The biggest mystery in the modern day aviation, the MH370 flight with 329 onboard disappeared on 8 March, 2014 and hasn't been found till date
Flying Tiger Line Flight 739 operated by US military disappeared on March 16, 1962, with 107 onboard. The plane was never found and all were presumed dead
An Uruguayan Air Force Flight 571 crashed in the Andes mountains on October 13, 1972 and survivors were found 72 days later, resorting to cannibalism for survival
On 22 July 2016, an IAF Antonov An-32 disappeared while flying over the Bay of Bengal. The search ops were called off on 15 September 2016 and all 29 people on board were presumed dead
Indonesia AirAsia Flight 8501 disappeared on 28 December 2014, and search operations were conducted till March 2015. All 162 were presumed dead, while only 116 bodies were found