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Aeroflot Flight 5463

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1983 aviation accident

Aeroflot Flight 5463
An Aeroflot Tu-134A in 1983, similar to that involved in the accident.
Accident
Date30 August 1983
SummaryControlled flight into terrain caused by pilot error and ATC error
Site36 km (22 mi; 19 nmi) from Alma-Ata Airport, Alma-Ata, Kazakh SSR, Soviet Union
Aircraft
Aircraft typeTupolev Tu-134A
OperatorAeroflot
RegistrationCCCP-65129
Flight originChelyabinsk Airport, Chelyabinsk, Russian SFSR, Soviet Union
DestinationAlma-Ata Airport, Kazakh SSR, Soviet Union
Occupants90
Passengers84
Crew6
Fatalities90
Survivors0

Aeroflot Flight 5463 was a Soviet domestic passenger flight from Chelyabinsk to Almaty which crashed on 30 August 1983 while approaching Almaty. The Tupolev Tu-134A collided with the western slope of Dolan Mountain at an altitude of 690 m (2,260 ft). As a result of the accident, all ninety people on board were killed. Crew error was cited as the cause of the accident.

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 600 m (2,000 ft), whereas the minimum safe altitude for the surrounding terrain was 4,620 m (15,160 ft). 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 600 m (2,000 ft). 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.

The aircraft crashed into Dolan Mountain, at an altitude of 690 m (2,260 ft), 30 km (19 mi; 16 nmi) from Almaty airport, disintegrating and catching fire. At the time of the accident, there was cumulo-nimbus cloud cover at an altitude of 3,000–4,500 m (9,800–14,800 ft) with cloud tops of 7,000–8,000 m (23,000–26,000 ft) and a visibility of 10 km (6.2 mi; 5.4 nmi).

Investigation

The crash of Flight 5463 was attributed to the following causes:

  • 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

  1. ^ Катастрофа Ту-134А Казанского ОАО в районе Алма-Аты (in Russian). Airdisaster.ru. Retrieved 5 December 2013.
  2. И никого не защитила вдали обещанная встреча… (in Russian). Megapolis.kz. 14 May 2012. Archived from the original on 12 December 2013. Retrieved 5 December 2013.
  3. Gero, David (1996). Aviation Disasters Second Edition. Patrick Stephens Limited. pp. 176–177.

External links

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Aviation accidents and incidents in 1983 (1983)
Jan 11 United Airlines Flight 2885Jan 16 Turkish Airlines Flight 158Mar 7 Balkan Bulgarian Airlines Flight 013Mar 11 Avensa Flight 007Apr 19 Aeroflot Flight E-46May 1 Negev mid-air collisionMay 5 Hijacking of CAAC Flight 296May 5 Eastern Air Lines Flight 855May 22 Rhein-Main Starfighter crashJun 2 Air Canada Flight 797Jun 6 Alraigo incidentJun 8 Reeve Aleutian Airways Flight 8Jul 1 Chosonminhang Il-62 crashJul 11 TAME Flight 173Jul 16 British Airways Sikorsky S-61 crashJul 23 Air Canada Flight 143Aug 30 Aeroflot Flight 5463Sep 1 Korean Air Lines Flight 007Sep 14 Guilin Airport collisionSep 23 Gulf Air Flight 771Oct 11 Air Illinois Flight 710Nov 8 TAAG Flight 462Nov 18 Aeroflot Flight 6833Nov 27 Avianca Flight 011Nov 28 Nigeria Airways Flight 250Dec 7 Madrid runway disasterDec 14 TAMPA Colombia Boeing 707 crashDec 18 Malaysian Airline System Flight 684Dec 20 Ozark Air Lines Flight 650Dec 23 Anchorage runway collisionDec 24 Aeroflot Flight 601
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43°10′8.04″N 76°41′53.16″E / 43.1689000°N 76.6981000°E / 43.1689000; 76.6981000

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