A.maintain course and speed
B.alter course to give a wide clearance
C.report the whale's position to the Canadian Coast Guard
D.All of the above
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A.diving operations
B.dredging
C.fishing
D.mineclearance operations
A.engaged in underwater construction
B.under sail and power
C.a pilot vessel
D.trawling
A.three black shapes in a vertical line; the highest and lowest are balls,and the middle one is a diamond
B.three shapes in a vertical line; the highest and lowest are red balls,and the middle one is a white diamond
C.three black balls in a vertical line
D.two black balls in a vertical line
A.not under command
B.engaged on pilotage duty
C.restricted in her ability to maneuver
D.engaged in fishing
A.forward masthead light
B.after masthead light
C.stern light
D.All of the above
最新試題
A vessel may use any sound or light signals to attract the attention of another vessel as long as().
A vessel is heading magnetic northwest and its magnetic compass indicates a heading of 317°. What action should be taken to remove this error during compass adjustment? ()
A vessel is “engaged in fishing” when().
A vessel engaged in fishing,and at anchor,shall show().
A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights().
A vessel is heading magnetic northwest and its magnetic compass indicates a heading of 312°. What action should be taken to remove this error during compass adjustment? ()
A vessel is to make a voyage between New York and San Juan,Puerto Rico,and return. The crew should be signed on().
()is due,in spite of that the salvage services have been rendered by or to vessel belonged to the same owner.
A vessel not under command making way at night would show().
A vessel is underway with a work stage rigged over the side. A seaman may work on the stage,but only when().