What: China Southern Airlines Airbus A319-100 en route from Daqing to Guangzhou
Where: Hangzhou
When: Jul 25, 2012 4:50 p.m.
Who: 105 passengers
Why: The flight, scheduled from Daqing to Hangzhou to Guangzhou was climbing out of Hangzhou when smoke was reported.
Pilots returned to Hangzhou and made a safe landing.
China Southern Airlines’ official page said “an investigation later found the smoke was in fact a mist produced by faulty airconditioning system” according to CRIEnglish. Another jet was provided for passengers to complete their journey.

Air Arabia flight G9-532 made an emergency landing in Lucknow, India, on March 24th.
United Airlines flight UA-118 had to divert and make an emergency landing in Austin, Texas, on April 11th.
Cathay Dragon flight KA-454 had to return and make an emergency landing in Hong Kong, China, on January 13th.