Planes of China Southern Airlines (front L), China Eastern Airlines (center L), Tianjin Airlines (top L) and China Xinhua Airlines (R) are parked at an airport in Hefei, Anhui province in this May 29,... more 
Planes of China Southern Airlines (front L), China Eastern Airlines (center L), Tianjin Airlines (top L) and China Xinhua Airlines (R) are parked at an airport in Hefei, Anhui province in this May 29, 2013 file photo. Chinese airlines, already grappling with half-empty premier cabins due to Beijing's austerity drive, will be tested next in their ability to hedge against currency risks as China looks set to allow greater two-way swings in the yuan. To match story CHINA-AIRLINES/YUAN REUTERS/Stringer/Files (CHINA - Tags: TRANSPORT BUSINESS) less 
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Reuters | Photo By JIANAN YU / REUTERS
Wed, Mar 26, 2014 7:27 PM EDT