A.the ship has received the DSC distress call on a HF frequency
B.the coast station concerned has not acknowledged it within 5 minutes
C.the ship will take command of search and rescue in 5 minutes
D.A and B
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A.INMARSAT
B.IMO
C.MSC
D.CES
A.3
B.2
C.1
D.4
A.IMO Headquarters in London
B.Inmarsat Headquarters building in London
C.Western European Maritime Organization
D.International Maritime Safety Committee
A.location and capacity of the facilities located on board ships
B.Position and type of a sincre sintion
C.Capacity and location of shore based communication facilities
D.Position and capacity of mobile communication stations
A.55.5W
B.64.5E
C.15.5W
D.178E
最新試題
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
（）will form the basis for distress alerting and safety calling.
Please use（）for（）.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.
Every lifeboat which is fitted with a fixed two-way vhf radiotelephone apparatus with（）which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
Radio communication（）for many years and helps to save tens of thousands of lives.
International Navtex service means the coordinated broadcast and automatic reception on（）khz of maritime safety information by narrow-band direct-printing telegraphy using English language.
COSPAS-SARSAT is intended to be used for（）.
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.