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6pack > Nav Rules General > Flashcards

Nav Rules General Flashcards

1
Q

When should a vessel have a lookout posted?

A

At all times

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2
Q

Which sailing vessel is the give way vessel when they each have wind on a different side?

A

The one with wind on the port side shall keep out of the way of the other

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3
Q

When both sailing vessels have the wind on the same side which one is the give way vessel?

A

The one to windward shall keep out of the way of the vessel to leeward

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4
Q

When shall a vessel be deemed to be overtaking?

A

When coming up with another vessel from a direction more than 22.5 degrees abaft her beam

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5
Q

A power-driven vessel underway shall keep out of the way of:

A

a vessel not under command, a vessel restricted in her ability to maneuver, a vessel engaged in fishing, a sailing vessel

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6
Q

A sailing vessel underway shall keep out of the way of:

A

a vessel not under command, a vessel restricted in her ability to maneuver, a vessel engaged in fishing

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7
Q

A vessel engaged in fishing when underway shall, so far as possible, keep out of the way of:

A

a vessel not under command, a vessel restricted in her ability to maneuver

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8
Q

What actions should be avoided when making an alteration of course to avoid a collision situation?

A

1) An alteration of course to port for a vessel forward of the beam, other than for a vessel being overtaken
2) An alteration of course toward a vessel abeam or abaft the beam

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9
Q

When the length of a tow exceeds 200m what shape shall be displayed?

A

diamond shape

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10
Q

Vessel proceeding under sail and also propelled by machinery shall show? (less than 12m in length is not required)

A

Conical shape, apex downwards

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11
Q

What shape should a vessel trawling or fishing other than trawling show?

A

two cones with their apexes together

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12
Q

If a fishing vessel has outlying gear extending more than 150m horizontally from the vessel they shall display?

A

An all-round white light or a cone apex upwards in the direction of the gear

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13
Q

A vessel NUC should exhibit?

A

Two all round red lights in a vertical line

Two balls in a vertical line

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14
Q

A vessel restricted in her ability to maneuver, except a vessel engaged in mine clearance operations shall exhibit?

A

Three all-round lights in a vertical line, highest and lowest red and middle white
Three shapes in a vertical line, highest and lowest balls and middle one a diamond

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15
Q

A power driven vessel engaged in a towing op that severally restricts the vessel and her two in the ability to deviate from their course shall show:

A

Three all-round lights in a vertical line, highest and lowest red and middle white
Three shapes in a vertical line, highest and lowest balls and middle one a diamond

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16
Q

A vessel engaged in dredging or underwater operations when restricted in her ability to maneuver shall show:

A

Three all-round lights in a vertical line, highest and lowest red and middle white
Three shapes in a vertical line, highest and lowest balls and middle one a diamond
Two all round red lights or two balls in a vertical line to indicate the side on which the obstruction exists
Two all round green lights or two diamonds in a vertical line to indicate the side on which another vessel may pass
When at anchor–these lights above

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17
Q

Whenever the size of a vessel engaged in diving operations prohibits the ability to show all the lights and shapes, they should show:

A

Three all round lights in a vertical line, highest and lowest red, middle white
A rigid replica of International Code Flag “A” not less than 1 meter in height

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18
Q

A vessel engaged in mine clearance operations shall show:

A

Three all round green lights or three balls

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19
Q

Do NUC vessels show masthead lights?

A

No

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20
Q

A vessel constrained by their draft shows:

A

Three all round red lights in a vertical line or a cylinder

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21
Q

Pilot vessels show:

A

two all round lights in a vertical line, the upper being white and the lower being red

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22
Q

Anchored vessels show what shape?

A

a ball

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23
Q

A vessel at anchor of more than 100m shall show what while at anchor?

A

Two all round white lights one in the fore part and one at or near the stern and they shall use the available working or equivalent lights to illuminate her decks

24
Q

A vessel aground shall show:

A

Two all round red lights in a vertical line

Three balls in a vertical line

25
Q

One short blast means?

A

I’m altering my course to starboard

26
Q

Two short blasts mean?

A

I’m altering my course to port

27
Q

Three short blasts mean?

A

I’m operating astern propulsion

28
Q

One flash means?

A

I’m alerting my course to starboard

29
Q

Two flashes mean?

A

I’m altering my course to port

30
Q

Three flashes mean?

A

I’m operating astern propulsion

31
Q

What is the interval between successive signals?

A

Not less than 10 seconds

32
Q

How long is the duration of each flash?

A

one second

33
Q

How long is the interval between flashes?

A

one second

34
Q

When in sight of one another in a narrow channel or fairway:

Two prolonged blasts followed by one short blast means?

A

I intend to overtake you on your starboard side

35
Q

When in sight of one another in a narrow channel or fairway:

Two prolonged blasts followed by two short blasts means?

A

I intend to overtake you on your port side

36
Q

A vessel about to be overtaken, shall indicate her agreement by the following:

A

one prolonged, one short, one prolonged, one short blast in that order

37
Q

If a vessel is in doubt or fails to understand the intentions or actions of the other vessel or worried about collision shall sound?

A

5 short and rapid blasts

38
Q

What is different between International Rules and Inland Rules as far as maneuvering signals go?

A

International rules are statements that power-driven vessel is going to make a maneuver and the US Inland Rules are signals of intent where the other vessel must signal an agreement to the proposed maneuver

39
Q

A vessel at drift in restricted visibility shall sound?

A

at intervals of not more than two minutes two prolonged blasts with an interval of 2 seconds between them

40
Q

A vessel NUC, RAM, constrained by draft, sailing, fishing or towing in restricted visibility shall sound?

A

at intervals of not more than two minutes three blasts in succession–one prolonged followed by two short blasts

41
Q

A vessel towed in restricted visibility shall sound?

A

immediately after the signal made by the towing vessel sound 4 blasts at intervals of not more than two minutes–one prolonged followed by three short blasts

42
Q

A vessel at anchor in restricted visibility shall sound?

A

At intervals of not more than one minute ring the bell rapidly for 5 seconds, if 100m or greater the bell shall be sounded in the forepart of the vessel for 5 seconds the immediately followed by the gong in the after part of the vessel for 5 seconds

43
Q

A vessel at anchor in restricted visibility shall sound what to give warning of her position and possibility of collision with an approaching vessel?

A

One short, one prolonged and one short blast

44
Q

A vessel aground in restricted visibility shall sound?

A

Three separate and distinct strokes on the bell immediately before and after ringing the bell rapidly for 5 seconds

45
Q

A pilot vessel when engaged on pilotage duty in restricted visibility may sound an identity signal of?

A

four short blasts

46
Q

A special flashing light means?

A

A yellow light flashing at regular intervals at a frequency of 50-70 flashes per minute

47
Q

INLAND, a vessel being pushed ahead not part of a composite unit shall show at the forward end?

A

Sidelights and a special flashing light

48
Q

INLAND, a vessel being towed alongside shall show?

A

Sternlight and at the forward end sidelights and a special flashing light

49
Q

An inconspicuous, partly submerged vessel or object being towed shall exhibit if more than 25m in length?

A

4 all round white lights to mark its length and breadth

50
Q

When are power-drive vessels (inland) required to signal?

A

In sight of one another and meeting or crossing at a distance within half a mile of each other

51
Q

One short blast means (inland)

A

I intend to leave you on my port side

52
Q

Two short blasts mean (inland)

A

I intend to leave you on my starboard side

53
Q

Three short blasts mean

A

I’m operating astern propulsion

54
Q

Upon hearing the one or two blast signal (inland) of the other shall if in agreement sound?

A

The same whistle signal

55
Q

A light used to signal (inland) shall be?

A

one all round white or yellow light visible at a minimum range of 2 miles, synchronized with the whistle

56
Q

When in sight of one another the vessel intending to overtake the other will sound:

A

one short blast to overtake on their starboard side

two short blasts to overtake on their port side

57
Q

A high intensity white flashing light at 50-70 times per minute indicates (inland)?

A

distress

6pack (17 decks)

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