A.can use radar information from one object to fix the position
B.should never use radar bearings
C.should only use radar bearings when the range exceeds the distance to the horizon
D.must use information from targets forward of the beam
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最新試題
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.
Aboard a survival craft，ether can be used to（）.
Of the following，（）is not likely found in The Mariners Handbook.
After the boat is at the top of the davit heads，the davit arms begin moving up the tracks and are stopped by the（）.
An inflatable liferaft is hand-launched by（）.
After being launched from a vessel，totally enclosed survival craft which have been afloat over a long period require（）.
Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.
After launching，an inflatable raft should be kept dry inside by（）.
An orange flag showing a black circle and square is a（）.
The program of graphical predictions of height against time for a period of up to seven consecutive days is contained in（）.