Which statement about stopping a vessel is TRUE?()
A:A lightly laden vessel requires as much stopping distance as a fully laden vessel when the current is from astern
B:A vessel is dead in the water when the back wash from astern operation reaches the bow
C:A tunnel bow thruster can be used in an emergency to reduce the stopping distance
D:When a vessel is dead in the water any speed displayed by doppler log reflects the current
出自:海船船员证