Conforming to the provisions of International convention on Maritime Search and Rescue, 1979 (SAR convention 1979) to which India is signatory and with the aim of providing / co-ordinating the effective search and rescue operations in a possible event of any marine casualty at sea, the Indian Coast Guard has brought in to operations a supplementary Ship Position Reporting System with effect from 1st February, 2003 called “Indian Search And Rescue system” (INDSAR). This is a supplementary and an advance computerized system designed to contribute to safety of life/timely search and rescue operations at sea. This system is operated and maintained by the Indian Coast Guard through their Maritime Rescue Co-ordination Centre (MRCC) at Mumbai;
- All Indian ships of 100 GRT and above entering into or transiting the Indian Search and Rescue Region (ISRR) shall participate in the INDSAR reporting system. All ships other than Indian Ships of 300 GRT and above entering or transiting through the above region are encouraged to participate in INDSAR reporting system.
- All ships 100 GRT and above irrespective of the flag carrying a nuclear or other inherently dangerous or noxious substances or materials entering into or transiting the Indian Search and Rescue Region (ISRR) waters are encouraged to participate in the INDSAR reporting system for safety.
- All ships of 20 years and above irrespective of the flag are advised to send the relevant report under INDSAR within ISRR.
- The format of the report or reports shall conform to the ship reporting guidelines prescribed in IMO Resolution A.851  and Special Edition of Indian Notices to Mariners No.8.