Navigation Watch. Test 5

When watchkeepers are inadequately rested, it calls for changes to routine watchkeeping periods. Who is responsible for making such changes?

What is the meaning of the light signal being shown?

EMERGENCY - All vessels to stop or divert according to instructions.
A vessel may only proceed when given a specific order.
A vessel may only proceed when given a specific order, except if navigating outside the main channel.
Vessel shall NOT proceed.

If the OOW is in doubt as to the Pilot's actions or intentions, what must he do?

Avoid taking any action
Seek clarification from the Pilot , notify the master and take corrective action
Call the master and wait for him to take action
Ask the Pilot to leave the bridge

When at anchor, what should the OOW do if the vessel appears to be dragging her anchor?

When using a buoy as an aid to navigation, which of the following should always be considered?

If the light is showing its correct characteristic it is in its right position.
The buoy is nearly always well anchored and can be considered to be in its charted position.
The buoy may not be in its charted position.
If no radio navigation warning has been issued concerning the buoy, it can be assumed to be in its correct position.

Which of these factors must be taken into account when deciding the composition of a navigational watch?

The weather conditions, visibility and whether there is daylight or darkness.
All of the other options.
Whether the ship is fitted with automatic steering.
The proximity of navigational hazards, which may make it necessary for the officer in charge to carry out additional navigational duties.

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