A.satellite communications
B.navigational information
C.weather information
D.position reporting service
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A.will be coming to periscope depth
B.will be coming to the surface
C.is on the bottom in distress
D.is in distress and will try to surface
A.pulling a submarine cable
B.engaged in diving operations
C.engaged in underway replenishment
D.transferring explosives
A.identity
B.time of origin
C.reply
D.procedure code
A.reply
B.text
C.time
D.answer
A.poor
B.bad
C.fair
D.good
最新試題
Which information must automatic identification systems (AIS) automatically provide to appropriately equipped shore stations，vessels and aircraft? （）
The date and time kept in the radiotelephone log shall commence at（）.
That ship anchored too close（）my vessel.
The Vessel Bridge-to-Bridge Radiotelephone Act applies to（）.
Sorry to have kept you（）for a long time.
The unit of duration of a dash in Morse Code is（）.
DO NOT，REPEAT，NOT OVER-TAKE means that you should（）.
The following（）is a standard phrase.
By regulation，you MUST keep a record of the use of your radiotelephone for at least（）.
The range of a SSB transmission is MOST affected by（）.