Dornier aircraft
A Dornier aircraft of the Indian Navy. [Representational Image]IANS

As a naval submarine joined the search operation for the missing Dornier aircarft along the Tamil Nadu coastline, the Indian Coast Guard is expecting to get information soon.

Submarine INS Sindhudhvaj has begun underwater search in the area where the aircraft is suspected to have fallen. The underwater search operation was launched after receiving transmission of 37.5 Khz from sonar locator beacon of the missing Dornier.

"Submarine INS Sindhudhvaj arrived in the area (coastline in Karikkal-Cuddalore region) late yesterday and commenced underwater search," PTI quoetd a Coast Guard statement as saying, and added, the "outcome of submarine search is expected by late evening".

"In order to provide further fillip to the search, ICGS Vigraha has embarked with a National Institute of Oceanography (NIOT) team and a black box detector. The search probe will be lowered at sea for reception of the signal from the beacon of the aircraft," the statement said.

Meanwhile, a team of four scientists on board a Coast Guard ship is helping to "locate the cockpit voice data recorder of the missing plane," Director of Chennai-based NIOT MA Atmanand said.

Eight ships and aircraft of CG and Navy have already been deployed to search the missing aircraft and three of its crew members, who went missing on 8 June during a routine surveillance sortie.

Meanwhile, the aircraft manufacturer has also been requested to help decipher the reason behind the aircraft's disappearance, a Coast Guard officer told IANS.

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