A.Vessel's type
B.Vessel's course
C.Navigational status
D.All of the above
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A.Immediately
B.After one hour
C.Only when another vessel is in sight
D.Only after sunset
A.At anytime as long as it is properly logged
B.At the Master's professional judgment
C.Only when the vessel is at anchor or in port
D.Under no circumstance
A.Out
B.Over
C.Roger
D.Wilco
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.A 100 GT towboat，24 feet in length
B.A 90-foot towboat tied to the pier
C.A 60-foot towboat towing by pushing ahead
D.A 400 GT towboat anchored
最新試題
By regulation，you MUST keep a record of the use of your radiotelephone for at least（）.
When may the automatic identification system (AIS) be switched off? （）
The following（）is a standard phrase.
Shall we（）wait at the roadstead till there is a free berth for us?
Which of the following statements is TRUE regarding automatic identification systems (AIS) ?（）
Which of the following statements is TRUE regarding automatic identification systems (AIS)? （）
Sorry to have kept you（）for a long time.
When should the emergency position-indicating radiobeacon be activated after abandoning a ship?（）
The Vessel Bridge-to-Bridge Radiotelephone Act applies to（）.
Which of the following statements is TRUE regarding automatic identification systems (AIS) ?（）