A.Vessel's Hoisting Flag
B.Very High Safety
C.Vessel's Homing Frequency
D.Very High Frequency
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A.so
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最新試題
I’d like to know something about the cargo condition at the loading port（）detail.
Do you require any further assistance ? My ship is safe now and no assistance is necessary.This VHF communication generally takes place during（）.
I am ready（）tow line.
The generators on your rig have shut down，leaving you without navigation lights. Which emergency signal would you transmit over the VHF radio to alert vessels in the area of your predicament? （）
The weather is often（）in a high-pressure area.
There is a drifting mine（）in position 21 degrees 31 minutes North 124 degrees 20 minutes East.
The control of distress traffic is the responsibility of（）.
What does the abbreviation VHF stand for?（）
What is meant by veering the anchor chain? （）
If you know that the vessel you are about to call on the VHF radio maintains a radio watch on both the working and the calling frequencies，which frequency should you call on? （）