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Last updated: 1 December 2021
Status:Final
Date:Sunday 24 September 2017
Time:18:05
Type:Silhouette image of generic BE20 model; specific model in this crash may look slightly different
Beechcraft B200GT King Air 250
Operator:Hornbill Skyways
Registration: 9M-WSK
MSN: BY-8
First flight: 2007
Total airframe hrs:2442
Cycles:2339
Engines: 2 Pratt & Whitney Canada PT6A-52
Crew:Fatalities: 0 / Occupants: 3
Passengers:Fatalities: 0 / Occupants: 4
Total:Fatalities: 0 / Occupants: 7
Aircraft damage: Substantial
Aircraft fate: Written off (damaged beyond repair)
Location:Kuching Airport (KCH) (   Malaysia)
Phase: Landing (LDG)
Nature:Unknown
Departure airport:Mukah Airport (MKM/WBGK), Malaysia
Destination airport:Kuching Airport (KCH/WBGG), Malaysia
Narrative:
A Hornbill Skyways Beech B200GT was performing a non-scheduled communication flight from Mukah Airfield (WBGK) to Kuching International Airport (WBGG), Sarawak with 4 passengers and 3 crew on board. Upon landing on runway 25 at Kuching International Airport, the aircraft experienced runway excursion to the right of the runway pavement. The weather was cloudy and heavy downpour with cross-wind from the left during the final phase of the landing and also during landing roll.
The aircraft travelled approximately 600 meters on the soft ground parallel to the runway before coming to a stop parallel to the runway heading of 255 degrees. The nose gear collapsed just before the aircraft came to a complete halt position.

Probable Cause:

Probable Cause
1 Sudden Increase in the intensity of rain while flaring to land resulted in the significant reduction of the PF visual reference. Without the visual contact with runway centerline, the PF was not able to detect the lateral movement or heading change of the aircraft, therefore, the PF was unable to correct the displacement away from the runway centerline. The drift was also compounded by the sudden increase of strong crosswind from the left.
2 The PF had likely lost his positional and directional awareness with reference to the runway due to the degraded visibility, hence, he did not exert sufficient and timely rudder application to regain the runway centerline before departing the paved portion of the runway.
Contributory Factors
1 Intensity of rain and wind speeds were increasing over the airfield throughout the approach and landing.
2 Inadequate risk assessment on the prevailing weather conditions made by the flight crews through the established TEM briefing.
3 Lack of alertness in recognizing the abnormal situation and assertiveness by the PM in getting the attention of the PF to the developing and impending deviation from centerline.
4 Currently, there is no standard callout in OM (B) in regards to calling out for runway centerline deviation.

Accident investigation:
cover
Investigating agency: AAIB Malaysia
Status: Investigation completed
Duration: 21 days ()
Accident number: SI 08/17
Download report: Final report

Classification:
Runway excursion

Sources:
» Light aircraft skids off runway at Kuching International Airport (thestar.com.my, 24-9-2017)

METAR Weather report:
09:00 UTC / 17:00 local time:
WBGG 240900Z 15003KT 7000 FEW015CB SCT020 BKN300 32/25 Q1007 NOSIG

09:30 UTC / 17:30 local time:
WBGG 240930Z 08003KT 7000 FEW015CB SCT020 BKN300 31/25 Q1007 NOSIG

10:00 UTC / 18:00 local time:
WBGG 241000Z 12007KT 060V170 2000 +TSRA FEW015CB SCT020 BKN150 30/25 Q1008 TEMPO 2000 TSRA

10:30 UTC / 18:30 local time:
WBGG 241030Z 13008G19KT 020V170 0800 +TSRA FEW015CB BKN020 OVC150 24/22 Q1008 TEMPO 1000 TSRA

11:00 UTC / 19:00 local time:
WBGG 241100Z 08004KT 020V120 4000 TSRA FEW015CB SCT020 BKN150 24/23 Q1009 TEMPO 5000 -TSRA


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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 Mukah Airport to Kuching Airport as the crow flies is 248 km (155 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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