Runway excursion Serious incident Viking Air DHC-6 Twin Otter 400 9M-SSE,
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ASN Wikibase Occurrence # 231998
 
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Date:Tuesday 7 January 2020
Time:16:20 LT
Type:Silhouette image of generic DHC6 model; specific model in this crash may look slightly different    
Viking Air DHC-6 Twin Otter 400
Owner/operator:MASwings
Registration: 9M-SSE
MSN: 894
Fatalities:Fatalities: 0 / Occupants: 16
Aircraft damage: None
Category:Serious incident
Location:Miri Airport (MYY/WBGR) -   Malaysia
Phase: Landing
Nature:Passenger - Scheduled
Departure airport:Lawas Airport (LWY/WBGW)
Destination airport:Miri Airport (MYY/WBGR)
Investigating agency: AAIB Malaysia
Confidence Rating: Accident investigation report completed and information captured
Narrative:
A DHC-6 Twin Otter 400 (9M-SSE) was on a scheduled flight MH3517 from Lawas to Miri. Upon landing at Miri Airport on runway 02, the aircraft veered to the left of the runway, ending up on the grass area to the left of runway 02.
After the incident, the passengers were evacuated by the crews with the help from the airport authorities and were taken back to the terminal.

The primary cause is the non-compliance to the DHC-6 Series 400 SOP when performing checklist procedures.
The first secondary cause is the omission of the amended checklist instruction from the manufacturer on the nose wheel steering. It resulted in the paper checklist not updated and the new instruction not practiced by the pilots when performing their checks.
The second secondary cause is due to a lack of a check and balance system in the current normal checklist procedures. There is no system in the DHC-6 series SOP to ensure the PM read the checklist item to challenge and the PF response to confirm the correct checklist actions.

Accident investigation:
cover
  
Investigating agency: AAIB Malaysia
Report number: 
Status: Investigation completed
Duration: 9 months
Download report: Final report

Sources:

https://www.theborneopost.com/2020/01/07/maswing-aircraft-skidded-off-runway-in-miri/

History of this aircraft

Other occurrences involving this aircraft
10 July 2015 9M-SSE MASWings 0 near Miri min

Media:

Revision history:

Date/timeContributorUpdates
07-Jan-2020 20:00 harro Added
07-Jan-2020 20:04 harro Updated [Aircraft type, Registration, Cn, Source, Embed code]
29-Sep-2021 14:25 harro Updated [Time, Embed code, Narrative, Accident report]

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