He said investigators were still trying to establish with certainty that military radar records of a blip moving west across the Malay Peninsula into the Strait of Malacca showed Flight MH370.
"I will be the most happiest person if we can actually confirm that it is the MH370, then we can move all (search) assets from the South China Sea to the Strait of Malacca," he told reporters. Until then, he said, the international search effort would continue expanding east and west from the plane's last confirmed location.
On Thursday, a US official said the plane remained airborne after losing contact with air traffic control, sending a signal to establish contact with a satellite.
Boeing offers a satellite service that can receive a stream of data on how an aircraft is functioning in flight and relay the information to the plane's home base. Malaysia Airlines didn't subscribe to that service, but the plane still had the capability to connect with the satellite and was automatically sending signals, or pings, said the US official, who spoke on condition of anonymity because he wasn't authorized to discuss the situation by name.
Scores of aircraft and ships from 12 countries are involved in the search, which reaches into the eastern stretches of the South China Sea and on the western side of the Malay Peninsula, northwest into the Andaman Sea and the Indian Ocean.
India said it was using heat sensors on flights over hundreds of Andaman Sea islands Friday and would expand the search for the missing jet farther west into the Bay of Bengal, more than 1,600 kilometers (about 1,000 miles) to the west of the plane's last known position.
A team of five US officials with air traffic control and radar expertise — three from the US National Transportation Safety Board and two from the Federal Aviation Administration — has been in Kuala Lumpur since Monday to assist with the investigation.
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