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Last updated: 18 October 2018
Status:Preliminary
Date:Wednesday 10 October 2018
Time:03:20
Type:Silhouette image of generic SU95 model; specific model in this crash may look slightly different
Sukhoi Superjet 100-95B
Operator:Yakutia Airlines
Registration: RA-89011
C/n / msn: 95019
First flight: 2012-08-13 (6 years 2 months)
Crew:Fatalities: 0 / Occupants: 5
Passengers:Fatalities: 0 / Occupants: 86
Total:Fatalities: 0 / Occupants: 91
Aircraft damage: Substantial
Location:Yakutsk Airport (YKS) (   Russia)
Phase: Landing (LDG)
Nature:Domestic Scheduled Passenger
Departure airport:Ulan-Ude Airport (UUD/UIUU), Russia
Destination airport:Yakutsk Airport (YKS/UEEE), Russia
Flightnumber:R3414
Narrative:
Yakutia Airlines flight 414, a Sukhoi Superjet, suffered a collapse of the main landing gear in a landing accident at Yakutsk Airport, Russia.
Yakutsk Airport's runway 05R threshold was displaced by 1150 meters due to reconstruction. Runway 23L was available for landing only with a Landing Distance Available (LDA) of 2248 meters. Additionaly, the touchdown zone lights of runway 23L and runway centreline lights were unserviceable.
Flight 414 touched down on runway 23L following an NDB approach. Wind was reported to be from 060° at 2 m/s, resulting in a 4 knot tailwind component. A runway friction coefficient of 0.45 was communicated to the flight.
The aircraft failed to stop on the remaining runway and overran onto the area that was under reconstruction, stopping after 250 meters. This caused damage to the forward fuselage, separation of both main landing gear bogies and a fuel tank leak.
After the accident, a measurement showed friction coefficients of 0.25, 0.32, and 0.25 on the runway.
The aircraft was dispatched with a deactivated thrust reverser on engine no.2. According to the limitations of the minimum equipment list (MEL), landing with deactivated engine reversers is allowed at a friction coefficient of not less than 0.4.

Classification:
Runway excursion

METAR Weather report:
18:00 UTC / 03:00 local time:
UEEE 091800Z 05002MPS 9999 BKN020CB M03/M04 Q1012 R23L/590145 NOSIG RMK QFE750

18:30 UTC / 03:30 local time:
UEEE 091830Z 05003MPS 9999 BKN020CB M03/M04 Q1012 R23L/590145 NOSIG RMK QFE750

19:00 UTC / 04:00 local time:
UEEE 091900Z 06003MPS 9999 BKN015CB M03/M05 Q1012 R23L/590145 NOSIG RMK QFE750


Follow-up / safety actions

UEEE issued 1 Notice to Airmen (Notam)

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Photos

photo of Sukhoi Superjet 100-95B RA-89011
photo of Sukhoi Superjet 100-95B RA-89011
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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Ulan-Ude Airport to Yakutsk Airport as the crow flies is 1744 km (1090 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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