Marine Command

29.09.2019 Ship Operation

SEA AREA AND CARRIAGE REQUIREMENT

SEA AREA AND CARRIGE REQUIREMENT

Global maritime distress and safety system (GMDSS) offer the greatest advancement in maritime safety. Gmdss has adapted some systems being used for routine communication for safety. GMDSS apply to cargo ships of 300 gt and over and ships carrying more than 12 passengers on international voyages.

CARRIAGE REQUIREMENTS

SEA AREA A1

THIS IS THE AREA WITHIN THE RADIOTELEPHONE COVERAGE OF AT LEAST ONE VHF COAST STATION. THIS STATION HAS TO HAVE CONTINUOUS DSC AVAILABILITY. THE LIMIT OF THIS AREA EXTENDS ABOUT 20-50 NM OFFSHORE FROM THE COAST.

SEA AREA A2

THIS IS THE AREA, EXCLUDING SEA AREA A1, WITHIN THE RADIOTELEPHONE COVERAGE OF AT LEAST ONE MF COAST STATION. THIS STATION HAS TO HAVE CONTINUOUS DSC AVAILABILITY. THE LIMIT OF THIS AREA EXTENDS ABOUT 150 NM OFFSHORE FROM THE LIMIT OF SEA AREA A1.

SEA AREA A3

THIS IS THE AREA, EXCLUDING SEA AREA A1 AND A2, WITHIN THE COVERAGE OF AN INMARSAT GEOSTATIONARY SATELLITE WHERE CONTINUOUS ALERTING IS AVAILABLE. THIS AREA IS WITHIN ABOUT 70ºN TO 70ºS.

SEA AREA A4

THIS AREA COVERS THE POLAR-REGIONS WHERE GEOSTATIONARY SATELLITE COVERAGE IS NOT POSSIBLE AND IS OUTSIDE THE SEA AREAS A1, A2 AND A3.

SEA AREA A1,A2,A3,

SPECIFIC CARRIGE REQUIREMENT

EQUIPMENT	A1	A2	A3. INMARSAT SOLUTION	A3 HF SOLUTION	A4
VHF WITH DSC	X	X	X	X	X
DSC WATCH RECEIVER CH 70	X	X	X	X	X
MF TELEPHONY WITH MF DSC		X	X
DSC WATCH RECEIVER 2187.5 KHZ		X	X
INMERSAT SES WITH EGC RECEIVER			X
MF/HF RT WITH DSC AND NBDP				X	X
MF / HF DSC WATCH RECEIVER				X	X
DUPLICATED VHF WITH DSC			X	X	X
DUPLICATED INMARSAT SES			X
DUPLICATED MF/HF RT WITH DSC AND NBDP					X
NAVTEX 518 KHZ RECEIVER	X	X	X	X	X
EGC RECEIVER	X1	X1		X	X
FLOAT FREE SATELLITE EPIRB	X	X	X	X	X
SART	X2	X2	X2	X2	X2
HAND HELD GMDSS W/T	X3	X3	X3	X3	X3
PASSENGER SHIP SINCE 1^ST JULY 1997.
DISTRESS PANEL	X	X	X	X	X
AUTOMATIC UPDATING OF POSITION IN ALL RADIO EQUIPMENT(FROM CARGO SHHIP-01.07.2002)	X	X	X	X	X
TWO WAY RADIO COMMUNICATION	X	X	X	X	X
1.OUTSIDE NAVTEX COVERAGE 2.CARGO SHIP300-500GT-1SET,,CARGO SHIP>500GTAND PASS. SHIP-2SET. 3.CARGO SHIP300-500GT-2SET,,CARGO SHIP>500GTAND PASS. SHIP-3SET.