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 is operating position.<br>A:a dummy antenna<br>B:a supporting facilities<br>C:a back-up equipment<br>D:an antenna

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 is operating position.
A:a dummy antenna
B:a supporting facilities
C:a back-up equipment
D:an antenna

出自：海船船员证

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