Ships, aircraft join search for missing plane

Helicopter B-7776 lands on the deck of China's patrol vessel "Haixun 31" at a port in Sanya, south China's island of Hainan Province, March 9, 2014. "Haixun 31", the largest patrol vessel in South China Sea, left here on Sunday afternoon for search and rescue mission for the missing Malaysian Airline flight. [Xinhua]