sentences:  China Southern Airlines Flight 3456
  
  China Southern Airlines Flight 3456 (CZ3456/CSN3456) was a scheduled domestic passenger flight from Chongqing Jiangbei International Airport to Shenzhen Huangtian Airport (now Shenzhen Bao'an International Airport).On May 8, 1997, the Boeing 737 performing this route crashed during the second attempt to land in a thunderstorm.