ภาพการติดตามค้นหาเครื่องบิน MH370 ของ Malaysia Airlines

A Malaysian police official displays a photograph of 19-year-old Iranian Pouri Nourmohammadi, one of the two men who boarded missing Malaysia Airlines MH370 flight using stolen European passports.

A Malaysian police woman holds up a picture of Pouri Nourmohammadi, 19, an Iranian who boarded the now missing Malaysia Airlines jet MH370 with a stolen passport.

This combination of images released by Interpol and displayed by Malaysian police in Sepang, Malaysia, on March 11, 2014, shows Pouri Nourmohammadi, 19, (left) and Delavar Seyedmohammaderza, 29, who allegedly boarded the now-missing Malaysia Airlines jet

Military officer Duong Van Lanh works onboard a Vietnamese airforce AN-26 during a mission to find the missing Malaysia Airlines flight MH370 off Tho Chu islands March 11, 2014.

A Chinese relative of passengers aboard a missing Malaysia Airlines plane looks out as she waiting for the latest news inside a hotel room for relatives or friends of passengers aboard the missing airplane in Beijing, China, March 11, 2014.

Family members comfort Chrisman Siregar, left, and his wife Herlina Panjaitan, the parents of Firman Siregar, one of the Indonesian citizens registered on the manifest of the Malaysia Airlines jetliner flight MH370 that went missing, Medan, North Sumatra, Indonesia, March 9, 2014.

Malaysia's Department of Civil Aviation's Director General Azharuddin Abdul Rahman briefs reporters at a press conference on search and recovery efforts within existing and new areas for the missing Malaysia Airlines plane,Sepang, Malaysia, March 10, 2014.

A family member of passengers aboard a missing Malaysia Airlines plane wipes her tears at a hotel in Putrajaya, Malaysia, March 10, 2014. 

Chinese relatives of passengers aboard a missing Malaysia Airlines plane wait for the latest news inside a hotel room, Beijing, China, March 10, 2014. 

CEO of Malaysia Airlines Ignatius Ong, center, gestures as he prepares to speak to the media near a hotel room for relatives or friends of passengers aboard a missing Malaysia Airlines airplane, Beijing, China, March 10, 2014. 

People hold a banner and candles during a candlelight vigil for passengers aboard a missing Malaysia Airlines plane in Kuala Lumpur, Malaysia, March 10, 2014. 

Malaysia's Department of Civil Aviation director general Azharuddin Abdul Rahman, second from left, speaks during a press conference at a hotel in Sepang, Malaysia, March 10, 2014. 

Italian Luigi Maraldi, left, whose stolen passport was used by a passenger boarding a missing Malaysian airliner, shows his passport as he reports himself to Thai police Lt. Gen. Panya Mamen, right, at Phuket police station in Phuket province, southern Thailand, March 9, 2014.

A U.S. Navy helicopter lands aboard Destroyer USS Pinckney during a crew swap before returning to a search and rescue mission for the missing Malaysian airlines flight MH370 in the Gulf of Thailand, March 9, 2014.