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Aeroflot Flight N-826

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1969 aviation accident
Aeroflot Flight N-826
An Antonov An-24B similar to accident aircraft
Accident
Date3 August 1969 (1969-08-03)
SummaryMechanical malfunction due to metal fatigue
SitePreobrazhenka, Krynychky Raion, Ukrainian SSR
Aircraft
Aircraft typeAntonov An-24
OperatorAeroflot
RegistrationCCCP-46248
Flight originLuhansk International Airport
DestinationLviv Danylo Halytskyi International Airport
Occupants55
Passengers51
Crew4
Fatalities55
Survivors0

On Sunday 3 August 1969 an Antonov An-24 operating Aeroflot Flight N-826 (Russian: Рейс N-826 Аэрофлота Reys N-826 Aeroflota) crashed resulting in the death of all 55 people on board. An investigation revealed the cause of the accident was an in flight failure of the propeller attached to "No. 1" (left) engine.

Accident

Flight N-826 was a scheduled passenger flight from Voroshilovgrad to Lviv with stops at Dnipropetrovsk and Vinnytsia. At 15:47 the aircraft departed Dnipropetrovsk. At 15:58 the crew reported an altitude of 3,600 meters and received permission from ATC to climb to 4,200 m (13,800 ft). This was the last radio transmission from Flight N-826. While climbing through 4,000 meters, the No. 2 propeller blade of the left engine separated from its hub and punctured the fuselage severing control cables for the stabilizer, ailerons and rudder rendering the aircraft uncontrollable. Because of the imbalance, the left propeller was detached. The aircraft then banked left and entered a descent with its airspeed increasing. After a steep spiral, the airliner struck the ground at an angle of 45-50 degrees and at a speed of 500-550 km/h. At 16:06 ATC tried to communicate with Flight N-826 but received no answer. All further attempts at communication with the An-24 were unsuccessful.

Aircraft

The aircraft involved was an Antonov An-24B, serial number 77303206 and registered as CCCP-46248 and was handed over to the Lvovski aviation detachment of the Ukrainian Department of the Civil Air Fleet. The airliners production date was 23 March 1967 and at the time of the crash, it had a total of 4,557 flight hours with 4,789 pressurization cycles.

Investigation

Investigators discovered the propeller blade failed due to a fatigue fracture caused by corrosion.

See also

Portals:

References

  1. "Zaporizhia Oblast | Bureau of Aircraft Accidents Archives". www.baaa-acro.com. Retrieved 2018-05-31.
  2. "Accident description Sunday 3 August 1969". aviation-safety.net. Retrieved 2018-05-22.
  3. "An-24 c/n 77303206". Scramble Soviet Transport Database.
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Aviation accidents and incidents in 1969 (1969)
Jan 5 Ariana Afghan Airlines Flight 701Jan 6 Allegheny Airlines Flight 737Jan 13 Scandinavian Airlines System Flight 933Jan 18 United Air Lines Flight 266Feb 18 El Al Flight 432Feb 18 Hawthorne Nevada Airlines Flight 708Feb 24 Far Eastern Air Transport Flight 104Mar 5 Prinair Flight 277Mar 16 Viasa Flight 742Mar 20 United Arab Airlines Aswan crashMar 25 Delta Air Lines Flight 821Apr 2 LOT Polish Airlines Flight 165Apr 15 EC-121 shootdown incidentApr 28 LAN-Chile Flight 160May 23 Theft of C-130Jun 4 Mexicana de Aviación Flight 704Jun 23 Yukhnov mid-air collisionJun 28 Aeroflot Flight F-28Jul 26 TWA Flight 5787Aug 3 Aeroflot Flight N-826Aug 26 Aeroflot Flight 1770Aug 29 TWA Flight 840Aug 31 Newton Cessna 172 crashSep 9 Allegheny Airlines Flight 853Sep 12 Philippine Air Lines Flight 158Sep 21 Mexicana de Aviación Flight 801Sep 26 La Paz LAB DC-6 crashNov 19 Mohawk Airlines Flight 411Nov 20 Nigeria Airways Flight 925Dec 3 Air France Flight 212Dec 8 Olympic Airways Flight 954Dec 11 Korean Air Lines YS-11 hijacking
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