Aeroflot Flight 8641 Metal fatigue in the jackscrew of the horizontal stabilizer caused the component to fail while the plane was en route from Leningrad to Kiev , Ukraine on 28 June 1982 . The crew lost control of the plane and at 10:50 crashed just south of the city of Mozyr in Belarus killing all on board . In the aftermath of the tragedy , authorities grounded all Yakovlev Yak-42 jets , and the planes underwent major design changes until they were deemed worthy to fly again in late 1984
Aeroflot Flight 8641
Aeroflot Flight 8641
Loss of control (aeronautics)