Navigational Rules of the Road Flashcards
1
Q
The international rules of the road apply?
A
Upon the high seas and connecting waters navigable by seagoing vessels
2
Q
An authorized light to assist in the identification of submarines operating on the surface is?
A
An intermittent flashing amber/yellow light
3
Q
According to the rules, more than two vessels crossing would be?
A
A special circumstance
4
Q
When may you depart from the rules?
A
When in immediate danger
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
6
Q
To be considered engaged in fishing a vessel must?
A
Be using fishing apparatus which restricts maneuverability
7
Q
A vessel transferring cargo while underway is classified as?
A
A vessel restricted in her ability to maneuver
8
Q
A vessel drifting with the engine off is considered?
A
To be underway
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
10
Q
When navigating in thick fog you should?
A
Station a look out as low down and far forward as possible
11
Q
When does the rule regarding look outs apply?
A
Restricted visibility, between dusk and dawn and in heavy traffic
12
Q
Safe Speed?
A
speed where you can take proper and effective action to avoid collision
13
Q
When must you operate at a safe speed?
A
All times
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
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
16
Q
Risk of collision exists when?
A
Approaching vessel has a generally steady bearing and decreasing range
17
Q
The rules require that any action taken to avoid a collision must be?
A
Positive and made in ample time
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
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
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
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
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
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
24
Q
A vessel using a traffic separation scheme is forbidden to?
A
Proceed through an inappropriate traffic lane
25
In a traffic separation scheme, when joining a traffic lane from the side, a vessel shall do so?
At as small an angle as possible
26
Vessel using a traffic separation scheme should avoid anchoring in areas?
Near the termination of the scheme
27
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?
The wind forward of the beam on the starboard side
28
If two sailing vessels are running free with the wind on the same side, which one must keep clear of the other?
The one to windward must keep clear
29
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?
Keep out of the way of the other vessel
30
Power driven vessels must keep out of the way of sailing vessels except when?
The sailing vessel is overtaking
31
A vessel is overtaking when?
She approaches another from more than 22.5 degrees abaft the beam
32
A vessel is overtaking when she can only see?
The stern light of the vessel
33
A vessel overtaking is relieved of her duty to keep clear when?
She is past and clear of the other vessel
34
In an overtaking situation any later change of bearing between the two vessels shall not?
Make the overtaking vessel a crossing vessel
35
When two vessels are approaching each other near head on both vessels should alter course to?
Starboard
36
You sight another power-driven vessel dead-ahead showing both red and green sidelights. The required action is?
Alter course to starboard and pass port to port
37
In a head on situation at night you would see?
Both sidelights or a vessel and her masthead light(s)
38
When two power driven vessels are crossing, which vessel must keep out of the way?
The vessel which has the other to starboard must keep out of the way
39
You should avoid crossing...
ahead of the another vessel
40
When two power driven vessels are crossing which vessel is the stand-on vessel?
The vessel which is to starboard of the other vessel is the stand on vessel
41
A stand on vessel is required to do what in a crossing situation?
Maintain course and speed, but may take action to avoid collision
42
When is a stand on vessel in a crossing situation allowed to take action?
When it becomes apparent to her that the give-way vessel is not taking the appropriate action
43
For a stand on vessel to take action to avoid collision she shall, if possible, not turn to?
Port for a vessel on her port side
44
A power driven vessel is underway and fishing with trolling lines. Must they keep out of the way of a sailing vessel?
Yes
45
A vessel underway and fishing shall keep out of the way of a vessel?
Not under command
46
A vessel engaged in fishing shall keep out of the way of a vessel?
restricted in her ability to maneuver
47
Seaplane shall in general?
Keep well clear of all vessels
48
The steering and sailing rules for vessels in restricted visibility apply to vessels navigating in or near?
An area of Restricted visibility
49
When navigating in restricted visibility, a power-driven vessel shall have her engines?
Ready for immediate maneuver
50
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?
As soon as possible
51
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?
Turn to starboard
52
A vessel hearing a fog signal forward of her beam has not determined if a risk of collision exists, what shall she do?
Reduce speed to bare steerageway
53
Navigational lights must be displayed?
In all weathers from sunset to sunrise, they may be displayed during daylight
54
A white masthead light shows through an arc of?
225 degrees
55
The arc of visibility for sidelights is from right ahead to?
22.5 degrees abaft the beam
56
The stern light shall be positioned such that it will show from dead astern to?
67.5 degrees on each side of the stern of the vessel
57
What is a yellow light with the same characteristics as a stern light?
A towing light
58
A power-driven vessel would exhibit sidelights when?
Underway and not making way
59
Minimum length a power-driven vessel must show forward and aft masthead lights?
50m
60
A power driven vessel less than 50m in length with a 20m tow must show?
Two masthead lights in a vertical line
61
A vessel whose tow exceeds 200 meters astern must exhibit?
3 white masthead lights in a vertical line
62
A power driven vessel towing astern shall show a towing light?
In a vertical line above the stern light
63
A vessel being towed astern shall show at night?
sidelights and a stern light
64
A partially submerged vessel or object being towed, which is not readily noticeable, shall show?
A diamond shape
65
A sailboat must show what when underway at night?
Red and green sidelights and a stern light
66
A 15m sailing vessel would be required to show?
sidelights and a stern light, but they may be in a combination lantern on the mast
67
If a rowboat underway at night does not show the lights specified for a sailing vessel underway, it shall show?
A white light shown in sufficient time to prevent collision
68
In daytime you see a large sailing vessel on the beam, you know that she is also propelled by machinery if?
She shows a black cone
69
A vessel engaged in trawling will show the identification lights:
Green light over white
70
A vessel engaged in fishing during the day would show?
Two cones, apexes together
71
A vessel underway but not making way and fishing other than trawling will show:
Red light over a white light
72
A vessel fishing at night with gear extending more than 150m horizontally outwards will show?
In the direction of the gear, one white light
73
A dayshape consisting of one cone with its apex upwards must be shown by a vessel?
Over 20ms, fishing, which has gear extending more than 150ms horizontally outward from it
74
A vessel not under command making way at night will show:
Two all-round red lights in a vertical line, sidelights and a stern light
75
A vessel servicing a pipeline during the day shall display?
Three black shapes in a vertical line, the highest and lowest are balls, the middle on a diamond
76
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 rigid replica of the International Code flag "A"
77
A pilot vessel on pilotage duty shall show identity lights?
Anytime while underway, while at anchor, and when alongside a vessel
78
If you anchor your 25m vessel in a harbor your must show?
one all-round white light
79
A vessel at anchor shall display between sunrise and sunset on the forward part of the vessel where it can be best seen?
one black ball
80
The minimum length of an anchored vessel which is required to show a white light both forward and aft is?
50m
81
Working lights shall be used to illuminate the decks of a vessel over ____ while at anchor.
100m
82
How long is a short blast on a whistle?
1 sec
83
How long is a prolonged blast?
4-6 seconds
84
What are the only equipment required for a vessel 20 meters in length for making fog signals?
whistle and a bell
85
Any vessel over 100m must have a?
Gong or other equipment that will make the sounds of a gong
86
What is the minimum sound signaling equipment aboard a vessel 10m in length?
anything that is capable of making an efficient sound signal
87
What does three short blasts of the whistle mean?
I am operating astern propulsion
88
What does five or more short blasts of the whistle indicate?
That she is in doubt that another vessel is taking sufficient action to avoid collision
89
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?
one prolonged blast
90
Your vessel is approaching a bend and hears one prolonged blast from another vessel, you should respond?
With one prolonged blast
91
While underway in fog you hear a prolonged blast from another vessel, this indicates?
A power-driven vessel underway, making way
92
A power-driven vessel underway, and making way in fog shall sound?
A prolonged blast every 2 minutes
93
While underway in fog, you hear another vessel sound two prolonged blasts on the whistle, you should?
Sound only fog signals until the other vessel is sighted
94
While underway in the fog you hear another vessel sounding two prolonged blasts every two minutes, this indicates?
The vessel is drifting
95
In restricted visibility a vessel fishing with nets shall sound?
At intervals of two minutes, one prolonged blast followed by two short blasts
96
A rapid ringing of a bell in the fog indicates?
A vessel at anchor
97
A vessel that is not equipped with towing lights should show that it has a vessel in tow by?
Shinning a searchlight on the towline of the towed vessel
98
One of the signals, other than a distress signal, that can be used by a vessel to attract attention is?
A searchlight
99
A continuous sounding of a fog-signal apparatus indicates?
a vessel in distress
100
An orange flag showing a black circle and a square is?
A distress signal
101
Is a vessel constrained by draft contained in the Inland Navigational Rules?
No
102
The term inland waters includes:
The Great Lakes on the US side of the International boundary, the western rivers, extending to the COLREGS demarcation line
103
When two power-driven vessels are meeting on the great lakes, western rivers, etc. where there is current, who sounds the first signal.
The vessel downbound with the following current shall sound the first passing signal
104
Who has right of way upbound or downbound vessel?
downbound
105
A power-driven vessel crossing a river on the Great Lakes or Western Rivers must keep out of the way of:
all vessels descending or ascending the river
106
A masthead light may be located at other than the fore and aft centerline on a power-driven vessel less than? (inland)
12 m
107
According to the inland rules, a special flashing light must be:
yellow in color, placed as far forward as possible and must not show through an arc of more than 225 degrees
108
If your tug is pushing a barge ahead at night and it is not a composite unit, how many towing lights should you show?
Two towing lights aft on your vessel
109
When underway at night you see a vessel with two yellow lights displayed in a vertical line this means?
A vessel is pushing ahead
110
Is a special flashing light used on a vessel pushing ahead?
Yes
111
A single vessel being toed alongside shall show?
a special flashing light, sidelights and a stern light
112
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?
The presence of a partially submerged object being towed
113
Does a vessel less than 20m in length at anchor at night in a special anchorage area need to show any lights?
No
114
A barge more than 50m long is required to show what when anchored in a special anchorage area?
two white anchor lights
115
When shall passing signals be sounded on inland waters by power-driven vessels?
When crossing less than half a mile ahead of another power-driven vessel
116
When power-driven vessels are in a crossing situation, one short blast by either vessel would mean:
I intend to leave you on my port side
117
One and two short blast signals must be sounded on inland waters when?
two power-driven vessels are in sight of one another and are meeting at a distance of one half mile
118
A vessel leaving a dock or berth must sound?
a prolonged blast of the whistle only if she is a power-driven vessel
119
A power must sound 3 short blasts in addition to a prolonged blast when?
Backing our of a berth and in sight of another vessel
120
If you are overtaking a vessel in a narrow-channel you may attempt to contact her via?
radiophone to arrange for the passage
121
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?
No but may still be used
122
Is a vessel of 15m in length anchored in a special anchorage area required to sound a fog signal?
No
