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Day Skipper Course > Buoyage > Flashcards

Buoyage Flashcards

1
Q

What is another name used for buoys?

A

(Navigation) Marks

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2
Q

What does IALA stand for?

A

International Association of Lighthouse Authorities

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3
Q

What are Cardinal Marks named after?

A

Four main parts of the compass (North, East, South, West)

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4
Q

What are Cardinal Marks used for?

A

Indicates where the safest water will be found

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5
Q

What are the topmarks of Cardinal Marks?

A

Two cones pointing in different directions

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6
Q

What colour are Cardinal Marks?

A

Yellow and Black

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7
Q

How many times do North Cardinal Marks flash?

A

Continuously

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8
Q

How many times do South Cardinal Marks flash?

A

6 + 1 long to make it unique (6 o’clock)

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9
Q

True or False?

All Cardinal Marks are lit

A

False

Not all Cardinal Marks are lit

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10
Q

What colour do Lateral Buoys flash?

A

Same colour as the buoy

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11
Q

What shapes are Portside Lateral Marks?

A

Can shaped

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12
Q

What shapes are Starboard Lateral Marks?

A

Cone shaped

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13
Q

In IALA-A what colour is Portside and what colour is Starboard?

A

Portside is red

Starboard is green

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14
Q

In IALA-B what colour is Portside and what colour is Starboard?

A

Portside is green

Starboard is red

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15
Q

Where is IALA-A used?

A

Africa, Australia, Europe, New Zealand, Russia

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16
Q

What are Lateral Marks used for?

A

To mark the edge of shipping channels

17
Q

True or False?

The direction of Buoyage is usually the direction of the rising tide

A

True

18
Q

Where is IALA-B used?

A

Canada, USA, South America, South East Asia, and parts of the Caribbean

19
Q

What colour is the isolated danger mark?

A

Black with at least one red band

20
Q

What topmarks does the isolated danger mark have?

A

Two black balls

21
Q

What colour are special marks?

A

Yellow

22
Q

What does the presence of safe water mark indicate?

A

That you are nearing your destination

23
Q

What are special marks used for?

A

To relay some sort of informatoion

24
Q

Name three limitations of Buoys as Navigation Aids?

A

Buoys could drag anchors and be out of position
Not all Buoys are lit at night
Buoys do get hit and can sink
You may miss one out following a channel and end up cutting a corner
In a scheme with several buoys its easy to lose count and turn early or late
Plus a couple more

25
Q

What are the topmarks on special marks?

A

An X

Day Skipper Course (15 decks)

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