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QID - 26539

Which statement about stopping a vessel is TRUE?

A vessel is dead in the water when the back wash from astern operation reaches the bow. 
A lightly laden vessel requires as much stopping distance as a fully laden vessel when the current is from astern.
When a vessel is dead in the water any speed displayed by Doppler log reflects the current.
A tunnel bow thruster can be used in an emergency to reduce the stopping distance.
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