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Question 1

One nautical mile is equal to

Answer 1

1 minute of latitude as shown on a Mercator chart at your approximate position

Question 2

A large-scale nautical chart shows

Answer 2

A relatively small area

Question 3

You wish to correct your book of Charts for Local Vessels – Hong Kong Waters, published by Marine Department. Where would you find the latest information?

Answer 3

Hong Kong Hydrographic Office Notices to Mariners.

Question 4

It is night. You are in a buoyed channel and proceeding against the Direction of Buoyage. You sight right ahead a red light flashing (3) every 5 seconds. You wish to stay in the buoyed channel. Which side of the light do you pass?

Answer 4

Leave it to starboard

Question 5

Distance on a Mercator projection chart is measured from

Answer 5

The latitude scales up and down the sides of the chart

Question 6

You are taking a fix with your hand-bearing compass and record a landmark at a bearing of 155 degrees. Local Variation is 3 degrees West. What True bearing do you plot on your chart?

Answer 6

Compas to true
CADET Compass ADd to East to get True
Ours is west so we have to subtract
155-3

Question 7

You calculate your required heading to be 272 degrees T. Deviation on this approximate heading is shown on your Deviation Card to be 4 degrees East. Local Variation is 2 degrees West. What heading do you ask the helmsman to steer?

Answer 7

True to compass
Reverse CADET Compass ADd to East to get True
Deviation east, compass least 
Deviation west, compass best 
272+2-4 = 270