Data recovered from a home flight simulator owned by the captain of Malaysia Airlines Flight 370 showed that it was used to plot a course to the southern Indian Ocean, where the missing jet is believed to have crashed.

New York Magazine reported last week that an FBI analysis of the device showed Capt. Zaharie Ahmad Shah had conducted a simulated flight to the southern Indian Ocean less than a month before the plane vanished along a similar route.

The captain's simulator showed that "someone had plotted a course to the southern Indian Ocean." Australia's Joint Agency Coordination Center told The Associated Press in an email.

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"We cannot confirm anything. Whatever findings now are not conclusive until we recover the black box which will tell us what actually happened ... if not, everything else is speculative," Malaysia's national police chief Khalid Abu Bakar said.

Several other pieces of the plane have washed up over the past year around the Indian Ocean. However, officials have not been able to find the main underwater wreckage despite an extensive search.

 Crews are expected to complete their sweep of the 46,000 square-mile area by the end of the year. There are no plans to extend the search beyond that.