(AP) -- Malaysia's government says police are examining an elaborate flight simulator that one of the pilots of the missing Malaysian airliner had set up in his home.
Malaysia's Transport Ministry says in a news release Sunday that police have searched the homes of both the pilot and co-pilot the previous day.
The ministry says police also are investigating all crew and passengers, as well as any engineers who may have had contact with the aircraft before takeoff.
Meanwhile, authorities say the number of countries involved in the search for the missing jetliner has increased to 25.
The acting transport minister says 11 more countries joined the search after it was determined that the missing plane may have gone as far north as Central Asia, flying over several countries.
He also said authorities were hoping for more helpful satellite data.
The plane with 239 people aboard disappeared March 8 on a to Beijing.
KDFW FOX 4
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