged in fishingb. towing anotherc. servicing a navigational aidd. on pilotage duty

146. In a traffic separation scheme, when joining a traffic lane from the side, avessel shall do so __________.

a. only in case of an emergency or to engage in fishing within the zoneb. as nearly as practical at right angles to the general direction of traffic flowc. at as small an angle as possibled. only to anchor within the zone

147. A traffic separation zone is that part of a traffic separation scheme which __________.

a. is located between the scheme and the nearest landb. separates traffic proceeding in one direction from traffic proceeding in theopposite directionc. is designated as an anchorage aread. contains all the traffic moving in the same direction

148. A vessel using a traffic separation scheme shall __________.a. avoid anchoring in areas near the termination of the schemeb. avoid crossing traffic lanes, but if obliged to do so, shall cross on as smallan angle as is practicalc. only anchor in the separation zoned. use the separation zone for navigating through the scheme if she ishindering other traffic due to her slower speed

149. A vessel using a traffic separation scheme shall NOT __________.


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a. cross a traffic laneb. engage in fishing the separation zonec. proceed in an inappropriate traffic lane

d. enter the separation zone150. A vessel using a traffic separation scheme shall __________.

a. only anchor in the separation zoneb. avoid crossing traffic lanes, but if obliged to do so, shall cross on a headingat as small an angle as is practicalc. avoid anchoring in areas near the termination of the schemed. use the separation zone for navigation through the scheme if she ishindering other traffic due to her slower speed

151. A vessel may enter a traffic separation zone __________.

a. in an emergencyb. to engage in fishing within the zonec. to cross the traffic separation schemed. All of the above

152. In a traffic separation scheme, when joining a traffic lane from the side, avessel shall do so __________.

a. at as small an angle as possibleb. as nearly as practical at right angles to the general direction of traffic flowc. only in case of an emergency or to engage in fishing within the zoned. never

153. A vessel using a traffic separation scheme is forbidden to __________.a. proceed through an inappropriate traffic laneb. engaged in fishing in the separation zonec. cross a traffic laned. enter the separation zone, even in a emergency

154. A traffic separation zone is that part of a traffic separation scheme which __________.

a. is between the scheme and the nearest landb. contains all the traffic moving in one directionc. is designated as an anchorage aread. separates traffic proceeding in one direc

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