sound signals Flashcards

1
Q

one short

A

I am altering course to starboard

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2
Q

two short

A

I am altering my course to port

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3
Q

three short

A

I am operating stern propulsion

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4
Q

5 short

A

I am unaware of what you are trying to do

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5
Q

two prolonged one short

A

I intend to overtake on your port side

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6
Q

two prolonged two short

A

I intend to overtake on your port side

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7
Q

prolonged, short, prolonged, short

A

I am in agreement with your intent to overtake

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8
Q

one prolonged

A

I am approaching a bend or area where I can’t see
or
a power driven vessel when making way in restricted visibility will sound not exceeding two min

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9
Q

two prolonged

A

a power driven vessel while underway but not making way in restricted visibility will sound not exceeding two min

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10
Q

one prolonged two short

A

other vessels will sound this wile underway, not exceeding two min

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11
Q

one prolonged three short

A

immediately after towing

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12
Q

how long is a prolonged blast

A

around 4-6 seconds

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13
Q

how long is a short blast

A

about 1 second

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14
Q

what do you do for vessel at anchor less than 100m

A

rapid ringing bell for 5 seconds not exceeding one min

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15
Q

what do you do for vessel at anchor more than 100m in restricted visibilty

A

rapid ringing bell in the fore part for 5 seconds followed immediately by rapid ringing of the gong in the aft part for 5 seconds

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16
Q

what should a vessel aground, less than 100m sound in restricted visibility

A

3 distict strikes of the bell folllowed by rapid ringing for 5 seconds followed by 3 distinct strikes

17
Q

what should a vessel aground, more than 100m sound in restricted visibility

A

3 distinct strikes of the bell folllowed by rapid ringing for 5 seconds followed by 3 distinct strikes in the fore followed by rapid ringing in the aft part for 5 seconds