Aeroflot Flight 5463
Template:Use dmy dates Template:Infobox aircraft occurrence Aeroflot Flight 5463 was a Soviet domestic passenger flight from Chelyabinsk to Almaty which crashed on 30 August 1983 while approaching Almaty. The aircraft collided with the western slope of Dolan Mountain at an altitude of Template:Convert. As a result of the accident, all ninety people on board were killed.<ref name="airdis">Template:Cite web</ref>
Accident
Having received the information about the aircraft's location, air traffic control (ATC) gave an erroneous instruction to turn. The crew also mistakenly chose a heading of 199 degrees instead of 140. ATC subsequently gave the proper heading, but instructed the crew to descend to Template:Convert, whereas the minimum safe altitude for the surrounding terrain was Template:Convert.<ref name="airdis"/> Knowing that the aircraft was on collision course with mountainous terrain and having the right to ignore the ATC in this situation, according to the Soviet flight regulations, the crew chose to make a turn instead, continuing their descent to Template:Convert.<ref name="airdis"/> Having informed ATC of their situation, the crew received a ground proximity warning. Instead of making an urgent climb, the crew delayed any attempt to climb until 1–2 seconds before impact.<ref name="airdis"/>
The aircraft crashed into Dolan Mountain, at an altitude of Template:Convert, Template:Convert from Almaty airport, disintegrating and catching fire.<ref>Template:Cite web</ref> At the time of the accident there was cumulo-nimbus cloud cover at an altitude of Template:Convert with cloud tops of Template:Convert and a visibility of Template:Convert.<ref name="airdis"/>
Investigation
The crash of Flight 5463 was attributed to the following causes:<ref name="Gero">Template:Cite book</ref>-
- Violation of the approved approach scheme to Alma-Ata airport
- Failure of the executive flight manager to monitor the situation
- Violation of the flight operations manual by the crew for following the instructions of the final controller to descend below a safe altitude.
References
External links
- 1980s in the Kazakh Soviet Socialist Republic
- 1983 in the Soviet Union
- Aeroflot accidents and incidents
- Airliner accidents and incidents involving controlled flight into terrain
- Airliner accidents and incidents caused by pilot error
- Aviation accidents and incidents caused by air traffic controller error
- Aviation accidents and incidents in 1983
- Aviation accidents and incidents in Kazakhstan
- Aviation accidents and incidents in the Soviet Union
- Accidents and incidents involving the Tupolev Tu-134
- August 1983 events