A.pulling a submarine cable
B.engaged in diving operations
C.engaged in underway replenishment
D.transferring explosives
您可能感興趣的試卷
你可能感興趣的試題
A.the estimated cost of damage to the unit
B.an evaluation of who was at fault
C.the amount of ballast on board
D.the name of the owner or agent of the unit
A.Commandant of the Coast Guard
B.Owner of the unit
C.Nearest Coast Guard Marine Safety Office
D.Captain of the nearest port
A.the centerline of a navigable channel
B.the starboard side of a channel
C.a prominent object of navigational interest that has no lateral significance
D.an area of a channel where passing another vessel is permitted
A.heavy rain within six hours
B.a decrease in wind velocity
C.a change in the present weather conditions
D.that fog will soon set in
A.Straight line
B.Arc
C.Parabola
D.Hyperbola
最新試題
An inflatable liferaft is hand-launched by（）.
After the boat is at the top of the davit heads，the davit arms begin moving up the tracks and are stopped by the（）.
What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to （）.
Important changes to charts and lights（including temporary ones），radio signals and sailing directions are listed in（）.
A sweep oar is an oar that is（）.
Before personnel are lifted from a vessel in a personnel basket，the vessel should be（）.
A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating（）.
The international number，location and/or name，geographical co-ordinates，characteristics and intensity，elevation in metres，range in sea miles and description of structure of a light can be found in（）.
After being launched from a vessel，totally enclosed survival craft which have been afloat over a long period require（）.
The Lists of Meteorological Observation Stations can be found in（）.