The Soviet Armed Forces suppressed evidence sought by the International Civil Aviation Organization (ICAO) investigation, such as the flight recorders, which were released eight years later, after the dissolution of the Soviet Union.
As Forzas Armadas Soviéticas suprimiron as probas buscadas pola investigación da Organización de Aviación Civil Internacional (ICAO), como as caixas negras do avión, que serían liberadas oito anos despois tras a disolución da Unión Soviética.