Features of Navigation Marks & Light

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Features of Navigation Marks

Do you know the features of these Navigation Marks?

Which are the correct features?

1.

Features:

Starboard marks are green and may feature a green flashing light of any rhythm

Starboard marks are conical (or present a triangular shape) or have a pointed top

Exhibits a white occulting isophase light, or a single long flash every 10 seconds

Hover over

to see

the answer!

1st & 2nd

Option

2.

Features:

Exhibits a white occulting isophase light, or a single long flash every 10 seconds

Port marks are red and may feature a red flashing light of any rhythm

Port marks are square or have a flat top

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to see

the answer!

2nd & 3rd

Option

3.

Features:

At night, a single white light shows 1 long flash every 10 seconds

At night, the white light flashes in groups of 2

Isolated danger marks are black with 1 or more red horizontal bands and 2 spheres as the top mark

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to see

the answer!

2nd & 3rd

Option

4.

Features:

Cardinal marks show where the deepest and safest water is by using a compass

At night, each type of cardinal mark has a flashing white light with different groupings of flashes (continuous, or groups of 3, 6 or 9)

Exhibits a white occulting isophase light, or a single long flash every 10 seconds

A cardinal mark may indicate: the deepest water in an area, the safe side on which to pass a danger, a feature in a channel such as a bend, junction or an end of a shoal

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to see

the answer!

1st, 2nd

& 4th Option

5.

Features:

Exhibits a white occulting isophase light, or a single long flash every 10 seconds

Safe water marks have red and white vertical stripes with a single red sphere as the top mark

It has a distinctive sequence of various flashes that does not match any other navigational mark flashes in its vicinity

Hover over

to see

the answer!

1st & 2nd

Option

6.

Features:

When a top mark is carried, it takes the form of a single yellow X

The light is yellow and the rhythm may be any other than those used for the white lights of the cardinal, isolated danger and safe water marks

It has a distinctive sequence of various flashes that does not match any other navigational mark flashes in its vicinity

Hover over

to see

the answer!

1st & 2nd

Option

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Navigation Marks

Features Of Navigation Marks & Lights

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