China-developed AC312E helicopter completes plateau tests
chinadaily.com.cn    |     2017-11-23 13:45
 
  
  
  
 
 

 
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| Workers add weights to AC312E, the first light twin-engine civil helicopter developed in China, before its plateau test flight in Lijiang, Southwest China's Yunnan province, Nov 20, 2017. [Photo/VCG] |