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What are diaphones used for?

Complete the sentences with the correct verb form.

1. Lightvessels (to moor) in deep waters so that the mariners can rely on them in places where the permanent lighthouse is impracticable.

2. Whistle and horn buoys are similar in shape to a bell buoy, but they carry a whistle that  (to activate) by the rise and fall of the buoy on the seaways, or horns that are sounded at regular intervals by mechanical or electrical means.

3. Sound signals provide information on how  (to avoid) danger and navigate safely.

4. Safe Water Mark is often used to indicate the beginning of a marked channel when  (to approach) from seaward.

5. Special marks  (not to play) any major role in facilitating mariners in safe navigation as they only point out areas of certain interests to mariners.

Complete the sentences with the correct verb form.

1. The Navigating Officer (receive) weekly updates to the electronic charts via e-mail.

2. Electronic chart permits (obtain) electronically with minimum data usage.

3. If the radar overlay (not turn on), the vessel will just not be seen on the ECDIS display.

4. Conventional nautical charts (print) on large sheets of paper at a variety of scales.

5. Since centuries navigational paper charts (be) the heart of ship navigation.

Choose the best answer to the question.

 What does Volume 1 of List of Radio Signals describe?

Choose the best answer to the question.

Which of the following words means a fixed artificial navigation mark that can be recognized by its shape, colour, pattern, topmark or light character, or combination of this?

Choose the content of the Mariner’s Handbook, Chapter 7.

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 What does the inside of the front cover of the Nautical Almanac have?

Write the correct preposition.

Electronic Navigational Charts are required to be used if data is available. A vector chart is merely a representation  a database of information. An ENC contains more information  an RNC and has a slightly different look than a paper chart. Different objects  an ENC have attributes;  clicking on a vessel or lighthouse, for example, more information about the object will become available. It is recommended that ships equipped  ECDIS operate using ENCs.

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 What nautical publication is often referred to as Pilots?

Choose the content of the Mariner’s Handbook, Chapter  9.