Part 104: Russia

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This plane crash takes us to the country of Russia, which is located next to the following countries: Mongolia, Kazakhstan, Ukraine, Belarus, Lithuania, Latvia, Estonia, Finland, Poland and North Korea.

WARNINGS OF A PLANE CRASH

Pictured above is a similar type of plane that was involved in this crash

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Pictured above is a similar type of plane that was involved in this crash.

Aeroflot Flight 3352 was a regularly scheduled Aeroflot domestic flight in the Soviet Union from Krasnodar to Novosibirsk, with an intermediate landing in Omsk. While landing at Omsk Airport (IATA: OMS, ICAO: UNOO) on Thursday, 11th of October 1984, the aircraft crashed into maintenance vehicles on the runway, killing 174 people on board and four on the ground. While a chain of mistakes in airport operations contributed to the accident, it's major cause was an air traffic controller falling asleep on duty.

As of 2025, this remains the deadliest aviation accident on Russian territory. It was also the deadliest aviation accident involving a Tupolev Tu-154 at the time until the crash of Aeroflot Flight 5143 (Crashed due to a high altitude stall) nine months later; as of 2025, it still ranks as the second-deadliest accident involving a Tupolev Tu-154. According to Komsomolskaya Pravda in 2017, the newspaper was the first to talk about the accident, as for 20 years, journalists had been silent.

The Tupolev Tu-154 B-1 was operated by Aeroflot (later becoming East Siberia). It was equipped with three Kuznetsov NK-8-2U engines, and first flew in 1977.

The flight carried 170 passengers, including eight teenagers and 16 young children; 2,700 kilograms (6,000 lb) of luggage, 306 kilograms (675 lb) of post, and 1,600 kilograms (3,500 lb) of cargo. The crew consisted of four cockpit members and five flight attendants. The 49-year-old captain Boris Petrovich Stepanov was highly experienced, with 16,365 hours in the air, including 4,303 hours of night flights and 1,846 hours on Tu-154. The first officer was 47-year-old Anatoly Yachmenev, who had 2,748 hours recorded on Tu-154. The remaining two cockpit crew members were flight engineer Vitaly Pronozin and navigator Yuri Blazhin.

The flight was approaching Omsk in poor weather: light rain, visibility 3 kilometres (1.9 mi; 1.6 nmi) with a 100-metre (330 ft) ceiling.

At the time it took place, the accident was the deadliest one in Soviet aviation history. It was surpassed on 10 July 1985 by Aeroflot Flight 5143, another Tu-154, which crashed in Uzbek SSR (modern day Uzbekistan), and killed 200 people.

At 5 a.m. local time (UTC+07:00), Flight 3352 was preparing to land at Omsk Central Airport (IATA: OMS, ICAO: UNOO) in southwestern Siberia, which has a population of over 1 million and is the administrative centre of Omsk Oblast. At the time, this was the only aircraft approaching Omsk, and it was cleared for landing when it contacted the airport.

At 5:20 a.m., worried that the continuing rain would make the runway overly slippery, the airport ground maintenance crew requested permission to dry the runway. The ground controller on duty, 23-year-old Andrey Borodaenko, gave permission and proceeded to fall asleep soon after, in the process forgetting to switch on the "runway occupied" warning. Under airport regulations, this procedure should never have happened; permission to close and do maintenance on a runway could only be given by the chief controller, who was absent.

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