Visual Signalling. Test 3 – Online Maritime Tests

Whilst proceeding along a narrow channel the vessel astern wishes to overtake you on your starboard side and gives the appropriate sound signal. Assuming that you are in agreement with this, what sound signal should you make?

Three prolonged blasts followed by one short blast
Three short blasts followed by one prolonged blast
One prolonged, one short, one prolonged and one short blast
Three short blasts

What type of vessel is this?

A pilot vessel engaged in piloting duties
A vessel engaged in trawling with gear extending more than 150m from the vessel
A vessel engaged in fishing other than trawling, making way, with gear extending more than 150m from the vessel
A vessel engaged in special operations

What type of vessel is this?

Vessel engaged in dredging or underwater operations, indicating that you should pass on the dredgers port side
Vessel engaged in fishing
Vessel engaged in dredging or underwater operations, indicating that you should pass on the dredgers starboard side
Vessel engaged in trawling

Are there any special lights to be exhibited by a vessel towing or pushing another vessel?

No need for light at all.
Lights as per rules regulated by the shape and total length of the towing.
Use a searchlight only to warn off other ships.
As for power-driven vessel under way.

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