"Coast Guard has rushed four ships to the spot besides two dorniers.The Russian built twin engine AN-32 aircraft had undergone an upgrade in Ukraine. RELATED STORIESmissing over Bay of Bengal +BACKGROUND X Missing AN-32 plane: What we know so far 1. The Navy, the Coast Guard and the IAF have launched a joint search and rescue operation. Its estimated time of arrival in Port Blair was 11.30 am.The Navy, the Coast Guard and the IAF have launched a joint search and rescue operation. Submarine diverted to Bay of Bengal Navy has diverted a submarine to Bay of Bengal to detect underwater transmissions of the missing AN-32 aircraft.

Source: Times of India July 22, 2016 13:56 UTC