COLREG Flashcards Preview

PPCDL > COLREG > Flashcards

Flashcards in COLREG Deck (59)
Loading flashcards...
1
Q

A power-driven vessel using a Traffic Separation Scheme shall : - a. If less than 20 metres in length shall not impede other power-driven vessels using the lane b. So far as practicable keep clear of a traffic separation line or separation zone c. Shall not anchor near the terminations. d. All of the above.

A

d. All of the above.

2
Q

During the day a vessel displays three black balls, what lights should she display at night ? a. 3 red lights b. 2 red lights c. 2 red lights and one all round white light.

A

c. 2 red lights and one all round white light.

3
Q

A vessel shall so far as practicable avoid crossing traffic lane, but if obliged to do so shall : a. cross at a small angle to the general direction of traffic flow as is safe and practicable b. cross as nearly as practicable at right angles to the general direction of the traffic flow c. use high powered engines

A

b. cross as nearly as practicable at right angles to the general direction of the traffic flow

4
Q

A vessel nearing a bend or an area of channel or fairway where other vessels may be obscured by an intervening obstruction shall sound :- a. One prolonged blast b. Two prolonged blast c. Three prolonged blast

A

a. One prolonged blast

5
Q

When two power-driven vessels are crossing so as to involve risk of collision :- a. The vessel which is faster shall give way b. The vessel which has the other on the starboard side shall give way c. Both vessels should give way to each other

A

b. The vessel which has the other on the starboard side shall give way

6
Q

Every vessel shall at all times determine if any risk of collision exists, if there is any doubt: a. such risk shall deem not to exist b. such risk shall deem to exist c. stop the engine immediately

A

b. such risk shall deem to exist

7
Q

A vessel of less than 20 meters in length or a sailing vessel shall :- a. avoid crossing the channel or the fairway. b. not impede the passage of a vessel which can safely navigate only within the narrow channel or fairway. c. impede the passage of a vessel which can safely navigate only within the narrow channel or fairway.

A

b. not impede the passage of a vessel which can safely navigate only within the narrow channel or fairway.

8
Q

In a narrow channel, a pleasure craft should remain as far as is safe and practicable :- a. on the port side of the channel. b. on the starboard side of the channel. c. in the middle of the channel.

A

b. on the starboard side of the channel.

9
Q

A vessel engaged in fishing when crossing the path of a power-driven vessel, so as to involve risk of collision :- a. Power-driven vessel should give way to the fishing vessel b. The fishing vessel should give way c. Both vessels should give way to each other.

A

a. Power-driven vessel should give way to the fishing vessel

10
Q

Every vessel that is directed to keep out of the way of another vessel shall :- a. sound and hail for right of way b. stay on course and alter course as necessary c. so far as possible take early and substantial action to keep well clear.

A

c. so far as possible take early and substantial action to keep well clear.

11
Q

A “Vessel not under Command” means : a. made fast ashore b. has a mechanical breakdown. . Eg engine of steering failure c. vessel is engaged in special operations

A

b. has a mechanical breakdown. . Eg engine of steering failure

12
Q

The navigational lights shall be displayed : a. between sunset and sunrise and during all conditions of restricted visibility b. between sunset and sunrise only c. when it is dark

A

a. between sunset and sunrise and during all conditions of restricted visibility

13
Q

A pilot vessel on duty at night shall display the following lights : a. Red over White b. White over Red c. White over White

A

b. White over Red

14
Q

A vessel at anchor by night shall exhibit where it can best be seen : a. an all round white light, at the fore part of the vessel b. a white light, at the stern of the vessel c. a white light, at the fore part of the vessel and the side lights (red & green)

A

a. an all round white light, at the fore part of the vessel

15
Q

When a vessel is overtaking another at night, she would be able to see the following lights of the vessel being overtaken: a. green, red and white light (side lights & masthead light) b. the green and red lights (side lights) c. one white light only (stern light)

A

c. one white light only (stern light)

16
Q

At night, a power-driven vessel sees a red and a green light only, directly ahead. What action does she take? a. Alter course to starboard immediately. b. Alter course to port immediately. c. Take appropriate action to avoid collision, as the vessel ahead is a sailing vessel.

A

c. Take appropriate action to avoid collision, as the vessel ahead is a sailing vessel.

17
Q

A towing vessel “T” not restricted in her ability to manoeuvre, is involved in a head-on situation with a power-driven vessel “P”, and risk of collision exists. What action should be taken to avoid a collision? a. Vessel “T” should give way to vessel “P”. b. Vessel “P” should give way to vessel “T”. c. Both vessels should give way to each other.

A

c. Both vessels should give way to each other.

18
Q

What fog signal does a power-driven vessel “making way” sound, when she is in or near an area of restricted visibility. a. 1 prolonged blast at intervals of not more than 2 mins. b. 2 prolonged blast at intervals of not more than 2 mins. c. 1 short blast at intervals of not more than 120 seconds.

A

a. 1 prolonged blast at intervals of not more than 2 mins.

19
Q

What fog signal does a power-driven vessel “underway” but not making way sound, when she is in or near an area of restricted visibility. a. 1 prolonged blast at intervals of not more than 1 minute. b. 2 prolonged blasts at intervals of not more than 2 minutes. c. 3 prolonged blast at intervals of not more than 2 minutes.

A

b. 2 prolonged blasts at intervals of not more than 2 minutes.

20
Q

What is the colour and characteristic of the towing light ? a. Yellow – same characteristic as the masthead light. b. Yellow - same characteristic as the stern light. c. Orange - same characteristic as the stern light.

A

b. Yellow - same characteristic as the stern light.

21
Q

You hear the fog signals of a vessel making way forward of your beam in an area of restricted visibility. She sounds close and possibly there is a risk of collision. You should : a. Slow down and assess the situation, and if it is safe alter course to starboard. b. Slow down and alter course to port. c. Proceed ahead and confirm that there is risk of collision before taking action.

A

a. Slow down and assess the situation, and if it is safe alter course to starboard.

22
Q

At night you see a vessel crossing and displaying two red lights in a vertical line. What action should you take ? a. If she is approaching from the port bow, stand-on. b. If she is approaching from the starboard bow, give way. c. Give way regardless of her relative position.

A

c. Give way regardless of her relative position.

23
Q

When in sight of one another, a vessel altering course to starboard shall sound : a. one short blast. b. two short blast. c. One prolonged blast.

A

a. one short blast.

24
Q

The following is a distress signal : a. jumping up and down on the upper deck continuously b. waving hands over the head continuously c. slowly and repeatedly raising and lowering arms outstretched to each side.

A

c. slowly and repeatedly raising and lowering arms outstretched to each side.

25
Q

In restricted visibility, a vessel restricted in her ability to manoeuvre, a vessel not under command and a vessel constrained by her draught, shall sound at intervals of not more than 2 minutes :- a. 1 prolonged blast. b. 2 prolonged blast. c. 3 blasts in succession, namely 1 prolonged followed by 2 short blasts.

A

c. 3 blasts in succession, namely 1 prolonged followed by 2 short blasts.

26
Q

A power-driven vessel underway shows the following lights :- a. masthead lights plus sidelights and stern light. b. masthead lights and sidelights c. masthead lights and stern light

A

a. masthead lights plus sidelights and stern light.

27
Q

What lights does a sailing vessel display ? a. port, starboard, masthead light and stern lights b. port, starboard and stern lights c. port, starboard and masthead lights

A

b. port, starboard and stern lights

28
Q

During restricted visibility, a sailing vessel proceeding through a narrow channel, when “making way” shall sound : a. 1 prolonged blast at intervals of more than 120 seconds b. 1 prolonged blast at intervals of not more than 120 seconds c. 3 blasts in succession, namely 1 prolonged followed by 2 short blasts.

A

c. 3 blasts in succession, namely 1 prolonged followed by 2 short blasts.

29
Q

When a sailing vessel and a power-driven vessel are on a head-on or nearly head-on situation, what collision avoiding action should be taken : a. Sailing vessel shall stand-on b. Power-driven shall vessel stand-on c. Both vessels shall give way

A

a. Sailing vessel shall stand-on

30
Q

A vessel at anchor by day, shall exhibit where it can best be seen : a. a black diamond at the forepart of the vessel b. 2 black balls at the forepart of the vessel c. one black ball at the forepart of the vessel

A

c. one black ball at the forepart of the vessel

31
Q

As per the International Regulations for Prevention of Collisions at Sea, a “proper lookout” is:- a. a lookout that makes a full appraisal of the situation and of the risk of collision b. a good lookout using binoculars c. a lookout all around all the time

A

a. a lookout that makes a full appraisal of the situation and of the risk of collision

32
Q

As per the International Regulations for Prevention of Collisions at Sea, a “vessel constrained by her draught” is to display by day :- a. a black diamond b. a black cone c. a black cylinder

A

c. a black cylinder

33
Q

During daylight, a sailing vessel under sail and power, shall display :- a. a black ball b. a black cone with apex pointing upward c. a black cone with apex pointing downward

A

c. a black cone with apex pointing downward

34
Q

A vessel displays three black balls. What type of vessel is that : a. constrained by her draught b. restricted in her ability to manoevure c. aground d. Not under Command

A

c. aground

35
Q

At night, a vessel restricted in her ability to manoevure, displays three all round lights in a vertical line, as follows : a. the top and bottom lights are red and the middle light is white b. the top two lights are red and the bottom light is white c. the three lights are white

A

a. the top and bottom lights are red and the middle light is white

36
Q

When using a narrow channel or fairway, a power-driven pleasure craft shall :- a. keep to the port side of the fairway b. keep to the starboard side of the fairway c. keep to the middle of the fairway

A

b. keep to the starboard side of the fairway

37
Q

When in doubt of the intention of the “Give-way” vessel, what sound signal shall the “Stand-on” vessel sound : a. one prolong blast b. 5 or more short blasts c. 3 short blasts

A

b. 5 or more short blasts

38
Q

In a head on situation, a sailing vessel X, under sail and power, and a tugboat Y engaged in towing, are approaching each other so as to involve risk of collision. What action shall be taken : a. X should give way b. Y should give way c. Both vessels should give way

A

c. Both vessels should give way

39
Q

The word “Making Way” means :- a. Drifting b. Moving through the water c. Stopped

A

b. Moving through the water

40
Q

In the event of a mechanical breakdown in a narrow channel or fairway : a. Signal for help b. Anchor the vessel c. Move to the starboard side of the channel and anchor.

A

c. Move to the starboard side of the channel and anchor.

41
Q

You see 2 masthead lights and both sidelights. What vessel is that? a. A power driven vessel of more than 50 meters in length b. A tug boat towing another vessel and the tow is less than 200 meters in length boat c. It could be „a‟ or „b‟

A

c. It could be „a‟ or „b‟

42
Q

The word “Under Way” means :- a. Drifting b. Moving through the water c. Stopped, not at anchor, nor made fast to the shore or aground

A

c. Stopped, not at anchor, nor made fast to the shore or aground

43
Q

The flag “A” in the International Code of Signals means :- a. I have a diver down below, so keep well clear at slow speed b. I am waiting for port clearance c. Keep clear of mehttps://s3.amazonaws.com/brainscape-prod/system/cm/035/738/800/q_image_thumb.png?1368367259

A

a. I have a diver down below, so keep well clear at slow speed

44
Q

In a head on situation, when a power-driven vessel meets a sailing vessel underway, and if risk of collision exist the power-driven vessel shall : - a. Turn to starboard b. Both turn to starboard c. Stop to see what’s going on d. Turn to either side to keep clear

A

d. Turn to either side to keep clear

45
Q

When negotiating a blind bend in a channel, you hear a prolong blast ahead of you. What action should you take? a. Sound 5 short blast and maintain course b. Sound 1 prolong blast and move closer to the starboard side of the channel c. Sound 2 prolong blasts and keep to the centre of the channel d. Stop Engine

A

b. Sound 1 prolong blast and move closer to the starboard side of the channel

46
Q

Some of the considerations to be given when determining safe speed are : a. Tonnage of boat, engine horsepower and number of personnel in the boat b. Traffic density, state of sea and visibility c. Time of the day, location and fuel capacity d. Length of boat and distance from shore

A

b. Traffic density, state of sea and visibility

47
Q

Both are power driven vessels. In this situation, if vessel „A‟ does not take action and there is risk of collision, when may vessel „B‟ take action to avoid collision ? a. At any time she feels it is appropriate b. After she sounds 3 short blasts c. When it becomes apparent that vessel „A‟ is not taking action d. When vessel A is less than 1 nautical milehttps://s3.amazonaws.com/brainscape-prod/system/cm/035/738/804/q_image_thumb.png?1368367304

A

c. When it becomes apparent that vessel „A‟ is not taking action

48
Q

At night, vessel „B‟ is approaching vessel „A‟. If you were on vessel „B‟, how would you know if vessel „B‟ is an overtaking vessel or not ? a. Cannot determine that for sure. b. If overtaking, vessel „B‟ should see the stern light, the green starboard side light and the mast light of vessel „A‟. c. If overtaking, I should see only the stern light of vessel „A‟. d. Vessel „B‟ is crossing because it is not right astern of vessel „A‟.

A

c. If overtaking, I should see only the stern light of vessel „A‟.

49
Q

A power-driven vessel ‘X’ is overtaking another power-driven vessel ‘Y’. If vessel ‘X’ fails to take action to avoid collision, vessel „Y‟ shall: a. maintain her course and speed. b. both vessel ‘X’ and ‘Y’ should give way to each other. c. take action to avoid collision. d. try to communicate with vessel „X‟https://s3.amazonaws.com/brainscape-prod/system/cm/035/738/806/q_image_thumb.png?1368368092

A

c. take action to avoid collision.

50
Q

Three power driven vessels are approaching. When risks of collision exists : a. Z stands-on for Y; b. Z stands-on for X; c. Z only gives way to X; or d. Z gives way to Y & X.https://s3.amazonaws.com/brainscape-prod/system/cm/035/738/807/q_image_thumb.png?1368368128

A

d. Z gives way to Y & X.

51
Q

In an overtaking situation if the powered driven vessel “P” maintains her course and speed, the sailing vessel “S” shall :- a. Maintain her course and speed b. Alter her course and keep clear of “P” c. Sound 5 or more short blastshttps://s3.amazonaws.com/brainscape-prod/system/cm/035/738/808/q_image_thumb.png?1368368156

A

b. Alter her course and keep clear of “P”

52
Q

When a power-driven vessel „P‟ is proceeding along a narrow channel or fairway, meets a vessel „F‟ engaged in fishing crossing the channel or fairway. a. Vessel „F‟ should give way to vessel „P‟ b. Vessel „P‟ should give way to vessel „F‟ c. Both vessels should give way to each otherhttps://s3.amazonaws.com/brainscape-prod/system/cm/035/738/809/q_image_thumb.png?1368370087

A

b. Vessel „P‟ should give way to vessel „F‟

53
Q

When three power driven vessels are meeting, as shown in the diagram so as to involve risk of collision: a. Vessel „A‟ gives way to vessel „B‟ b. Vessel „A‟ gives way to vessel „C‟ c. Vessel „A‟ gives way to vessel „B‟ and „C‟https://s3.amazonaws.com/brainscape-prod/system/cm/035/738/810/q_image_thumb.png?1368370132

A

b. Vessel „A‟ gives way to vessel „C‟

54
Q

When a sailing vessel „S‟ is crossing a power-driven vessel „P‟ so as to involve risk of collision; a. Both vessel „S‟ and „P‟ shall alter course to starboard. b. Vessel „S‟ should give way to vessel „P‟. c. Vessel „P‟ should give way to vessel „S‟.

A

c. Vessel „P‟ should give way to vessel „S‟.

55
Q

When a sailing vessel „S‟ is meeting head on with a power-driven vessel „P‟ so as to involve risk of collision; a. Both vessel „S‟ and „P‟ shall alter course to starboard. b. Vessel „S‟ should give way to vessel „P‟. c. Vessel „P‟ should give way to vessel „S‟.https://s3.amazonaws.com/brainscape-prod/system/cm/035/738/812/q_image_thumb.png?1368370239

A

c. Vessel „P‟ should give way to vessel „S‟.

56
Q

A tug boat less than 50 metres in length towing a long barge more than 200 metres in length shall display : a. 1 mast head light b. 2 masthead lights c. 3 masthead lights

A

c. 3 masthead lights

57
Q

When overtaking another vessel on its port side, and soon you need to alter your course to starboard. You shall :- a. Wait till the overtaken vessel is past and clear b. Give 5 or more short blasts c. Slow down. Once the other vessel has overtaken and is clear, then alter course to starboard

A

c. Slow down. Once the other vessel has overtaken and is clear, then alter course to starboard

58
Q

In a power driven vessel less than 12 metres in length, what does the combine lantern consist of ? a. port and starboard sidelights b. port, starboard and stern lights c. port, starboard and masthead lights.

A

a. port and starboard sidelights

59
Q

w would you determine if risk of collision exists ? a. By observing the relative bearing b. The compass bearing of an approaching vessel does not appreciably change c. By observing the distance of the other vessel

A

b. The compass bearing of an approaching vessel does not appreciably change