i. Panting stresses is an in and out motion of the plating in the bows of a ship and is caused by unequal water pressure as the bow passes through successive waves.
ii. Pounding stresses is exist when ships is pitching. Ship’s bows lift clear of the water and come down heavily. It causes damage to the bottom and girder at the bow.
VSL OF MORE THAN 300GRT SHOULD CARRY SART....SHOULD WORK CONTINOUSLY FOR 8 HRS AND IN STAND BY MODE FOR 96 HRS....SARATH KRISHNAN
vsl of >300 but < 500grt should have one sart , vsl >500 grt 2 sart ...
CLOSE HATCH COVER
CLOSE VENTILATORS/OTHER OPENINGS
1.Raise fire alarm
2.Take head count
4.if cant cntrl head 2 d nerst port of refuge.
When a vessels is heeled (inclined by an external force), the force of buoyancy, acting vertically upwards through the new position of COB, becomes seperated from the force of gravity, acting vertically downwards through the COG, by a horizontal distance called righting lever (GZ)
TWO PROLONG BLAST
SHOUT MAN OVERBOARD
THROUGH LIFE BOUY WITH SMOKE SIGNAL
KEEP A PROPER LOOK OUT
TAKE IMMEDIATE ACTION TO AVOID THE PROPELLER TO RUN OVER THE MAN ON WATER
COMMENCE WILLIOM TURN CIRCLE
ITS THREE PROLONGED BLAST
shout man over board,immediately inform to master,give three long blast,hoist flag o.throw the mob orange life buoy,keep proper look out on him,mark the position,avoid the man getting into propeller,slow down the v/l,take a williamson turn,to rescue him,or launch a rescue boat,and rescue him.
cospas/sarsat 406/121.5 A1 A2 A3 A4.
VHF 156.525(ch.70) A1
1. cospas/sarsat 406/121.5 A1 A2 A3 A4.(universal epirb)
2. VHF 156.525(ch.70) A1
3.immarsat epirb(l band)
VHF EPIRB(ONLY AREA A1), L-BAND EBIRB(phased out only for area A1,A2,A3), COSPAS SARSAT EPIRB(CURRENTLY USED FOR ALL SEA AREAS)