LOT Polish Airlines Flight 5055 "Good night! Goodbye! Bye, we're dying!"). All 172 passengers and 11 crew died as the aircraft broke apart and crashed. After the crash of the Il-62 operating as LOT Polish Airlines Flight 007, the airline had started replacing its Ilyushin Il-62s with the more modernized Ilyushin Il-62M version. These had newer engines (Soloviev D-30 instead of Kuznetsov NK-8), but both of these turbofan engines shared the same critical point — low pressure turbine and engine shaft design and construction. According to the Polish investigatory commission, the cause of the crash was the disintegration of an engine shaft due to faulty
Malaysian Airline System Flight 653 Malaysian Airline System Flight 653 Malaysian Airline System Flight 653 (MH653) was a scheduled domestic flight from Penang to Kuala Lumpur in Malaysia, operated by Malaysian Airline System (MAS). On the evening of 4 December 1977, the Boeing 737-200 aircraft flying the service crashed at Tanjung Kupang, Johor, Malaysia, while purportedly being diverted by hijackers to Singapore. It was the first fatal air crash for Malaysia Airlines (as the airline is now known), with all 93 passengers and 7 crew killed. The flight was apparently hijacked as soon as it reached cruise altitude. The circumstances in which the hijacking and