A.estimated position
B.dead reckoning position
C.fix
D.None of the above
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A.dead-reckoning position
B.running fix
C.estimated position
D.fix
A.fix
B.dead-reckoning position
C.running fix
D.probable position
A.plane tangent at one point
B.cylinder tangent at one parallel
C.cone tangent at one parallel
D.series of cones tangent at selected parallels
A.when at anchor
B.only when making way
C.at any time when underway
D.only when the identifying lights are not being shown
A.aground
B.at anchor
C.not under command
D.being towed
最新試題
An inflatable liferaft should be manually released from its cradle by（）.
The Coast Radio Stations are found in（）.
Important changes to charts and lights（including temporary ones），radio signals and sailing directions are listed in（）.
Light Lists for coastal waters are（）.
What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to （）.
The daily predictions of the times and heights of high and low water for a selection of Standard Ports are given in（）.
After the boat is at the top of the davit heads，the davit arms begin moving up the tracks and are stopped by the（）.
Of the following，（）is not likely found in The Mariners Handbook.
Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.
Before personnel are lifted from a vessel in a personnel basket，the vessel should be（）.