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

COSPAS-SARSAT is intended to be used for（）.

By using（）system a ship can send a distress message and know with certainty it will be received.

Radio communication（）for many years and helps to save tens of thousands of lives.

At least two two-way VHF radiotelephone apparatus shall be provided on every cargo ship of（）tons gross tonnage and upwards but less than 500 tons gross tonnage.

Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.

（）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.

All coast radio stations（）DSC installed for VHF and HF.

SOLAS ships shall be equipped with（）.

The advantage of geostationary satellites is（）.