Aeroflot Flight 99

Aeroflot Flight 99
	An Aeroflot Tupolev Tu-124 similar to the one involved in the accident.
Accident
Date	11 November 1965
Summary	CFIT
Site	1.5 km from Murmansk Airport, RSFSR, Soviet Union
Aircraft type	Tupolev Tu-124V
Operator	Aeroflot
Registration	CCCP-45086
Flight origin	Leningrad-Pulkovo Airport
Destination	Murmansk Airport
Passengers	57
Crew	7
Fatalities	32
Survivors	32

Aeroflot Flight 99 was a Tupolev Tu-124 operating a scheduled domestic passenger flight from Leningrad to Murmansk, both in the Soviet Union, which crashed while attempting to land on 11 November 1965. Of the 64 passengers and crew on board, 32 were killed in the accident, and many of the survivors sustained injuries.[1]

Aircraft

The aircraft involved in the accident was a Tupolev Tu-124 registered as CCCP-45086 to Aeroflot. The aircraft was rather new as it had rolled off the assembly line in August 1965. At the time of the accident the aircraft had sustained 357 flight hours and 300 pressurization cycles. (one cycle equals one takeoff and landing)[2]

Crew

Nine crew members were aboard the flight. The cockpit crew consisted of the following:[3]

Captain Donat Samuilovich Nekludov (Донат Самуилович Неклюдов)
Co-pilot D. A. Kuneshov (Д.А. Кунешов)
Navigator Y. M. Vishnev (Ю.М. Вишнев)
Flight engineer V. I. Romanov (В.И. Романов)
Radio operator F. I. Petrov (Ф.И. Петров)

The dispatcher along with the stewardess A.E. Artsibasheva (А.Е. Арцыбашева) worked in the cabin.[3]

Accident

Aeroflot Flight SU99 took off from Leningrad-Pulkovo Airport at 14:21. The flight went smoothly during takeoff and cruise. However, during the descent towards Murmansk, weather had deteriorated with cumulonimbus clouds at 260 meters, snow and visibility of 1.5 km.[4]

At 15:50, 7 minutes before the estimated time of arrival, the air traffic controller informed the flight of the deteriorating weather conditions at the airport and instructed the flight to fly at an altitude of 2400 meters; shortly thereafter he ordered the aircraft to reduce altitude again to reach 700 meters. The bearing for the landing was 215°.

When the flight was at an altitude of 800 meters the captain began a turn, losing altitude quicker than anticipated. During the approach, 7100 meters from the runway, the Tupolev was flying 400 m to the left of the extended centerline. When the flight was at an altitude of 180 meters and trying to pass the non-directional beacon that was about 2400 meters from the runway, the aircraft entered the snowstorm. Shortly thereafter the pilot-in-command increased the rate of descent, and at 15:57 the Tu-124 crashed into the frozen Lake Kilpyavr while 273 meters short of the beacon and 2127 meters short of the runway.[4]

After hitting the ice the aircraft lost the left wing, and the fuselage broke in two, separating from the cockpit. The right wing then separated. The fuselage stopped on the ice 1562 m from the beginning of the runway, and quickly sank. Soldiers managed to save several passengers from the sunken fuselage. The cockpit stopped on the ice 166 meters to the left of the fuselage then fell through the ice into shallow waters near a small island in the middle of the lake; It sank partially. All crew members except the navigator and dispatcher managed to escape. Soldiers stationed at a building near the beacon rushed to rescue the passengers and crew from the crash, but 32 of the 64 people aboard perished in the crash.[4][1]

Cause

The pilots descended below the glidepath but did not notice their mistake immediately. What the pilots thought were runway lights were actually lights from a neighborhood near the airport, causing the pilots to think they had not descended enough; hence they increased the rate of descent even more. When the pilots noticed the mistake, it was too late and the aircraft crashed onto the frozen lake. Secondary reasons for the crash included that the airport was not equipped with glidepath approach lights, and the air traffic controller had failed to warn the crew that their altitude was too low relative to their proximity to the runway.

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References

"Accident description". ASN. Retrieved 17 May 2014.
"Туполев Ту-124В Бортовой №: СССР-45086". russianplanes.net. Retrieved 15 December 2017.
"Авиакатастрофа Ту-124В близ Мурманска. 1965". avia.pro. Retrieved 15 December 2017.
"Катастрофа Ту-124В Северного УГА близ Мурманска" (in Russian). airdisaster.ru. Retrieved 17 May 2014.

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.

[asnaeroflot99-1] "Accident description". ASN. Retrieved 17 May 2014.

[2] "Туполев Ту-124В Бортовой №: СССР-45086". russianplanes.net. Retrieved 15 December 2017.

[:0-3] "Авиакатастрофа Ту-124В близ Мурманска. 1965". avia.pro. Retrieved 15 December 2017.

[airdisasterru-4] "Катастрофа Ту-124В Северного УГА близ Мурманска" (in Russian). airdisaster.ru. Retrieved 17 May 2014.

Aviation accidents and incidents in the Soviet Union and Russia
1950s	1950 Sverdlovsk plane crash Aeroflot Flight 4 1958 Aeroflot Tu-104 Kanash crash Aeroflot Flight 315 (1959) Aeroflot Flight 120
1960s	Aeroflot Flight 315 (1960) Aeroflot Flight 207 Austrian Airlines Flight 901 Aeroflot Flight 68 Aeroflot Flight 245 Aeroflot Flight 902 Aeroflot Flight 415 Aeroflot Flight 191 Aeroflot Flight 3 Aeroflot Flight 25 Aeroflot Flight 12 CCCP-45021 Aeroflot Flight 663 Aeroflot Flight 721 Aeroflot Flight 20 Aeroflot Flight 513 Aeroflot Flight 99 Aeroflot Flight 65 Aeroflot Flight 2723 Aeroflot Flight 5003 (1967) Aeroflot Flight 2230 Aeroflot Flight 51 Aeroflot Flight 15 Aeroflot Flight 831 Aeroflot Flight 826 1969 Yukhnov mid-air collision
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