A.has left already
B.left already
C.had left already
D.would left already
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A.The master may,at his/her discretion,turn off the AIS if he/she believes that it may compromise the safety or security of the vessel
B.Under no circumstances shall AIS be turned off while underway as this could endanger the vessel and those around her
C.AIS is always required to be operating if the vessel is in or in the vicinity of a VTS area
D.AIS is always required to be operating if the vessel is within 100 nautical miles of the coastline
A.I may enter fairway
B.I might enter fairway
C.INTENTION. I will enter fairway
D.I will probably enter fairway
A.isn't he
B.doesn't he
C.hasn't he
D.didn't he
A.You may enter fairway
B.You should enter fairway
C.ANSWER. It is permitted to enter fairway
D.You could enter fairway
A.captain
B.capstan
C.capital
D.carpenter
A.to be informed
B.informed
C.on informing
D.informing
A.shorten the hawser or increase the tug's speed
B.lengthen the hawser or reduce the tug's speed
C.place your tug in irons
D.make a sharp turn
A.AIS may be used to make passing arrangements via ship-to-ship text messaging thus relieving a vessel operator from sounding whistle signals or making contact via radiotelephone
B.AIS may be used to make passing arrangements via ship-to-ship text messaging but a vessel operator is still required to sound whistle signals unless the arrangement is made via radiotelephone
C.AIS cannot be used to make passing arrangements because the system does not have the ability to communicate from ship-to-ship in this manner
D.AIS cannot be used to make passing arrangements because the use of the ship-to-ship text messaging feature in this way is prohibited
A.length and width of space
B.length of space only
C.width of space only
D.neither length nor width
A.AIS is a global tracking system that relies upon INMARSAT C service to communicate vessel position and other safety related information to similarly equipped vessels,aircraft and shore stations within the area
B.AIS is a short-range 3 cm X-band radar system that automatically sends a vessel's position and other safety related information to similarly equipped vessels,aircraft and shore stations within the area
C.AIS is a short-range VHF-FM system that automatically broadcasts a vessel's position and other safety related information frequently to similarly equipped vessels,aircraft and shore stations within the area
D.AIS is a one-way centrally managed system that requires the local VTS to send commands to instruct each vessel to broadcast position and other safety related information to similarly equipped vessels,aircraft and shore stations within the area
最新試題
Which of the following statements is TRUE regarding automatic identification systems (AIS)? ()
The date and time kept in the radiotelephone log shall commence at().
Shall we()wait at the roadstead till there is a free berth for us?
Electrical wiring on all T-Boats must be().
Sorry to have kept you()for a long time.
When may the automatic identification system (AIS) be switched off? ()
Tell me(),please.
Which of the following statements is TRUE regarding automatic identification systems (AIS) ? ()
DO NOT,REPEAT,NOT OVER-TAKE means that you should().
Routine radio communications should be no more than().