TIME Flight MH370

Search Narrows for Flight 370

AUSTRALIA-MALAYSIA-CHINA-MALAYSIAAIRLINES-TRANSPORT-ACCIDENT
A handout photo taken on April 7, 2014 and released on April 8 by Australian Defence shows Able Seaman Clearance Diver Michael Arnold being towed by Australian Defence Vessel Ocean Shield's fast response craft as he scans the water for debris from missing Malaysia Airlines Flight MH 370 in the southern Indian Ocean. Leut. Ryan Davis—Australian Defence/AFP/Getty Images

Investigators are racing the clock to find the plane before its black boxes run out of batteries. The official overseeing the search said he is "optimistic"

Signals from a site deep in the Indian Ocean picked up by an Australian naval vessel Tuesday have led investigators to believe they’re closing in on the site of the lost Malaysian Airlines Flight 370.

“I’m now optimistic that we will find the aircraft, or what is left of the aircraft, in the ‘not-too-distant future,’” said Angus Houston, the Australian official overseeing the search. “But we haven’t found it yet, because this is a very challenging business.”

The search area has now been reduced to an area of 22,364 square miles, roughly the size of West Virginia, located more than 1,000 miles northwest of Perth, Australia.

The search for the Boeing 777, which vanished with 239 souls aboard on March 8, has neared a critical stage as time runs out to locate the plane before the battery life expires in its “black boxes,” which send off the signals authorities believe they’ve picked up. Batteries on the black boxes are designed to last roughly 30 days, an expiration date that passed Tuesday. Once authorities have determined to stop using the ping locator that scans for black box signals a drone submarine will be deployed to painstakingly create a sonar map of the search area seabed, something that may be “not far away,” Houston said.

Locating the boxes once the batteries have run out would be extremely difficult, perhaps impossible, according to the Associated Press.

“Hopefully in a matter of days, we will be able to find something on the bottom that might confirm that this is the last resting place of MH370,” Houston said.

[AP]

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