Describe the procedures of search and rescue operations

a)      The ways to transmit distress alerts.

• b) The procedures for emergency responding.

c)      The patterns of search and the ways io(a SAR mission.，

There-are>,sfiveraU¥a),J> IbTvassd in diulrouo lu tnuiMntt di5lit3A al»W:s: The vessel in distress may

transmit distress alerts by radio equiprjients(indwiiflg_mdk)teiephon(s PSC，•疒or through INMARSAT B or C, or by EPIRB.

When rciHM'vmg <1 JTsligS»algrt.frem other vessel，

1)      Transmit message of acknowledgement and Mayday relay.

2)      Advise the vessel in distress of the intent of my vessel.

3)      Keep a listening watch on 〇0mK^itaSS^S6»^99mai(^QiE channel 16.

4) Maintain a proper lookout by sight and hearing^as^ell as by all other available means ag>ropriate to

the prevailing circumstance^.

Generally speaking, there are four patterns of seai*chm!ey are: expanding square search, sector search, parallel search and ship/ aircraft co-ordinated search.