ASN Aircraft accident Canadair CL-600-2B19 Regional Jet CRJ-100SE N168CK Moskva-Vnukovo Airport (VKO)
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Status:Accident investigation report completed and information captured
Date:Tuesday 13 February 2007
Type:Silhouette image of generic CRJ1 model; specific model in this crash may look slightly different
Canadair CL-600-2B19 Regional Jet CRJ-100SE
Operator:FortAero Business Aviation
Registration: N168CK
MSN: 7099
First flight: 1996
Total airframe hrs:3814
Engines: 2 General Electric CF34-3B1
Crew:Fatalities: 0 / Occupants: 3
Passengers:Fatalities: 0 / Occupants: 0
Total:Fatalities: 0 / Occupants: 3
Aircraft damage: Destroyed
Aircraft fate: Written off (damaged beyond repair)
Location:Moskva-Vnukovo Airport (VKO) (   Russia)
Crash site elevation: 209 m (686 feet) amsl
Phase: Takeoff (TOF)
Departure airport:Moskva-Vnukovo Airport (VKO/UUWW), Russia
Destination airport:Berlin-Schönefeld Airport (SXF/EDDB), Germany
The CRJ-100SE, a corporate version of the RegionalJet, was conducting a maintenance positioning flight from Moscow's Vnukovo Airport to Berlin-Schönefeld Airport (SXF), Germany.
At 14:30 hours the aircraft was rolled out of a heated hangar and towed to the apron of the Vnukovo-3 business terminal.
At 15:57 the crew radioed a request to start the engines. This was allowed by ATC and the crew read back: "CK, start up approved and we will be ready in 10 to 15 minutes for taxi and take off due to deicing procedure".
At 16:01 the aircraft was towed to the anti-icing platform, where, at the request of the captain, it was processed in two stages by type I and type IV fluids. At 16:18 after the anti-icing treatment of the aircraft was completed, it was towed to the beginning of taxiway 14, where the engines were started. After working the necessary checklists the flight was cleared to taxi to runway 06 for departure. At 16:36 the flight was cleared for takeoff.
The airplane lifted off runway 06 about 1,500 meters from the threshold, and immediately banked sharply to the left. It then banked sharply to the right, hitting the runway with the right wingtip. The airplane continued to roll to the right until it was inverted, and veered off the right side of the runway. It came to rest 1,950 meters from the runway threshold, about 35 meters to the right of the runway's edge.

Probable Cause:

PROBABLE CAUSE (translated from Russian):
The accident with the aircraft CRJ100-SE registration number N168CK occurred as a result of loss of the lifting properties of the wing during the take-off phase, which led to the stalling of the aircraft immediately after detachment from the runway, collision of the right wing tip with the surface of the runway, subsequent destruction and fire.
The reason for the loss of the bearing properties of the wing under the actual meteorological conditions (moderate to strong rainfall, temperature minus 6°C, dew point minus 7°C) was the effect of ground icing, despite the anti-icing treatment that could be caused by a combination of the following factors:
- deficiencies in the guidance documents defining the procedure for de-icing aircraft in a two-stage procedure, which resulted in the possibility of a different interpretation of the requirements for the start of a 3-minute interval between the first and second stages of processing;
- non-receipt by the crew of meteorological documentation in full in preparation for the flight and, as a consequence, inability to correctly determine the protective action time of the LOA and failure to take measures to re-process the aircraft;
- violation of the airway route recommended by the AFM, and non-retention of the recommended 3-minute interval between the first and second stages of treatment;
- lack of proper control by crew members and / or airline representatives for the completeness and quality of anti-icing treatment;
- non-inclusion by the crew of the PIC wing before take-off, which is a mandatory requirement of the AFM for the actual weather conditions.

The protuberance of the sealant on the upper and lower surfaces of the wing by an amount significantly exceeding the limitation of the current technical conditions, as well as the beginning of the nose wheel lift of the aircraft at a speed of 12 knots less than the recommended one, reduced the margin for the stall angle of attack.
The existing procedural method for monitoring the aerodynamic surfaces of the aircraft before departure, along with the inefficiency at the take-off stage of the existing stall protection system, because of the increased sensitivity of the wing, even to a slight contamination of the leading edge, can not fully guarantee the prevention of such incidents in the future.

Accident investigation:

Investigating agency: MAK Russia
Status: Investigation completed
Duration: 2 years and 5 months
Accident number: Final report
Download report: Final report

Loss of control

» NTSB id NYC07RA064

METAR Weather report:
13:36 UTC / 16:36 local time:
UUWW 131330Z 13005MPS 1000 R06/1000N SHSN VV003 M06/M07 Q1009 TEMPO 0700 +SHSN RMK 06511040 QBB100=
wind 130 degrees at 10 kts, visibility 1000 m in snow showers with a 300 ft.vertical visibility, Temperature -6°C, Dewpoint -7°C,QNH 1009 hPa

Follow-up / safety actions

Transport Canada issued 4 Airworthiness Directives

Show all...


photo of Canadair-Challenger-850-N168CK
accident date: 13-02-2007
type: Canadair Challenger 850
registration: N168CK
photo of Canadair-Challenger-850-N168CK
accident date: 13-02-2007
type: Canadair Challenger 850
registration: N168CK

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 Moskva-Vnukovo Airport to Berlin-Schönefeld Airport as the crow flies is 1572 km (983 miles).
Accident location: Exact; deduced from official accident report.

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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