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單項選擇題

A Navtex station in each NAVAREA is usually allowed to have（）for transmission.

A.10 minutes every 4 hours
B.half an hour every other hour
C.irregular period of time
D.5 minutes every two hours

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單項選擇題

The NAVTEX receiver can be mounted on（）.

A.on the bridge
B.in the coast station
C.on the forecastle
D.on starboard side

單項選擇題

The concept of NAVTEX is of a（）system for the broadcast and receipt of MSI.

A.search and rescue
B.safe
C.co-ordinated
D.hydrographic

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