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Rules of the Road > Navigational Rules of the Road > Flashcards

Navigational Rules of the Road Flashcards

To practice application of rules

1
Q

The international rules of the road apply?

A

Upon the high seas and connecting waters navigable by seagoing vessels

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2
Q

An authorized light to assist in the identification of submarines operating on the surface is?

A

An intermittent flashing amber/yellow light

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3
Q

According to the rules, more than two vessels crossing would be?

A

A special circumstance

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4
Q

When may you depart from the rules?

A

When in immediate danger

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5
Q

In complying with the rules a mariner must take?

A

Due regard of the limiting backing power of his vessel, radar information about other vessels and the occupation of the other vessel if known

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6
Q

To be considered engaged in fishing a vessel must?

A

Be using fishing apparatus which restricts maneuverability

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7
Q

A vessel transferring cargo while underway is classified as?

A

A vessel restricted in her ability to maneuver

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8
Q

A vessel drifting with the engine off is considered?

A

To be underway

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9
Q

Are a pushing vessel and a vessel being pushed when connected in a composite unit regarded as restricted in her ability to maneuver?

A

No

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10
Q

When navigating in thick fog you should?

A

Station a look out as low down and far forward as possible

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11
Q

When does the rule regarding look outs apply?

A

Restricted visibility, between dusk and dawn and in heavy traffic

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12
Q

Safe Speed?

A

speed where you can take proper and effective action to avoid collision

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13
Q

When must you operate at a safe speed?

A

All times

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14
Q

What are some of the factors that are to be taken into account when determining safe speed?

A

Vessels detected by radar, wind, sea, current and proximity of navigational hazards

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15
Q

You are approaching another vessel and are not sure whether a danger of collision exists, according to the rules?

A

You must assume their is a risk of collision

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16
Q

Risk of collision exists when?

A

Approaching vessel has a generally steady bearing and decreasing range

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17
Q

The rules require that any action taken to avoid a collision must be?

A

Positive and made in ample time

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18
Q

When in sight of another vessel and there is sufficient sea room, any action taken to avoid collision must not result in?

A

Another close quarters situation

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19
Q

When action to avoid a close quarter situation is taken a course change alone may be the most effective action provided that?

A

It is a large course change

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20
Q

A vessel proceeding along a narrow channel shall…?

A

Keep as near as safe and practicable to the limit of the channel on her starboard side

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21
Q

In narrow channels vessels less than _______ shall not impede the safe passage of vessels which can navigate only inside the channel.

A

20 meters

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22
Q

A vessel sailing and a fishing vessel shall not impede the passage of a vessel which?

A

Can safely navigate only within a narrow channel or fairway

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23
Q

Systems of inbound lanes to promote the safe flow of vessel traffic in certain areas around the world are known as?

A

Traffic separation schemes

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24
Q

A vessel using a traffic separation scheme is forbidden to?

A

Proceed through an inappropriate traffic lane

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25
Q

In a traffic separation scheme, when joining a traffic lane from the side, a vessel shall do so?

A

At as small an angle as possible

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26
Q

Vessel using a traffic separation scheme should avoid anchoring in areas?

A

Near the termination of the scheme

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27
Q

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

A

The wind forward of the beam on the starboard side

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28
Q

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

A

The one to windward must keep clear

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29
Q

If a sailing vessel with the wind on her port side sees a sailing vessel to windward and cannot tell whether the other vessel has the wind on the port or starboard, she shall?

A

Keep out of the way of the other vessel

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30
Q

Power driven vessels must keep out of the way of sailing vessels except when?

A

The sailing vessel is overtaking

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31
Q

A vessel is overtaking when?

A

She approaches another from more than 22.5 degrees abaft the beam

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32
Q

A vessel is overtaking when she can only see?

A

The stern light of the vessel

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33
Q

A vessel overtaking is relieved of her duty to keep clear when?

A

She is past and clear of the other vessel

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34
Q

In an overtaking situation any later change of bearing between the two vessels shall not?

A

Make the overtaking vessel a crossing vessel

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35
Q

When two vessels are approaching each other near head on both vessels should alter course to?

A

Starboard

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36
Q

You sight another power-driven vessel dead-ahead showing both red and green sidelights. The required action is?

A

Alter course to starboard and pass port to port

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37
Q

In a head on situation at night you would see?

A

Both sidelights or a vessel and her masthead light(s)

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38
Q

When two power driven vessels are crossing, which vessel must keep out of the way?

A

The vessel which has the other to starboard must keep out of the way

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39
Q

You should avoid crossing…

A

ahead of the another vessel

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40
Q

When two power driven vessels are crossing which vessel is the stand-on vessel?

A

The vessel which is to starboard of the other vessel is the stand on vessel

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41
Q

A stand on vessel is required to do what in a crossing situation?

A

Maintain course and speed, but may take action to avoid collision

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42
Q

When is a stand on vessel in a crossing situation allowed to take action?

A

When it becomes apparent to her that the give-way vessel is not taking the appropriate action

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43
Q

For a stand on vessel to take action to avoid collision she shall, if possible, not turn to?

A

Port for a vessel on her port side

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44
Q

A power driven vessel is underway and fishing with trolling lines. Must they keep out of the way of a sailing vessel?

A

Yes

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45
Q

A vessel underway and fishing shall keep out of the way of a vessel?

A

Not under command

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46
Q

A vessel engaged in fishing shall keep out of the way of a vessel?

A

restricted in her ability to maneuver

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47
Q

Seaplane shall in general?

A

Keep well clear of all vessels

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48
Q

The steering and sailing rules for vessels in restricted visibility apply to vessels navigating in or near?

A

An area of Restricted visibility

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49
Q

When navigating in restricted visibility, a power-driven vessel shall have her engines?

A

Ready for immediate maneuver

50
Q

In the fog you observe your radar and determine risk of collision exists with a vessel which is 2 miles off of your port bow, when should you take action?

A

As soon as possible

51
Q

By radar alone you detect a vessel ahead on a collision course, about 3 miles distant, radar shows this to be a meeting situation, you should?

A

Turn to starboard

52
Q

A vessel hearing a fog signal forward of her beam has not determined if a risk of collision exists, what shall she do?

A

Reduce speed to bare steerageway

53
Q

Navigational lights must be displayed?

A

In all weathers from sunset to sunrise, they may be displayed during daylight

54
Q

A white masthead light shows through an arc of?

A

225 degrees

55
Q

The arc of visibility for sidelights is from right ahead to?

A

22.5 degrees abaft the beam

56
Q

The stern light shall be positioned such that it will show from dead astern to?

A

67.5 degrees on each side of the stern of the vessel

57
Q

What is a yellow light with the same characteristics as a stern light?

A

A towing light

58
Q

A power-driven vessel would exhibit sidelights when?

A

Underway and not making way

59
Q

Minimum length a power-driven vessel must show forward and aft masthead lights?

A

50m

60
Q

A power driven vessel less than 50m in length with a 20m tow must show?

A

Two masthead lights in a vertical line

61
Q

A vessel whose tow exceeds 200 meters astern must exhibit?

A

3 white masthead lights in a vertical line

62
Q

A power driven vessel towing astern shall show a towing light?

A

In a vertical line above the stern light

63
Q

A vessel being towed astern shall show at night?

A

sidelights and a stern light

64
Q

A partially submerged vessel or object being towed, which is not readily noticeable, shall show?

A

A diamond shape

65
Q

A sailboat must show what when underway at night?

A

Red and green sidelights and a stern light

66
Q

A 15m sailing vessel would be required to show?

A

sidelights and a stern light, but they may be in a combination lantern on the mast

67
Q

If a rowboat underway at night does not show the lights specified for a sailing vessel underway, it shall show?

A

A white light shown in sufficient time to prevent collision

68
Q

In daytime you see a large sailing vessel on the beam, you know that she is also propelled by machinery if?

A

She shows a black cone

69
Q

A vessel engaged in trawling will show the identification lights:

A

Green light over white

70
Q

A vessel engaged in fishing during the day would show?

A

Two cones, apexes together

71
Q

A vessel underway but not making way and fishing other than trawling will show:

A

Red light over a white light

72
Q

A vessel fishing at night with gear extending more than 150m horizontally outwards will show?

A

In the direction of the gear, one white light

73
Q

A dayshape consisting of one cone with its apex upwards must be shown by a vessel?

A

Over 20ms, fishing, which has gear extending more than 150ms horizontally outward from it

74
Q

A vessel not under command making way at night will show:

A

Two all-round red lights in a vertical line, sidelights and a stern light

75
Q

A vessel servicing a pipeline during the day shall display?

A

Three black shapes in a vertical line, the highest and lowest are balls, the middle on a diamond

76
Q

By day when it is impracticable for a small vessel engaged in diving operations to display the shapes for a vessel engaged in underwater operations, she shall display?

A

A rigid replica of the International Code flag “A”

77
Q

A pilot vessel on pilotage duty shall show identity lights?

A

Anytime while underway, while at anchor, and when alongside a vessel

78
Q

If you anchor your 25m vessel in a harbor your must show?

A

one all-round white light

79
Q

A vessel at anchor shall display between sunrise and sunset on the forward part of the vessel where it can be best seen?

A

one black ball

80
Q

The minimum length of an anchored vessel which is required to show a white light both forward and aft is?

A

50m

81
Q

Working lights shall be used to illuminate the decks of a vessel over ____ while at anchor.

A

100m

82
Q

How long is a short blast on a whistle?

A

1 sec

83
Q

How long is a prolonged blast?

A

4-6 seconds

84
Q

What are the only equipment required for a vessel 20 meters in length for making fog signals?

A

whistle and a bell

85
Q

Any vessel over 100m must have a?

A

Gong or other equipment that will make the sounds of a gong

86
Q

What is the minimum sound signaling equipment aboard a vessel 10m in length?

A

anything that is capable of making an efficient sound signal

87
Q

What does three short blasts of the whistle mean?

A

I am operating astern propulsion

88
Q

What does five or more short blasts of the whistle indicate?

A

That she is in doubt that another vessel is taking sufficient action to avoid collision

89
Q

A vessel nearing a bend or an area of a channel or fairway where other vessels may be obstructed by an intervening obstruction shall sound?

A

one prolonged blast

90
Q

Your vessel is approaching a bend and hears one prolonged blast from another vessel, you should respond?

A

With one prolonged blast

91
Q

While underway in fog you hear a prolonged blast from another vessel, this indicates?

A

A power-driven vessel underway, making way

92
Q

A power-driven vessel underway, and making way in fog shall sound?

A

A prolonged blast every 2 minutes

93
Q

While underway in fog, you hear another vessel sound two prolonged blasts on the whistle, you should?

A

Sound only fog signals until the other vessel is sighted

94
Q

While underway in the fog you hear another vessel sounding two prolonged blasts every two minutes, this indicates?

A

The vessel is drifting

95
Q

In restricted visibility a vessel fishing with nets shall sound?

A

At intervals of two minutes, one prolonged blast followed by two short blasts

96
Q

A rapid ringing of a bell in the fog indicates?

A

A vessel at anchor

97
Q

A vessel that is not equipped with towing lights should show that it has a vessel in tow by?

A

Shinning a searchlight on the towline of the towed vessel

98
Q

One of the signals, other than a distress signal, that can be used by a vessel to attract attention is?

A

A searchlight

99
Q

A continuous sounding of a fog-signal apparatus indicates?

A

a vessel in distress

100
Q

An orange flag showing a black circle and a square is?

A

A distress signal

101
Q

Is a vessel constrained by draft contained in the Inland Navigational Rules?

A

No

102
Q

The term inland waters includes:

A

The Great Lakes on the US side of the International boundary, the western rivers, extending to the COLREGS demarcation line

103
Q

When two power-driven vessels are meeting on the great lakes, western rivers, etc. where there is current, who sounds the first signal.

A

The vessel downbound with the following current shall sound the first passing signal

104
Q

Who has right of way upbound or downbound vessel?

A

downbound

105
Q

A power-driven vessel crossing a river on the Great Lakes or Western Rivers must keep out of the way of:

A

all vessels descending or ascending the river

106
Q

A masthead light may be located at other than the fore and aft centerline on a power-driven vessel less than? (inland)

A

12 m

107
Q

According to the inland rules, a special flashing light must be:

A

yellow in color, placed as far forward as possible and must not show through an arc of more than 225 degrees

108
Q

If your tug is pushing a barge ahead at night and it is not a composite unit, how many towing lights should you show?

A

Two towing lights aft on your vessel

109
Q

When underway at night you see a vessel with two yellow lights displayed in a vertical line this means?

A

A vessel is pushing ahead

110
Q

Is a special flashing light used on a vessel pushing ahead?

A

Yes

111
Q

A single vessel being toed alongside shall show?

A

a special flashing light, sidelights and a stern light

112
Q

A diamond shape on a towed object, an all-round white light at each end of a towed object, or a searchlight beamed from the towing vessel in the direction of the two can be used to indicate?

A

The presence of a partially submerged object being towed

113
Q

Does a vessel less than 20m in length at anchor at night in a special anchorage area need to show any lights?

A

No

114
Q

A barge more than 50m long is required to show what when anchored in a special anchorage area?

A

two white anchor lights

115
Q

When shall passing signals be sounded on inland waters by power-driven vessels?

A

When crossing less than half a mile ahead of another power-driven vessel

116
Q

When power-driven vessels are in a crossing situation, one short blast by either vessel would mean:

A

I intend to leave you on my port side

117
Q

One and two short blast signals must be sounded on inland waters when?

A

two power-driven vessels are in sight of one another and are meeting at a distance of one half mile

118
Q

A vessel leaving a dock or berth must sound?

A

a prolonged blast of the whistle only if she is a power-driven vessel

119
Q

A power must sound 3 short blasts in addition to a prolonged blast when?

A

Backing our of a berth and in sight of another vessel

120
Q

If you are overtaking a vessel in a narrow-channel you may attempt to contact her via?

A

radiophone to arrange for the passage

121
Q

If two vessels in a crossing situation have reached an agreement via radiotelephone as to the intentions of the other, are whistle signals still required?

A

No but may still be used

122
Q

Is a vessel of 15m in length anchored in a special anchorage area required to sound a fog signal?

A

No

Rules of the Road (5 decks)

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