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{{Short description|1969 aviation accident}}
{{Userspace notes}}
{{Infobox aircraft occurrence
{{Infobox aircraft occurrence
| name = Aeroflot Flight 826
| name = Aeroflot Flight N-826
| date = {{start date|1969|08|03}}
| date = {{start date|1969|08|03|df=y}}
| summary = Mechanical malfunction
| summary = Mechanical malfunction due to metal fatigue
| occurrence_type = Accident
| occurrence_type = Accident
| image = Antonov An-24B, IrAero AN1577030.jpg
| image = Antonov An-24B, Aeroflot AN1010693.jpg
| caption = An Antonov An-24B similar to accident aircraft
| caption = An Antonov An-24B similar to accident aircraft
| site = Preobrazhenka, [[Krynychky Raion]], [[Ukrainian SSR]]
| site = Krinichansk district of the Dnepropetrovsk region
| origin = [[Luhansk|Voroshilovgrad]]
| origin = [[Luhansk International Airport]]
| destination = [[Lviv]]
| destination = [[Lviv Danylo Halytskyi International Airport]]
| passengers = 51
| occupants = 55
| crew = 4
| passengers = 51
| fatalities = 55
| crew = 4
| injuries =
| fatalities = 55
| missing =
| injuries =
| survivors = 0
| missing =
| survivors = 0
| aircraft_type = [[Antonov An-24]]
| operator = [[Aeroflot]]
| aircraft_type = [[Antonov An-24]]
| operator = [[Aeroflot]]
| tail_number =CCCP-46248
| tail_number = CCCP-46248
}}
}}
On Sunday August 3, 1969 an [[Antonov An-24]] operating Aeroflot flight 826 crashed resulting in the death of all 55 people on board.
On Sunday 3 August 1969 an [[Antonov An-24]] operating '''Aeroflot Flight N-826''' ({{Lang-ru|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.<ref>{{Cite web|url=https://www.baaa-acro.com/zone/zaporizhia-oblast|title=Zaporizhia Oblast {{!}} Bureau of Aircraft Accidents Archives|website=www.baaa-acro.com|language=en|access-date=2018-05-31}}</ref>


⚫
==Accident==
An investigation revealed the cause of the accident as in flight failure of the "No. 1" or left propeller.
⚫
Flight N-826 was a scheduled passenger flight from [[Luhansk|Voroshilovgrad]] to [[Lviv]] with stops at [[Dnipro|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 meters. This was the last radio transmission from flight 826. While climbing through 4,000 meters, the number two propeller blade of the left engine separated from its hub and punctured the fuselage severing control rods for the ailerons and rudder rendering the Antonov uncontrollable. Because of the imbalance, the left air screw was detached. The aircraft then banked to the 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 826 but received no answer. All further attempts at communication with the AN-24 were unsuccessful.<ref name=avasf>{{Cite web|url=https://aviation-safety.net/database/record.php?id=19690803-1|title=Accident description Sunday 3 August 1969 |website=aviation-safety.net|access-date=2018-05-22}}</ref>


==Aircraft==
==Aircraft==
The aircraft involved was an Antonov An-24B, serial number 77303206 and registered as CCCP-46248. The airliners production date was March 23, 1967 and at the time of the crash, it had a total of 4557 flight hours with 4789 landings.<ref name=airu>{{Cite web|url=http://www.airdisaster.ru/database.php?id=685|title=Catastrophe of An-24B of the Ukrainian UGA near Dnipropetrovsk|last=|first=|date=|website=airdisaster.ru|language=ru|archive-url=|archive-date=|dead-url=|access-date=2018-05-13}}</ref>
The aircraft involved was an Antonov An-24B, serial number 77303206 and registered as CCCP-46248. 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 landings.<ref name=":0">{{Cite web|url=http://www.airdisaster.ru/database.php?id=685|title=Катастрофа Ан-24Б Украинского УГА в районе Днепропетровска|website=airdisaster.ru|language=ru|access-date=2018-05-31}}</ref>

⚫
==Accident==
⚫
Flight 826 was a scheduled passenger flight from Voroshilovgrad to Lviv with stops at [[Dnipro|Dnipropetrovsk]] and [[Vinnytsia]]. At 15:47 the aircraft departed Dnipropetrovsk. At 15:58 the crew reported an altitude of 3,600 m and received permission from ATC to climb to 4,200 m. This was the last radio transmission from flight 826. While climbing through 4,000 m, the "no 2" propeller blade of the left engine separated from its hub and punctured the fuselage severing control rods for the ailerons and rudder rendering the Antonov uncontrollable. The aircraft then banked to the left and entered a decent 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 the aircraft and failed. All further attempts at communication with the AN-24 were unsuccessful.<ref name=avasf>{{Cite web|url=https://aviation-safety.net/database/record.php?id=19690803-1|title=Accident description Sunday 3 August 1969 |last=|first=|date=|website=aviation-safety.net|language=|archive-url=|archive-date=|dead-url=|access-date=2018-05-22}}</ref>


==Investigation==
==Investigation==
Investigators discovered the propeller blade failed due to mechanical fatigue and the presence of a corrosive material.
Investigators discovered the propeller blade failed due to mechanical fatigue and the presence of a corrosive material.<ref name=":0" />


==See also==
==See also==
Line 37: Line 36:
*[[Aeroflot accidents and incidents in the 1960s]]
*[[Aeroflot accidents and incidents in the 1960s]]
{{Portal bar|Soviet Union|Aviation|1960s}}
{{Portal bar|Soviet Union|Aviation|1960s}}

==References==
{{Reflist}}

{{Aeroflot}}

{{Aviation accidents and incidents in 1969}}
{{Aviation accidents and incidents in the Soviet Union}}
{{Aviation accidents and incidents in Ukraine}}

[[Category:Aviation accidents and incidents in the Soviet Union]]
[[Category:Aviation accidents and incidents in 1969]]
[[Category:1969 in the Soviet Union]]
[[Category:Aeroflot accidents and incidents|N-826]]
[[Category:1969 in Ukraine]]
[[Category:Accidents and incidents involving the Antonov An-24]]
[[Category:Airliner accidents and incidents caused by mechanical failure]]
[[Category:Aviation accidents and incidents in Ukraine]]
[[Category:History of Dnipropetrovsk Oblast]]

Latest revision as of 19:23, 7 April 2024

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.[1]

Accident[edit]

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 meters. This was the last radio transmission from flight 826. While climbing through 4,000 meters, the number two propeller blade of the left engine separated from its hub and punctured the fuselage severing control rods for the ailerons and rudder rendering the Antonov uncontrollable. Because of the imbalance, the left air screw was detached. The aircraft then banked to the 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 826 but received no answer. All further attempts at communication with the AN-24 were unsuccessful.[2]

Aircraft[edit]

The aircraft involved was an Antonov An-24B, serial number 77303206 and registered as CCCP-46248. 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 landings.[3]

Investigation[edit]

Investigators discovered the propeller blade failed due to mechanical fatigue and the presence of a corrosive material.[3]

See also[edit]

References[edit]

  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. ^ a b "Катастрофа Ан-24Б Украинского УГА в районе Днепропетровска". airdisaster.ru (in Russian). Retrieved 2018-05-31.
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