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IRPCS Flashcards

1
Q

Vessels within sight of one another - sailing vessels

A

Rule 12

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2
Q

Vessels within sight of one another - Overtaking situation

A

Rule 13

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3
Q

Vessels within sight of one another - Power driven vessels head on

A

Rule 14

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4
Q

Vessels within sight of one another - Crossing

A

Rule 15

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5
Q

Vessels within sight of one another - when a vessel is give way, how should alterations be made?

A

Take early and substantial action to keep well clear, positive alteration of course such as it is obvious to the other vessel that action has been taken

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6
Q

Where doubt exists as to the risk of collision, what should the vessel do?

A

Rule 7 - such risk shall be deemed to exist.

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7
Q

How can risk of collision be established by a vessel not in sight of an approaching vessel?

A

Radar, sound signals

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8
Q

How can risk of collision be established by a vessel when in sight of one another?

A

Taking a bearing - closing bearing would mean a risk exists.

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9
Q

What are the lights and shapes for a towing vessel?

A

If the tow is over 200m - diamonds by day, 3 masthead lights, yellow light above stern light, side lights and stern lights on towed vessel.

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10
Q

What are the lights and shapes for sailing vessels?

A

Less than 20m - Tricolour, or bi colour and stern light at deck height.
Greater than 20m - separate side lights and stern light at deck level.
Option extra - red over green.
Day shape when motor sailing - motoring cone
At night when motoring - steaming light and stern light - not masthead tricolour

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11
Q

What are the lights and day shapes for fishing vessels?

A

Day shape is two cones together - like west cardinal
Trawling - by night side lights, green over white all around
Fishing - by night side lights, red over white - all around
Second light to indicate outlaying gear and which direction
always size unknown

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12
Q

What are the lights and shapes for a vessel NUC?

A

Will not display PDV making way lights
Will display side lights and stern light
Day shape is two balls in a column
Night two red lights - red over red, captains dead

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13
Q

What are the day shapes and lights for a vessel that is RAM?

A

Day shape is ball diamond ball
Night light is red/white/red
On side with outlaying gear by day - balls on side of outlaying gear, diamonds on side that is clear to pass
By night, two reds on side with gear, greens on side clear to pass

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14
Q

What are the day shapes and lights for a mine clearing vessel?

A

By day, three balls - two on bottom and one on top
By night - three green lights - same as day shape

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15
Q

What are the day shapes and lights for a diving vessel?

A

By day they display alpha flag - white and blue
By night displays as RMA

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16
Q

What day shapes and lights will a vessel constrained by draft display?

A

By day, display a cylinder
By night, three red lights in a column

17
Q

What day shapes and lights will a pilot vessel display?

A

By day pilot flags - red and white striped
By night white over red

18
Q

What day shapes and lights will a vessel at anchor display?

A

Dy day, single ball
By night, single white light, or if over 50m at anchor, forward light higher than aft light and no side lights

19
Q

What day shapes and lights will a vessel aground display?

A

By day - three balls
By night, NUC and anchor lights
No side lights

20
Q

What sound signal would a vessel with engine running astern sound?

A

three short blasts

21
Q

What sound signals would a vessel altering course to starboard sound?

A

One short blast

22
Q

What sound signal would a vessel altering course to port sound?

A

Two short blasts

23
Q

What signal would a vessel approaching a blind corner sound?

A

One long blast

24
Q

What would 5 short blasts indicate?

A

What are your intentions, you are not taking enough avoiding action

25
Q

What sound signal would a vessel intending to overtake to port sound?

A

Two long, two short

26
Q

What sound signal would a vessel intending to overtake to starboard sound?

A

Two long, one short

27
Q

What is the sound signal for a vessel to sound affirmative?

A

One long, one short, one long, one short

28
Q

What signal would a vessel make if they do not agree to being overtaken?

A

Either silence or 5 short

29
Q

What sound signal would a PDV making way make in restricted vis?

A

One long at intervals not exceeding 2 minutes

30
Q

What sound signal would a PDV underway not making way make in restricted visibility?

A

Two long blasts at intervals not exceeding 2 minutes

31
Q

What sound signals would all other vessels make in restricted visibility?

A

One long and two short at intervals not exceeding 2 minutes

32
Q

What sound signal would a vessel greater than 100m make at anchor in restricted vis?

A

Bell rung at bow for 5 seconds, gong at stern for 5 seconds at intervals not exceeding 1 minute
Aiditional signal is Morse R - short, long, short

33
Q

What signal would avessel less than 100m make at anchor?

A

Bell rung at boy for 5 seconds

34
Q

What sound signal would a vessel between 12 and 20m make?

A

Other effivitent sound signal - Morse R at intervals not exceeding 2 minutes

35
Q

What sound signal would a vessel less than 12 make at anchor?

A

Not required to comply, but if they do, Morse R at intervals not exceeding 2 minutes.

36
Q

What sound signals would a vessel aground, greater than 100m make?

A

3 distinct strokes of a bell, bell rung for 5 seconds, 3 distinct strikes of a bell at the bow, then gong for 5 seconds at the stern

37
Q

What sound signal would a vessel less than 100m make when a ground?

A

3 distinct strokes of a bell, bell rung for 5 seconds, 3 distancet strokes of a bell

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