NAVRULS Flashcards
1
Q
What light may a sub display?
A
May display an intermittent flashing amber beacon with a sequence of 1 flash every second for 3 seconds followed by 3 seconds off
2
Q
As per the NAVRULS, what is a vessel?
A
It includes every description of water craft, including non-displacement craft, WIG craft and seaplanes, used or capable of being used as a means of transportation on water
3
Q
What does the term power driven vessel mean?
A
Means any vessel propelled by machinery
4
Q
What does the term sailing vessel mean?
A
Means any vessel under sail provided that propelling machinery, if fitted is not being used
5
Q
What does the term vessel engaged in fishing mean?
A
Means any vessel with nets, lines, trawls or other fishing apparatus which restrict maneuverability, but does not include a vessel fishing with trolling lines or other fishing apparatus which do not restrict maneuverability
6
Q
What does the term seaplane mean?
A
It includes any aircraft designed to maneuver on the water
7
Q
What does the term “vessel not under command mean”?
A
It means a vessel which through some exceptional circumstance is unable to maneuver as required by these rules and is there for unable to keep out of the way of another vessel
8
Q
What does the term “vessel restricted in her ability to maneuver” mean?
A
Means a vessel which from the nature of her work is restricted in her ability to maneuver as required by these rules and is therefore unable to keep out of the way of another vessel
9
Q
What operations fall under “vessels restricted in their ability to maneuver”?
A
- a vessel engaged in laying, servicing or picking up a navigation mark, submarine cable or pipeline
- a vessel engaged in dredging, surveying or underwater operations
- a vessel engaged in replenishment or transferring persons, provisions or cargo while u/w
- a vessel engaged in the launching or recovery of aircraft
- a vessel engaged in mine clearance ops
- a vessel engaged in towing ops such as severely restricts the towing vessel and her tow in their ability to deviate from their course
10
Q
What does the term constrained by draft mean?
A
It means a power driven vessel which because of her draft in relation to the available depth and width of navigable water is severely restricted in her ability to deviate from the course she is following
11
Q
What rules do not have the term constrained by draft
A
Inland rules
12
Q
What does the term underway mean?
A
Means a vessel that is not at anchor or made fast to the shore or aground
13
Q
What does the terms length and breadth mean?
A
Means the vessels overall length and greatest breadth
14
Q
Vessels shall be deemed to be in sight of one another, when?
A
Only when one can be observed visually from the other
15
Q
What does the term restricted visibility mean?
A
Means any condition in which visibility is restricted by fog, mist, falling snow, heavy rainstorms, sandstorms or any other similar causes
16
Q
What does the term WIG mean?
A
Wing-in-ground, it’s a multimodal craft which, in its main operational mode, flies in close proximity to the surface by utilizing surface effect action
17
Q
What does the term western rivers mean?
A
Means the Mississippi River, it’s tributaries, south pass, and southwest pass, to the navigational demarcation lines dividing the high seas from harbors, rivers, and other inland waters of the United States, and the Port Allen-Morgan City Alternate Route, and that part of the Atchafalaya River above its junction with the Port Allen-Morgan City Alternate Route including the Old River and the Red River
18
Q
What does the term Great Lakes mean?
A
Means the Great Lakes and their connecting and tributary waters including Calumet River as far as the Thomas J O’Brien Lock and Controlling Works, the Chicago River as far as the east side of the Ashland Avenue Bridge and the Saint Lawrence River as far east as the lower exit of Saint Lambert Lock
19
Q
What does the term secretary mean?
A
Means the secretary for the department in which the CG is operating
20
Q
What does the term inland waters mean?
A
Means the navigable waters of the United States shoreward of the navigational demarcation lines dividing the high seas from harbors, rivers, and other inland waters of the United States and the waters of the Great Lakes in the United States side of the International Boundary
21
Q
What does the term inland rules mean?
A
Means these Inland Navigational Rules and the annex’s thereto, which governs the conduct of vessels and specify the lights, shapes and sound signals that apply on inland waters
22
Q
What does the term International Regulations mean?
A
Means the International Regulations for Preventing Collisions at Sea, 1972 including annexes currently in force for the United States
23
Q
What is Rule 5?
A
Look-out
24
Q
What does Rule 5 say about Look-outs?
A
Every vessel shall at all times maintain a proper look-out by sight and hearing as well as by all available means appropriate in the prevailing circumstances and conditions so as to make a full appraisal of the situation and of the risk of collision
25
What is Rule 6?
Safe Speed
26
What does Rule 6 say about Safe Speed?
Every vessel shall at all times proceed at a safe speed so that she can take proper and effective action to avoid collision and be stopped within a distance appropriate to the prevailing circumstances and conditions
27
What factors are taken into account when determining safe speed?
- the state of visibility
- the traffic density
- the maneuverability of the vessel with special reference to stopping distance and turning ability in the prevailing conditions
- at night, the presence of back ground lighting
- the state of wind, sea and current and the proximity of navigational hazards
- the draft in relation to the available depth of water
28
If the vessel has an operational radar, what other things do you then take into consideration for safe speed?
- the characteristics, efficiency and limitations of the radar equipment
- any constraints imposed by the radar scale being used
- the effect on radar detection of the sea state, weather and other sources of interference
- the possibility of small vessels, ice or other floating objects that may not be detected by radar
- the number, location and movement of vessels detected
- the more exact assessment of the visibility that may be possible when radar is used to determine the range of vessels or other objects in the vicinity
29
What is Rule 7
Risk of Collision
30
What does Rule 7 state about the Risk of Collision?
Every vessel shall use all available means appropriate to the prevailing circumstances and conditions to determine if risk of collision exists. If there is any doubt such risk shall be deemed to exist
31
What shall you use the radar for when determining risk of collision?
Proper use shall be made of radar equipment if fitted and operational, including long range scanning to obtain early warning of risk of collision and radar plotting or equivalent systematic observation of detected objects
32
In determining if risk of collision exist what considerations shall be taken into account?
- such risk shall be deemed to exist if the compass bearing of an approaching vessel does not appreciably change
- such risk may sometimes exist even when an appreciable bearing change is evident, particularly when approaching a very large vessel or a tow or when approaching a vessel at close range
33
What is Rule 8?
Action to Avoid Collision
34
What does Rule 8 say about Action to Avoid Collision?
Any action taken to avoid collision shall be taken IAW the rules and shall if the circumstances of the case admit, be positive, made in ample time and with due regard to the observance of good seamanship
35
With your action to avoid collision, your alteration of course and/or speed shall be what?
If the circumstances of the case admit, be large enough to be readily apparent to another vessel observing visually or by radar; a succession of small alterations of course and/or speed should be avoided
36
When dealing with Rule 8, if there is sufficient sea room, what else can you do?
Alteration of course alone may be the most effective action to avoid a close quarters situation provided that it is made in good time, is substantial and does not result in another close quarters situation. Action shall be such as to result in passing at a safe distance. The effectiveness of the action shall be carefully checked until the other vessel is finally past and clear
37
True or False
If necessary to avoid collision or allow more time to assess the situation, a vessel shall slacken her speed or take all way off by stopping or reversing her means of propulsion
True
38
For a vessel which by any of these rules, is required to not impede the passage or safe passage of another vessel shall do what?
When required by the circumstances of the case, take early action to allow sufficient sea room for the safe passage of the other vessel
39
What is Rule 9?
Narrow Channels
40
A vessel proceeding along the course of a narrow channel or fairway shall do what?
Keep as near to the outer limit of the channel or fairway which lies on her starboard side as is safe and practicable
41
What size or type of vessel shall not impede the passage of a vessel which can safely navigate only within a narrow channel or fairway?
A vessel of less than 20 meters in length, a sailing vessel or a vessel engaged in fishing
42
INLAND
What size vessel is shall carry on board and maintain for ready reference a copy of the NAVRULS?
The operator of each self propelled vessel 12 meters or more in length
43
INLAND
A power driven vessel operating in narrow channels or fairways on the Great Lakes, Western Rivers or waters specified by the Secretary and proceeding down bound shall do what?
Down bound with the following current shall have the right of way over an up bound vessel, shall propose the manner and place of passage and shall initiate the maneuvering signals as appropriate. The vessel proceeding up bound against the current shall hold as necessary to permit safe passing
44
True or False
A vessel shall not cross a narrow channel or fairway if such crossing impedes the passage of a vessel which can safely navigate only within such channel or fairway
True
45
INLAND or INTERNATIONAL
What sound signal shall be used if the vessel proceeding in a narrow channel or fairway is in doubt to the intentions of the vessel crossing vessel
The vessel in doubt shall immediately indicate such doubt by giving at least 5 short and rapid blasts on the whistle. Such signal may be supplemented by a light signal of at least 5 short and rapid flashes
46
INTERNATIONAL
In a narrow channel or fairway when overtaking can take place only if the vessel to be overtaken has to take action to permit safe passage, what shall the vessel intending to overtake shall do what?
The vessel intending to overtake shall indicate her intention by sounding the appropriate signal prescribed
2 prolong 1 short - I intend to overtake you on your starboard side
2 prolong 2 short - I intend to overtake you on your port side
47
INLAND
In a narrow channel or fairway when overtaking, the power driven vessel intending to overtake another power driven vessel shall indicate her intentions by sounding what sound signal?
The vessel intending to overtake shall indicate her intentions by sounding the appropriate signal
1 short blast - I intend to overtake you on your starboard side
2 short blasts - I intend to overtake you on your port side
48
INTERNATIONAL
If the vessel in the narrow channel or fairway agrees to the manner of passage shall sound what signal?
The vessel to be overtaken when acting IAW the rules, shall indicate her agreement by the following signal on her whistle
1 prolong, 1 short, 1 prolong, 1 short
49
INLAND
If the vessel in the narrow channel or fairway agrees to the manner of passage shall sound what signal
The power driven vessel about to be overtaken shall if in agreement sound a similar sound signal.
1 short - agree to be overtaken on my starboard side
2 short - agree to be overtaken on my port side
50
INTERNATIONAL
If the vessel to be overtaken in a narrow channel or fairway, is in doubt of the other vessel shall sound what signal?
It the vessel to be overtaken is in doubt shall sound
5 short and rapid blasts on the whistle
51
INLAND
The vessel to be overtaken in a narrow channel or fairway is in doubt of the other vessels intentions, shall sound what sound signal?
If the vessel to be overtaken is in doubt shall sound
5 short and rapid blasts on the whistle
52
A vessel nearing a bend or a area of a narrow channel or fairway where other vessels may be obscured by an intervening obstruction shall navigate with particular alertness and caution and shall sound what appropriate signal?
The vessel shall sound the bend signal
1 prolong blast
53
True of False
Any vessel can anchor in a narrow channel
False
Any vessel shall if the circumstances of the case admit, avoid anchoring in a narrow channel
54
What is Rule 10?
Traffic Separation Schemes
55
A vessel using a traffic separation scheme shall do what?
- proceed in the appropriate traffic lane in the general direction of traffic
- so far as practicable keep clear of a traffic separation line or separation zone
- normally join or leave a traffic lane at the termination of the lane, but when joining or leaving from either side shall do so at as small an angle to the general direction of traffic as practicable
56
What shall a vessel do if they want to cross a separation scheme?
A vessel shall, so far as practicable, avoid crossing traffic lanes but if obliged to do so shall cross on a heading as nearly as practicable at right angles to the general direction of traffic flow
57
If a vessel can safely use the appropriate traffic lane within the adjacent traffic separation scheme shall not use what?
Shall not use the inshore traffic zone
58
What vessels can use the inshore traffic zone?
Vessels less than 20 meters in length, sailing vessels and vessels engaged in fishing
59
A vessel other than a crossing vessel or a vessel joining or leaving a lane shall not normally enter a separation zone or cross a separation line, except when?
- in case of emergency to avoid immediate danger
| - to engage in fishing within the separation zone
60
True or False
A vessel can anchor in a traffic separation scheme
False
A vessel shall so far as practicable avoid anchoring in a traffic separation scheme or in areas near its termination
61
True or false
A vessel engaged in fishing shall not impede the passage of any vessel following the traffic separation scheme
True
62
What vessels shall not impede the safe passage of a power driven vessel following a traffic lane?
A vessel less than 20 meters in length or a sailing vessel
63
Is a vessel which is restricted in her ability to maneuver when engaged in an operation for the maintenance of safety of navigation in a traffic separation scheme exempt from complying with the rules?
Yes, to the extent necessary to carry out the operation
64
Is a vessel which is restricted in her ability to maneuver when engaged in an operation for the laying, servicing or picking up of a submarine cable, within the traffic separation scheme exempt from this rule?
Yes, to the extent necessary to carry out the operation
65
What is Rule 12?
Sailing Vessels
66
When each sailing vessel has the wind on a different side, which vessel shall keep out of the way of the other?
The vessel which has the wind on the port side shall keep out of the way of the other
67
When both sail boats have the wind on the same side, which vessel shall keep out of the way of the other vessel?
The vessel to which is to windward shall keep out of the way of the vessel which is to leeward
68
If a sailing vessel has the wind on the port side and sees a vessel to windward and can not determine with certainty which side the other sailing vessel has the wind, shall do what?
If uncertain as to which side the other sailing vessel has their wind, the vessel shall keep out of the way of the other
69
For the purposes of these rules, the windward side shall be deemed, what?
Shall be deemed the opposite side to that which the mainsail is carried, or, in the case of a square rigged vessel, the opposite side to that on which the largest fire and aft sail is carried
70
What is Rule 13?
Overtaking
71
A vessel which is overtaking another vessel shall do what?
Shall keep out of the way of the vessel being overtaken
72
When is a vessel deemed to be overtaking?
Shall be deemed to be overtaking when coming up with another vessel from a direction more than 22.5 degrees abaft her beam, that is, in such a position with reference to the vessel she is overtaking, that at night she would be able to see only the stern light of that vessel but neither of her sidelights
73
What should you do if there is any doubt as to whether or not you are overtaking another vessel?
You shall assume that is the case and act accordingly
74
What is something that you want to make sure of as you overtake another vessel?
You want to make sure that any subsequent alteration of the bearing between the two vessels shall not make the overtaking vessel a crossing vessel within the meaning of the rules or relieve her of the duty of keeping clear of the overtaken vessel until she is finally past and clear
75
What is Rule 14?
Head-on situation
76
What is a head-on situation?
A head-on situation is when you have two power driven vessels that are meeting on reciprocal or nearly reciprocal courses so as to involve risk of collision.
77
What shall you do in a head-on situation?
Each vessel shall alter her course to starboard so that each shall pass on the port side of each other
78
When shall a head-on situation be deemed to exist?
It shall be deemed to exist when a vessel sees the other ahead or nearly ahead and by night she could see the masthead lights of the other in a line or nearly in a line and/or both sidelights and by day she observes the corresponding aspect of the other vessel
79
What should you do if there is any doubt to whether a head-on situation exists?
You shall assume that the situation does exist and act accordingly
80
INLAND
In the Great Lakes, during a head-on situation, a power driven vessel proceeding down bound with the following current shall do what?
The down bound vessel with the following current shall have the right of way over an up bound vessel, shall propose the manner of passage and shall initiate the maneuvering signals as appropriate
81
INLAND
What would be the maneuvering signals be for a down bound power driven vessel in a head-on situation and wants to pass port to port?
The down bound vessel shall sound
1 short blast - I intend to leave you on my port side
82
INLAND
What would the maneuvering signal be for a down bound power driven vessel in a head- on situation be?
The down bound vessel shall sound
2 short blasts - I intend to leave you on my starboard side
83
INLAND
If the up-bound vessel is in agreement to the maneuvering signal sounded, what shall they do?
If in agreement to either the one or two blast signal of the other vessel, they shall sound the same whistle signal and take steps necessary to effect a safe passing. If however, from any cause, the vessel doubts the safety of the proposed maneuver, she shall sound the danger signal
84
INLAND
What does it mean if you hear 3 short blasts?
It means the other vessel is operating in stern propulsion
85
When it comes to maneuvering signals, what is the difference between INTERNATIONAL and INLAND?
INTERNATIONAL signals are I AM
INLAND signals are I INTEND
86
What is Rule 15?
Crossing situation
87
When is a vessel deemed to be in a crossing situation?
When two power driven vessels are crossing so as to involve risk of collision, the vessel which has the other to her own starboard side shall keep out of the way and shall, if the circumstances of the case admit, avoid crossing ahead or the other vessel
88
INLAND
In the Great Lakes or Western Rivers, a power driven vessel crossing a river shall do what?
Shall keep out of the way of a power driven vessel ascending or descending the river
89
What is Rule 16?
Action of the Give way vessel
90
What are the actions of the give way vessel?
Every vessel which is directed to keep out of the way of another vessel shall, do far as possible, take early and substantial action to keep well clear
91
What is Rule 17?
Action by stand on vessel
92
What is Rule 17 also called?
Shall-May-shall
93
When can the stand on vessel take action to avoid collision?
Shall take action to avoid collision by her maneuver alone when it becomes apparent to her that the vessel required to keep out of the way is not taking appropriate action in compliance with these rules
94
What does Shall-May-Shall, mean?
The stand on vessel:
- Shall maintain her course and speed
- May take action to avoid collision
- Shall taken such action as will to best aid to avoid collision
95
What is one thing you don’t want to do in a crossing situation?
A power driven vessel which takes action in a crossing situation to avoid collision with another power driven vessel shall if the circumstances of the case admit, not alter course to port for a vessel on her own port side
96
What is Rule 18?
Responsibilities between vessels
97
A power driven vessel underway shall keep out of the way of what vessels?
- a vessel not under command
- a vessel restricted in her ability to maneuver
- a vessel constrained by draft (international only)
- a vessel engaged in fishing
- a sailing vessel
98
A sailing vessel underway shall keep out of the way of what vessels?
- a vessel not under command
- a vessel restricted in her ability to maneuver
- a vessel constrained by draft (international only)
- a vessel engaged in fishing
99
A fishing vessel underway shall keep out of the way of what vessels?
A vessel engaged in fishing when underway shall, so far as possible keep out of the way of:
- a vessel not under command
- a vessel restricted in her ability to maneuver
- a vessel constrained by draft (international only)
100
What is the day shape or the lights that will be shown for a vessel constrained by draft?
A vessel constrained by draft will exhibit a day shape of a cylinder and the lights will be 3 all around red lights in a vertical line
101
A seaplane on the water shall, in general, keep clear of what vessels?
A seaplane on the water shall keep well clear of all vessels and avoid impeding their navigation
102
A WIG craft shall, when taking off, landing and in flight near the surface, keep clear of what vessels?
Shall keep clear of all vessels and avoid impeding their navigation
103
When a WIG craft is operating on the water, it shall follow the rules of what type of vessel?
Shall comply with the rules of a power driven vessel
104
What is Rule 19?
Conduct of vessels in restricted visibility
105
Conduct of vessels in restricted visibility applies to what vessels?
It applies to all vessels not in sight of one another when navigating in or near an are of restricted visibility
106
What shall every vessel do while operating in restricted visibility?
Every vessel shall proceed at a safe speed adapted to the prevailing circumstances and conditions of restricted visibility. A power driven vessel shall have her engines ready for immediate maneuver
107
INLAND
Every vessel shall have due regard to the prevailing circumstances and conditions of restricted visibility when complying with what rules?
Rules 4-10
- application
- lookout
- safe speed
- risk of collision
- action to avoid collision
- narrow channels
- traffic separation schemes
108
INTERNATIONAL
Every vessel shall have due regard to the prevailing circumstances and conditions of restricted visibility when complying with the rules of section 1. What rules are in section 1?
Section 1 has rules 4-10
- application
- lookouts
- safe speed
- risk of collision
- action to avoid collision
- narrow channels
- traffic separation schemes
109
A vessel which detects by radar alone the presence of another vessel shall determine if a close quarters situation is developing and/or risk of collision exists, if so shall do what?
If so, she shall take avoiding action in ample time, provided that when such action consists of an alteration of course, so far as possible the following should be avoided:
- an alteration of course to port for a vessel forward of the beam, other than a vessel being overtaken
- an alteration of course towards a vessel abeam or shaft the beam
110
Restricted visibility
Except where it has been determined that risk of collision does not exist, every vessel which hears apparently forward of her beam a fog signal of a vessel forward of her beam, shall do what?
Shall reduce her speed to the minimum at which she can be kept on course, she shall if necessary take all her way off and in any event navigate with extreme caution until the danger of collision is over
111
When shall lights be complied with?
Shall be complied with from sunset to sunrise and from sunrise to sunset in restricted visibility and may be exhibited in all other circumstances when it is deemed necessary
112
The rule concerning shapes shall be complied with when?
Shall be complied with by day
113
INLAND
True os False
A vessels navigation lights and shapes may be lowered if necessary to pass under a bridge
Yes
114
Masthead light
A white light, showing an unbroken light over an arc of the horizon of 225 degrees and so fixed as to show the light from right ahead to 22.5 degrees abaft the beam on either side
115
Sidelights
Green light starboard side and red on the port side. Each side showing an unbroken light over an arc of the horizon of 112.5 and so fixed as to show the light from ahead to 22.5 degrees abaft the beam on its respective side
116
What size vessel can have the sidelights combined as one lantern?
A vessel less than 20 meters in length
117
Stern light
A white light showing an unbroken light over an arc of the horizon of 135 degrees and so fixed as to show the light 67.5 degrees from right aft on each side of the vessel
118
Towing light
A yellow light showing an unbroken light arc of the horizon of 135 degrees and so fixed as to show the light 67.5 degrees from right aft on each side of the vessel
119
All round light
A light showing an unbroken light over an arc of the horizon of 360 degrees
120
Flashing light
A light flashing at regular intervals at a frequency of 120 flashes or more per minute
121
INLAND
On a vessel less than 12 meters in length, the sidelights when combined in one lantern shall be placed where?
Shall be placed as nearly as practicable to the fire and aft centerline of the vessel
122
INLAND
Special flashing
A yellow light flashing at regular intervals at a frequency of 50 to 70 flashes per minute and shall be placed as far forward and as nearly as practicable on the fore and aft centerline of the tow and showing an unbroken light over an arc of the horizon of not less than 180 degrees nor more than 225 degrees and so fixed as to show the light from right ahead to abeam and no more than 22.5 degrees a daft the beam on either side of the vessel
123
INTERNATIONAL
What is the visibility of lights for a vessel 50 meters or more in length?
- masthead light 6nm
- a side light 3nm
- a stern light 3nm
- a towing light 3nm
- a red, green or yellow all round light 3nm
124
INTERNATIONAL
What is the visibility of lights for a vessel of 12 meters or more in length but less than 50 meters in length?
- a masthead light 5nm except for a vessel that is less than 20 meters then it’s 3nm
- a sidelight 2nm
- a stern light 2nm
- a towing light 2nm
- a white, red, green or yellow all round light 2nm
125
INTERNATIONAL
What is the visibility of lights for a vessel less than 12 meters in length?
- a masthead light 2nm
- a sidelight 1nm
- a stern light 2nm
- a towing light 2 no
- a white, red, green or yellow all round light 2nm
126
INLAND or INTERNATIONAL
What is the visibility of lights for a inconspicuously, partly submerged vessels or objects being towed?
- a white all round light 3nm
127
INLAND
What is the visibility of lights for a vessel of 50 meters or more in length?
- a masthead light 6nm
- a sidelight 3nm
- a stern light 3nm
- a tow light 3nm
- a white, red, green or yellow all round light 3nm
- a special flashing light 2nm
128
INLAND
What is the visibility of lights for a vessel 12 meters or more in length but less than 50 meters?
- a masthead light of 5nm except if the vessel is less than 20 meters 3nm
- a sidelight 2nm
- a stern light 2nm
- a towing light 2nm
- a white, red, green or yellow all round light 2nm
- a special flashing light 2nm
129
INLAND
What is the visibility of lights for a vessel less than 12 meters in length?
- a masthead light 2nm
- a side light 1nm
- a stern light 2nm
- a towing light 2nm
- a white, red, green or yellow all around light 2nm
- a special flashing light 2nm
130
INLAND or INTERNATIONAL
What is the light configuration of a power driven vessel 50 meters or greater in length?
- a masthead light forward
- a second masthead light abaft and higher than the forward one
- sidelights
- a stern light
131
INLAND or INTERNATIONAL
What is the light configuration for a power driven vessel less than 50 meters in length?
- a masthead light
- sidelights
- a stern light
132
INLAND or INTERNATIONAL
What is the light configuration for an air cushion vessel, when operating in non displacement mode?
- masthead light
- sidelights
- sternlight
- an all round flashing yellow light
133
INLAND or INTERNATIONAL
What is the light configuration for an air cushion vessel when operating in displacement mode?
- a masthead light
- sidelights
- a stern light
134
INLAND or INTERNATIONAL
What is the light configuration for a WIG craft, only when taking off, landing and in flight near the surface of the water?
- a masthead light
- sidelights
- a stern light
- a high intensity all round flashing red light
135
INLAND or INTERNATIONAL
What is the light configuration for a power driven vessel, less than 12 meters in length?
In lieu of a masthead light and a stern light the vessel may have:
- combined sidelights into one lantern
- an all round white light
136
INTERNATIONAL
What is the light configuration for a power driven vessel less than 7 meters whose maximum speed does not exceed 7 knots?
In lieu of a stern light and a masthead light the vessel may display:
- an all round white light
- and shall if practicable, also exhibit sidelights
137
INLAND
A power driven vessel greater than 50 meters on the Great Lakes may carry what light configuration?
In lieu of a second masthead light and a stern light may have:
- a masthead light forward
- sidelights
- an all round white light shall be carried in the position of the second masthead light
138
INLAND or INTERNATIONAL
What is the light configuration for a power driven vessel less than 50 meters in length towing astern and the length of tow exceeds 200 meters?
- 3 masthead lights in a vertical line
- sidelights
- a stern light
- a yellow towing light in a vertical line about the stern light, and
- when the tow exceeds 200 meters, a diamond shape where it can best be seen
139
INLAND or INTERNATIONAL
What is the light characteristic of a power driven vessel less than 50 meters in length towing astern and the length of tow doesn’t exceed 200 meters?
- 2 masthead lights in a vertical line
- sidelights
- a stern light
- and a towing light in a vertical line above the stern light
140
INLAND or INTERNATIONAL
What is the light configuration of a power driven vessel pushing ahead and part of a composite unit, over all length is greater than 50 meters?
- forward masthead light
- aft masthead light higher than the one up forward
- sidelights
- a stern light
141
INLAND or INTERNATIONAL
What is the light configuration of a power driven vessel part of a composite unit, overall length is less than 50 meters?
- masthead light
- sidelights
- a stern light
142
INTERNATIONAL
What is the light configuration of a power driven vessel when pushing ahead or towing along side, not part of a composite unit and the vessels length is less than 50 meters in length?
- 2 masthead lights in a vertical line
- sidelights
- a stern light
143
INLAND or INTERNATIONAL
What is the light configuration for a power driven vessel less than 50 meters in length towing astern , length of tow is 200 meters or less?
If the masthead lights are exhibited up forward for towing:
- 2 white masthead lights in a vertical line forward
- sidelights
- an aft masthead light
- a tow light
- a sternlight
If the masthead lights for towing are exhibited back aft for towing:
- a white masthead light forward
- sidelights
- 2 white aft masthead lights in a vertical line
- a towing light
- a stern light
144
INLAND
What is the light configuration for a power driven vessel less than 50 meters in length pushing ahead or along side but not part of a composite unit?
- 2 masthead lights
- sidelights
- 2 tow lights
145
INLAND or INTERNATIONAL
What are the lights and shapes for a vessel or object being towed, length of tow exceeds 200 meters?
- sidelights
- a stern light
- a diamond shape where it can best been seen
146
INLAND or INTERNATIONAL
What are the lights and shapes for a vessel or object being towed, length of tow is less than 200 meters?
- sidelights
| - a stern light
147
INTERNATIONAL
What are the lights for a vessel being towed alongside or pushed ahead and not part of a composite unit?
- a vessel being pushed ahead shall exhibit sidelights up forward
- a vessel being towed alongside shall exhibit sidelights up forward and a stern light
148
True of False
INTERNATIONAL
Any number of vessels being towed alongside or pushed ahead in a group shall be lighted as one vessel
True
149
INLAND
Any number of vessels being towed along side or pushed in a group shall be lights as one vessel, except when?
When vessels are towed alongside on both sides of the towing vessel, a sternlight shall be exhibited on the stern of the outboard vessel on each side of the towing vessel, a single set of sidelights as far forward and as far outboard as practicable, and a single special flashing light
150
INLAND
What are the lights for a vessel being pushed ahead and not part of a composite unit?
- at the forward end sidelights
| - and a special flashing light
151
INLAND
What are the lights for a vessel being towed alongside?
- sidelights up forward
- a special flashing light
- stern light
152
INLAND or INTERNATIONAL
What lights shall be displayed from a inconspicuous partially submerged object if it’s less than 25 meters in breadth?
- 1 all round white light at or near the forward end and 1 all around white light at or near the aft end
153
INTERNATIONAL
What lights shall be displayed on a partially submerged dracones?
Shall exhibit an all around white light near the aft end
154
INTERNATIONAL
What lights shall be displayed from a inconspicuously partly submerged vessel or object and is 25 meters or more in breadth?
Besides 1 all round white light at or near the forward end and 1 at or near the aft end, 2 additional all round white lights at or near the extremities of its breadth
155
INTERNATIONAL
What lights shall be exhibited on an inconspicuously partly submerged vessel or object if it’s length exceeds 100 meters?
Shall have 1 all round white light near the forward end, 1 all round white light near the aft end, 2 additional all round white lights at or near the extremities of its breadth and additional all round white lights between the above listed lights so that the distance between the lights shall not exceed 100 meters
156
INTERNATIONAL
What is the day shape on an inconspicuously partly submerged vessel or object being towed and the length of tow doesn’t exceed 200 meters?
What if it does exceed 200 meters?
- less than 200 meters: a diamond shape at or near the after most extremity of the last vessel or object being towed
- more than 200 meters: a diamond shape at or near the after most extremity of the last vessel and an additional diamond shape where it can best be seen and located as far forward as is practicable
157
INLAND or INTERNATIONAL
Where from any sufficient cause it is impracticable for a vessel or object being towed to exhibit the lights prescribed, what shall be done?
All possible measures shall be taken to light the vessel or object towed or at least to indicate the presence of such vessel or object
158
INLAND or INTERNATIONAL
Where from any sufficient cause it is impracticable for a vessel not normally engaged in towing operations to display the lights prescribed in these rules, such vessel shall not be required to exhibit those lights when engaged in towing another vessel in distress or otherwise in need of assistance. All possible measures shall be taken to do what?
Shall be taken to indicate the nature of the relationship between the towing vessel and the vessel being towed by illuminating the tow line
159
INLAND
What is the lights displayed by a inconspicuously partly submerged vessel or object, or combination of such vessels or objects being towed, if it’s less than 25 meters in breadth?
1 all round white light at or near each end and a diamond shape at or near the aft most extremity of the last vessel or object being towed
160
INLAND
What lights shall be displayed from an inconspicuously partly submerged vessel or object, or combination of such vessels or objects being towed, if the total breadth is greater than 25 meters?
4 all round white lights to Mark it’s length and breadth and a diamond shape at or near the aft most extremity of the last vessel or object being towed
161
INLAND
What are the lights displayed on a inconspicuously partly submerged vessel or object, or combination of such vessels or objects being towed, if the overall length exceeds 100 meters?
Depending on the total breadth either 2 or 4 all round white lights, additional all round white lights between the other lights prescribed so that the distance between the lights shall not exceed 100 meters , provided that any vessels or objects being towed alongside each other shall be lighted as one vessel or object with a diamond shape at or near the aft most extremity of the last vessel or object being towed
162
INLAND
What else can the towing vessel of a inconspicuously partly submerged vessel or objects do to draw attention to their tow?
The towing vessel may direct a searchlight in the direction of the tow to indicate its presence to an approaching vessel
163
INLAND
What are the lights required for a vessel pushing ahead not part of a composite unit or towing alongside above the Huey P Long Bridge and less than 50 meters in length?
Shall exhibit:
- sidelights
- 2 tow lights in a vertical line
164
INLAND or INTERNATIONAL
What are the lights required for a sailing vessel less than 20 meters in length?
- sidelights
- stern light
The lights in this rule may be combined into one lantern carried at or near the top of the mast where it can best be seen
165
INLAND or INTERNATIONAL
What are the lights required for a sailing vessel with a overall length that is greater than 20 meters?
- sidelights
| - stern light
166
INLAND or INTERNATIONAL
A sailing vessel underway in addition to the requirement of side lights and a stern light may also exhibit what?
It may also exhibit at or near the top of the mast where they can best be seen:
- two all round lights in a vertical line, the upper being red and the lower being green. These lights shall not be shown in conjunction with the combination lantern
167
INLAND or INTERNATIONAL
What is the required lights to be shown by a sailing vessel of less than 7 meters in length?
If practicable shall exhibit side lights and a stern light or the combination lantern. But if it does not, she shall exhibit an all round white light or have ready at hand an electric torch or lighten lantern showing a white light which shall be exhibited in sufficient time to prevent collision
168
INLAND or INTERNATIONAL
What lights shall a vessel under oars have?
If she does not exhibit sidelights and a steam light she shall exhibit an all round white light or have ready at hand an electric torch or lighted lantern showing a white light which shall be exhibited in sufficient time to prevent collision
169
INLAND or INTERNATIONAL
What day shape shall a sailing vessel proceeding under sail when also being propelled by machinery shall exhibit forward where it can best be seen, what?
Shall display a conical shape, apex downwards
170
INLAND or INTERNATIONAL
What lights shall be displayed by a vessel underway engaged in trawling and is less than 50 meters in length?
What day shape shall be displayed by the vessel?
- 2 all round lights in a vertical line, the upper being green and the lower being white
- side lights
- a stern light
During the day will display a day shape consisting of two cones with their apexes together in a vertical line one above the other
171
INLAND or INTERNATIONAL
What lights shall be displayed by a vessel underway engaged in trawling and the length is greater than 50 meters?
What day shape shall be displayed by the vessel?
- 2 all round lights in a vertical line with the upper being green and the lower being white
- a masthead light aft and higher than the all round green light
- sidelights
- a stern light
The day shape displayed would consists of two cones with their apexes together in a vertical line one above the other
172
INLAND or INTERNATIONAL
What lights shall be displayed by a power driven vessel engaged in trawling not underway and is less than 50 meters in length?
What’s the day shape shall be displayed by the vessel?
- 2 all round lights in a vertical line with the upper being green and the lower being white
The day shape displayed consists of two cones with their apexes together in a vertical line one above the other
173
INLAND or INTERNATIONAL
What lights shall be displayed by a vessel engaged in trawling not underway and is greater that 50 meters in length?
What day shape shall be displayed by this vessel?
- 2 all round lights in a vertical line with the upper being green and the lower being white
- a masthead light abaft and higher than the all round green light
The day shape displayed shall consists of two cones with their apexes together in a vertical line one above the other
174
INLAND or INTERNATIONAL
What is a vessel engaged in trawling doing?
By which is meant the dragging through the water of a dredge net or other apparatus used as a fishing appliance
175
INLAND or INTERNATIONAL
A power driven vessel engaged in fishing, other than trawling, is underway making way and is less than 50 meters in length?
What day shape shall be displayed by this vessel?
If it has gear extending more than 150 meters horizontally from the vessel, what else is displayed?
- 2 all round lights in a vertical line with the upper being red and the lower being white
- side lights
- stern light
The day shape consisting of two cones with apexes together in a vertical line one above the other
A all round white light or a cone apex upwards in the direction of the gear
176
INLAND or INTERNATIONAL
A power driven vessel engaged in fishing, other than trawling underway not making way and is less than 50 meters in length shall exhibit what lights?
What day shape shall it display?
If it has gear extended more than 150 meters horizontally from the vessel, what else is displayed?
-2 all round lights in a vertical line with the upper being red and the lower being white
The day shape displayed by this vessel is two cones with apexes together in a vertical line with one above the other
When gear is extended more than 150 meters horizontally from the vessel, an all round white light or a cone apex upwards in the direction of the gear
177
INLAND
Besides the lights required by a vessel engaged in trawling. For vessels fishing in close proximity shall exhibit:
When shooting their nets?
When hauling their nets?
When the net has come fast upon an obstruction?
- 2 white lights in a vertical line
- 2 lights in a vertical line, one white light over one red light
- 2 red lights in a vertical line
178
INLAND
When two vessels are engaged in prairie trawling, besides the required lights, what else may they exhibit?
A search light directed forward and in the direction of the other vessel of the pair
2 red lights in a vertical line if the nets come fast on an obstruction
179
INLAND
Signals for purse seiners.
Besides the lights required by the rules. What other lights may they display?
When engaged in fishing with purse seine gear may exhibit two yellow lights in a vertical line. Lights shall flash alternately every second and with equal light and occupation duration. May only be shown when the vessel is hampered by its fishing gear
180
INLAND or INTERNATIONAL
What lights shall a vessel that’s underway not making way and is not under command exhibit?
- 2 all round red lights in a vertical line
| - 2 balls in a vertical line for day shapes
181
INLAND or INTERNATIONAL
What lights shall be exhibited from a power driven vessel underway making way and is not under command?
- 2 all round red lights in a vertical line
- 2 balls in a vertical line for the day shape
- sidelights
- stern light
182
INLAND
True or False
A sailing vessel of less than 12 meters is required to exhibit the day shape for propelled by machinery, a conical shape, apex downward
False
A vessel less than 12 meters is not required to display the day shape
183
INLAND or INTERNATIONAL
A vessel restricted in her ability to maneuver, except a vessel engaged in mine clearance operations, underway and making way and is less than 50 meters in length shall exhibit what lights and shapes?
- 3 all round lights in a vertical line, the highest and lowest lights are red and the middle light is white.
- 3 shapes in a vertical line, the highest and lowest being balls and the middle being a diamond
- masthead light
- side lights
- stern light
184
INLAND or INTERNATIONAL
A vessel restricted in her ability to maneuver, except a vessel engaged in mine clearance operations, underway making way and greater than 50 meters in length shall display what lights and shapes?
- 3 all round lights in a vertical line with the upper most and the lowest being red and the middle light being white
- 3 shapes in a vertical line with the upper most and lowest being balls and the middle being a diamond
- forward and aft masthead lights
- sidelights
- stern light
185
INLAND or INTERNATIONAL
A vessel restricted in her ability to maneuver, except a vessel engaged in mine clearance operations underway and not making way and is less than 50 meters in length?
What day shape does it also exhibit?
- 3 all round lights in a vertical line with the upper and lower lights red and the middle light white
- 3 shapes in a vertical line with the highest and lowest being a ball and the middle one being a diamond
186
INLAND or INTERNATIONAL
A vessel restricted in her ability to maneuver, except a vessel engaged in mine clearance operations underway not making way and greater than 50 meters in length shall exhibit what lights or day shapes?
- 3 all round lights in a vertical line with the highest and lowest being red and the middle light being white
- 3 shapes in a vertical line with the highest and lowest being a ball and the middle being a diamond
187
INLAND or INTERNATIONAL
In addition to the lights prescribed for a vessel restricted in her ability to maneuver and less than 50 meters in length. When at anchor shall display what lights or shapes?
In addition to the prescribed lights and shapes,
An all round white anchor light
A black ball
188
INLAND or INTERNATIONAL
In addition to the lights prescribed for a vessel restricted in her ability to maneuver and greater than 50 meters. When at anchor shall display what lights or shapes?
Including the required lights and shapes,
2 all round white anchor light, one for and one aft
A black ball
189
INLAND or INTERNATIONAL
Besides the lights and shapes required for a vessel engaged in a towing operation astern and length of tow is less than 200 meters and length of vessel is less than 50 meters. When the tow operation severely restricts the towing vessel and her ability to deviate from their course shall also exhibit what lights and shapes?
Shall also exhibit
- 3 all round lights in a vertical line with the highest and lowest being red and the middle being white
- 3 shapes in a vertical line with the highest and lowest being a ball and the middle being a diamond
190
INLAND or INTERNATIONAL
A vessel engaged in dredging or underwater operations, when restricted in her ability to maneuver, in addition to her normal underway lights shall exhibit what?
- 2 all round red lights or 2 balls in a vertical line to indicate the side on which the obstruction exists
- 2 all round green lights or 2 diamonds in a vertical line to indicate the side on which another vessel may pass
191
INLAND
Dredge pipelines that are floating or supported on trestles shall display what lights?
One row of yellow lights
- flashing 50-70 flashes per minute
- visible all round the horizon
- visible for at least 2nm
- not less than 1 and not more than 3.5 meters off the water
- equally spaced
- not more than 10 meters apart
- 2 red lights in a vertical line at each end of the pipeline to allow vessels to pass
192
INLAND or INTERNATIONAL
A vessel engaged in diving operations shall exhibit what lights or flags?
- 3 all round lights in a vertical line with the highest and lowest being red and the middle being white
- a rigid replica of the international code flag A
193
INLAND or INTERNATIONAL
Besides the lights required for the vessel of that size, a vessel engaged in mine clearance operations shall exhibit what lights and shapes?
3 all round green lights or 3 balls. One of these lights or shapes shall be exhibited near the foremast head and one at each end of the fore yard.
194
The lights and shapes for a mine clearance vessel indicate what?
Tat it is dangerous for another vessel to approach within 1000 meters of a mine clearance vessel
195
INLAND or INTERNATIONAL
What size vessel is not required to exhibit the lights or shapes for a mine clearance vessel?
A vessel of less than 12 meters in length
196
INTERNATIONAL
A vessel constrained by draft shall also exhibit what lights and shape?
- 3 all round red lights in a vertical line
| - or a cylinder shape
197
INLAND or INTERNATIONAL
A pilot vessel when not engaged on pilotage duty shall exhibit what lights or shapes?
The lights or shapes prescribed for a similar vessel of her length
198
INLAND or INTERNATIONAL
A vessel engaged in pilotage duty shall exhibit what lights?
What if the vessel is at anchor?
- 2 all round lights in a vertical line with the upper light being white and the lower light being red
- when underway in addition side lights and a stern light
- when at anchor the anchor light or lights, and a ball shape
199
INLAND or INTERNATIONAL
A vessel at anchor shall exhibit what lights and shapes?
- in the fore part an all round white light or one ball
- at or near the stern an all round white light
- a vessel of less than 50 meters in length may exhibit an all round white light
- a vessel at anchor may and a vessel of 100 meters or more in length shall also use the available working or equivalent lights to illuminate her decks
200
INLAND or INTERNATIONAL
A vessel aground shall exhibit the lights required for a vessel aground (anchor lights) but also shall exhibit what lights or shapes?
- 2 all round red lights in a vertical line
| - 3 balls in a vertical line
201
INLAND or INTERNATIONAL
True or False
A vessel of less than 7 meters in length when at anchor, not in or near a narrow channel, fairway or anchorage, or where other vessel normally navigate, shall not be required to exhibit the lights or shapes for a vessel an anchor
True
202
INLAND or INTERNATIONAL
True or False
A vessel of less than 12 meters in length, when aground shall not be required to exhibit the lights or shapes required
True
203
INLAND
True or False
A vessel of less than 20 meters in length, when at anchor in a special anchorage designated by the CG, is not required to exhibit lights or shapes
True
204
INLAND
Which barges are exempt from the lights requirement?
- a barge or group of barges moored in a slip or slough used primarily for mooring purposes
- a barge or group of barges moored behind a pierhead
- a barge less than 20 meters in length when moored in a special anchorage
205
INLAND
What lights shall be displayed from a barge that projects from a group formation shall be lighted, how?
Shall be lighted on its outboard corners
206
INLAND
What are the light requirements on a single barge moored in water where other vessels normally navigate on both sides of the barge, lights shall be displayed where?
Shall be placed to Mark the corner extremities of the barge
207
INLAND
What are the light requirements on barges moored in a group formation, moored in water where other vessels normally navigate on both sides of the group?
Lights shall be placed to Mark the corner extremities of the group
208
What is a short blast?
About 1 second in duration
209
What’s a prolong blast?
A blast with a 4-6 second duration
210
INLAND or INTERNATIONAL
| A vessel greater than 12 meters in length shall be provided what sound signaling device?
A whistle
211
INLAND or INTERNATIONAL
A vessel of 20 meters or more in length shall be provided what sound signaling devices?
A bell and a whistle
212
INLAND or INTERNATIONAL
A vessel greater than 100 meters in length shall be provided what sound signaling devices?
A bell, whistle and gong
213
INLAND or INTERNATIONAL
A vessel less than 12 meters is not obliged to carry the sound signal appliances , but if she does not, she shall be provided what?
Shall be provided with some other means of making an efficient sound signal
214
INTERNATIONAL
When vessels are in sight of one another, a power driven vessel underway, when maneuvering shall indicate that maneuver by the following whistle signal: 1 short blast, what does that mean?
I am altering my course to starboard
215
INTERNATIONAL
When vessels are in sight of one another, a power driven vessel underway, when maneuvering as authorized shall indicate that maneuver by the following signal: 2 short blasts, what does that signal mean?
I am altering my course to port
216
INTERNATIONAL
When vessels are in sight of one another, a power driven vessel underway when maneuvering as authorized, shall indicate that maneuver by the following signal: 3short blasts, what does that mean?
I am operating in stern propulsion
217
INTERNATIONAL
What does 1 light flash mean?
I am altering my course to starboard
218
INTERNATIONAL
What does 2 light flashes mean?
I am altering my course to port
219
INTERNATIONAL
What does 3 light flashes mean?
I am operating in stern propulsion
220
INTERNATIONAL
What are the requirements for a light signal?
- duration of each flash shall be about 1 second with the interval between the flashes shall be about 1 second
- the interval between successive signals shall be not less than 10 seconds
- lights used for this signal shall be an all round white light visible minimum range is 5nm
221
INTERNATIONAL
When is sight of another in a narrow channel or fairway, a vessel intending to overtake another on the other vessels starboard side shall do what sound signal?
2 prolong blasts followed by 1 short blast - I intend to overtake you on your starboard side
222
INTERNATIONAL
When in sight of another in a narrow channel or fairway, a vessel intending to overtake the other vessel on their post side shall signal what sound signal?
2 prolong blasts followed by 2 short blasts - I intent to overtake you on your port side
223
INTERNATIONAL
A vessel about to be overtaken in a narrow channel or fairway, if in agreement to the passing signals, shall sound what signal?
1 prolong, 1 short, 1 prolong, 1 short
224
INTERNATIONAL
When a vessel about to be overtaken in a narrow channel or fairway is not in agreement to the passing arrangements shall sound what sound signal?
5 short rapid blasts
225
INLAND
When power driven vessels are in sight of one another and meeting or crossing at a distance within half a mile of each other, 1 short blast means?
I intend to leave u on my port side
226
INLAND
When a power driven vessel are in sight of one another and meeting or crossing at a distance within half a mile of each other, 2 short blasts mean?
I intend to leave u on my starboard side
227
INLAND
When a power driven vessels are in sight of one another and meeting or crossing at a distance within half a mile of each other, 3 short blasts mean?
I am operating in stern propulsion
228
INLAND
Upon hearing the 1 or 2 blasts signal of the other vessel, if in agreement to the signal, the vessel samhall sound what signal?
What if your not in agreement?
If in agreement the vessel shall sound the same whistle signal and take the steps necessary to effect a safe passing
Shall sound the danger signal
229
INLAND
When using light flashes for maneuvering signals, what’s 1 flash?
I intend to leave you on my port side
230
INLAND
When using light flashes for maneuvering signals, what’s 2 flashes?
I intent to leave you on my starboard side
231
INLAND
When using light signals for maneuvering signals, what 3 flashes mean?
I am operating in stern propulsion
232
INLAND
What are the light characteristics of a light used for signal flashes?
- each flash shall be about 1 second
| - light shall be an all round white or yellow light, visible at 2nm
233
INLAND
When vessels are in sight of one another and a power driven vessel intending to overtake another power driven vessel shall indicate her intentions with 1 short blast, what does that mean?
What does the other vessel sound if in agreement?
I intent to overtake u on your starboard side
If in agreement, the same sound signal
234
INLAND
When in sight of one another, a vessel intending to overtake another power driven vessel shall indicate its intention with 2 short blasts, what does that mean?
What shall be sounded by the other vessel if not in agreement?
I intent to overtake you on your port side
The danger signal
235
INLAND or INTERNATIONAL
A vessel nearing a bend or an area of a channel or fairway where other vessels may be obscured by the intervening obstruction shall sound what sound signal?
How shall this signal be answered if there is a vessel on the other side of the bend?
1 prolong blasts
Answer with the same signal
236
INLAND
When a vessel is leaving a dock or a dearth shall sound what signal?
1 prolong blast
237
INLAND or INTERNATIONAL
If a vessel if fitted with whistles that are at a distance of more than 100 meters, what is used during maneuvering and warning signals?
Only one of the whistles
238
INLAND
A vessel that reaches agreement with another vessel in a head on, crossing, or overtaking situation by using the radiotelephone, are they required whistle signals?
The vessels are not obliged to sound the whistle signals but may do so. If agreement is not reached, then whistle signals shall be exchanged in a timely manner and shall prevail
239
INLAND or INTERNATIONAL
Restricted visibility
A power driven vessel making way through the water shall sound at intervals of not more than 2 minutes, what?
1 prolong blast
240
INLAND or INTERNATIONAL
Restricted visibility
A power driven vessel underway but not making way through the water shall sound at intervals of no more than 2 minutes, what?
2 prolong blasts with about 2 seconds between them
241
INLAND or INTERNATIONAL
Restricted visibility
A vessel not under command, a vessel restricted in her ability to maneuver underway or at anchor, a vessel constrained by draft, a sailing vessel, a vessel engaged in fishing underway or at anchor and a vessel engaged in towing or pushing another vessel shall sound what sound signal?
Shall sound at intervals of not more than 2 minutes three blasts in succession namely 1 prolong blast followed by 2 short blasts
242
INLAND or INTERNATIONAL
Restricted visibility
A vessel towed or if more than one vessel is towed the last vessel of the tow if manned shall sound what sound signal?
Shall at intervals of not more than 2 minutes sound 4 blasts in succession namely 1 prolong blast followed by 3 short blasts
This vessel shall be made immediately after the signal made by the towing vessel
243
INLAND or INTERNATIONAL
Restricted visibility
When a pushing vessel and a vessel being pushed head are rigidly connected in a composite unit, they shall be regarded as a power driven vessel and sound what sound signal when underway?
What if underway but not making way?
At intervals of not more than 2 minutes, 1 prolong blast
At intervals of not more than 2 minutes, 2 prolong blasts
244
INLAND or INTERNATIONAL
Vessels at anchor
A vessel at anchor shall at intervals of not more than 1 minute, sound what?
In addition they may sound what sound signal?
The rapid ringing of the bell for about 5 seconds
Sound 3 blasts in succession, namely 1 short, 1 prolong and 1 short
245
INLAND or INTERNATIONAL
Vessels at anchor
In a vessel of 100 meters or more in length shall sound what?
In addition may sound what sound signal?
The rapid ringing of the bell in the fore part of the vessel and immediately after the gong shall be sounded rapidly for about 5 seconds
In addition sound 3 blasts in succession, namely 1 short, 1 prolong, 1 short
246
INLAND or INTERNATIONAL
Vessel aground
A vessel aground shall signal what signal?
3 separate distinct strikes of the bell, rapid ringing of the bell for about 5 seconds followed by, 3 separate distinct strikes of the bell
247
INLAND or INTERNATIONAL
A vessel less than 12 meters or more but less than 20 meters in length shall not be obliged to give the bell signals, if she does not, shall do what at intervals not to exceed 2 minutes?
Shall make some other efficient sound signal
248
INLAND or INTERNATIONAL
A vessel less than 12 meters in length shall not be obliged to give the bell signal, but if she does not, shall do what at intervals not to exceed 2 minutes?
Shall make some other efficient sound signal
249
INLAND or INTERNATIONAL
What is the sound signal for a pilot vessel when engaged on pilotage duty?
4 short blasts
250
INLAND
What vessels are not required to sound signals when anchored in a special anchorage area designated by the CG?
- a vessel of less than 20 meters in length
| - a barge, canal boat, scow, or nondescript craft
251
INLAND or INTERNATIONAL
True or False
If necessary to attract the attention of another vessel, any vessel may make light or sound signals that cannot be mistaken for any signal authorized elsewhere, may also direct the beam of her search light in the direction of the danger
True
252
What are the distress signals
- red star flares
- continuous sounding fog signal
- flames on a vessel
- gun fired at 1 minute intervals
- black ball and black square on a orange background
- SOS
- Mayday
- parachute red flare
- due marker any color
- November over Charlie flags
- square flag and ball
- wave arms
- iNMARSAT
Digital Selective Calling
- position indicating radio beacon
Smoke
253
Besides the other distress signals, which one is only INLAND?
A high intensity white light 50-70 flashes per minute
