IAMSAR - International Aeronautical and Maritime and Rescue

Under long standing traditions of sea anf various provisions of international law, ship masters are obliged to assist others in distress at sea whenever they can safely do so. the resposibilities to render assistance to a distressed vessel or aircraft are based on humanitarian considerations and established international practice.
Many states have accepted the obligation to provide aeronautical and maritime SAR (search and rescue) co ordination and services on a 24 hour basis for their territories, territorial seas and where appropriate the high seas. to carry out these responsibilities , all ocean area are divided into Search and Rescue Regions  (SRR ) and national or regional SAR  organisation established.

The SAR Co-ordination system has 3 general levels :-

1. SAR Coordinator (SC )
2. SAR Mission Coordinator (SMC)
3. On scene Coordinators (OSC )

• SC :- Scs have the overall responsibility of establishing and managing the SAR system, establishing RSC & RCC . providing SAR facilities .coordination SAR training and developing SAR policies.
• SMC :- Each SAR operation is carried out under the guidance of an SMC, by the RCC Chief or a designee. for this the SMC should be well trained in all SAR processes and familiar with the applicable SAR plans.
• OSC :- When two or more SAR facilities are working together on the same mission, a person on scene may be needed to co ordinate the activities of the participating facilities. the SMC designates an OSC which may be a participating SAR unit or nearby facility which can handle OSC duties.

One of the basic concepts involves ships being able to alert Maritime Rescue Co ordination Centre (MRCC ) ashore as well as ships in the Vicinity of the distressed vessel.

The GMDSS takes advantage of modern automated technology in both satellite and terrestrial communication to establish contact with MRCC.

In addition each MRCC is equipped with communication links with :-

1. The associated LES ( land Earth Station )
2. CRS ( Coast radio station )
3. COSPAS SARSAT MCC ( Mission Control center )

The shore station nearest to the distress position should acknowledge the alert . other shore stations receiving the alert should acknowledge if the nearest station does not respond.

Master Plan for the GMDSS :-
Information  provided by the governments on shore based facilities for satellites and terrestrial communications services for the GMDSS is included in the master plan for GMDSS in annex of the IMO - GMDSS HANDBOOK.

• status of shore based facilities for the GMDSS
• List of VHF / MF / HF DSC Coast stations for AREA A1 / A2 / A3 /A4
• List of Inmarsat Coast Earth Stations
• List of RCC
• NAVTEX 
• HF NBDP MSI broadcast service
• List of COSPAS SARSAT MCC and LUT
• Satellite EPIRB registration information
• List of 24 hour points of contract for MMSI 

Click on below link for more updated information :-

http://gmdss4mariners.blogspot.it/

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GMDSS

ALRS

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