Every lifeboat which is fitted with a fixed two-way（）radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.

SOLAS ships shall be equipped with（）.

（）by an ice-breaker, it is important to maintain a continuous listening watch on the appropriate VHF channel and to maintain a proper look-out for sound and visual signals.

In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous（）alert.

Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.

The rescue coordination center may（）on stations which interfere with traffic.

Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.

Before GMDSS, if the radio officer on board is serious ill,（）.

The quality of EGC messages is（）affected by the position of the ship, the time of reception and climatic conditions.

We consider（）send a helicopter with medical facilities to the distress area.