单项选择题

NAVTEX transmissions have a designed range of about（）nautical miles.

A.300
B.400
C.500
D.600

相关考题

The NAVTEX receiver can be mounted on（）.A.on the bridge...

单项选择题The NAVTEX receiver can be mounted on（）.

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

Ships at sea are in urgent need of MSI because they are...

单项选择题Ships at sea are in urgent need of MSI because they are（）various kinds of danger.

A.subject for
B.liable to
C.easy to meet
D.always encounter

In the GMDSS, MSI broadcasts will be made on two dedica...

单项选择题In the GMDSS, MSI broadcasts will be made on two dedicated systems:（）and（）.

A.NBDP/VHF radio
B.Inmarsat safetyNet/NAVTEX
C.Safety service / Inmarsat-A
D.Long range / short range