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
LOT Polish Airlines Flight 5055 involving an Ilyushin Il-62, and to date, it remains the deadliest aviation crash in Polish history. It was determined to have been caused by the disintegration of an engine shaft due to faulty bearings. The aircraft was a 186-seat Ilyushin Il-62M built in the third quarter of 1983, registered SP-LBG and named "Tadeusz Kościuszko", after the Polish military leader and national hero. All of the crew members were Polish. The captain, Zygmunt Pawlaczyk, was 59 years old, with 19,745 flight hours' experience (5,542 on Ilyushin Il-62s), and a captain of the type from 11 May 1978. The first officer, Leopold