Aeroflot Flight 101/X-20 ( Reys 101/X-20 Aeroflota) was a scheduled domestic passenger flight from Moscow to Alma-Ata via Omsk, Soviet Union, that crashed in low visibility conditions on 4 January 1965, killing 64 of the 103 people on board. Aircraft The aircraft involved in the accident was an Ilyushin Il-18B registered CCCP-75685 to the Kazakh Civil Aviation Directorate of Aeroflot. The aircraft had sustained 6802 flight hours. Crew Eight crew members were aboard the flight. The cockpit crew consisted of: Captain Konstantin Sergeevich Artamonov Check captain and Head of the Kazakh Civil Aviation Directorate Rishat Nurmukhametovich Azakov Co-pilot Nikolai Aleksandrovich Slamikhin Flight engineer Anatoliy Galiyevich Shakirov Navigator Vladimir Vasiliyevich Pristavka Radio operator Nikolay Nikolayevich Safonov Synopsis The flight was scheduled to depart from Domodedovo airport at 07:30 on January 4, but was delayed by necessary engine repairs. The flight did not depart from Domodedovo until 10:20 and arrived at Omsk airport at 15:52 Moscow time. The flight was supposed to depart from Omsk thereafter for a short flight to Alma-Ata. At the same time, head of the Kazakh aviation division R. Azakov had just returned from investigating a Mil Mi-4 crash and inspected the undercarriage of the Il-18 before it was cleared for the next leg of the journey. The flight's destination was delayed for 2 hours 28 minutes because visibility at Alma-Ata airport was less than , which meant that the airport had to close for safety reasons. At 19:30 Moscow time the flight departed from Omsk en route to Alma-Ata and maintained a cruising altitude of . At 20:15 Moscow time the weather at Alma-Ata was reported to have a visibility of , wind was weak, and atmospheric pressure was 710.5 mmHg. At 20:32, a different Il-18, registered CCCP-75689, landed the runway with a 230° bearing after twice failing to land on the runway at a bearing of 50° and having to execute a go-around. After landing while taxiing at the airport the operations manager asked the Il-18 if it would be safe for another Il-18 to land in the same weather. The pilot responded by categorically denying that any Il-18 could safely land in the current conditions. The controller then to told Flight 20 to proceed to the alternate airport, Sary-Arka Airport; but five minutes later the operations manager reversed the previous instruction and told Flight 20 to start decreasing altitude to and then to to land