Accident Viking Air DHC-6 Twin Otter 400 9N-AHH, Wednesday 24 February 2016
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Date:Wednesday 24 February 2016
Time:08:15
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:Tara Air
Registration: 9N-AHH
MSN: 926
Year of manufacture:2015
Total airframe hrs:270 hours
Cycles:482 flights
Engine model:Pratt & Whitney Canada PT6A-34
Fatalities:Fatalities: 23 / Occupants: 23
Other fatalities:0
Aircraft damage: Destroyed, written off
Category:Accident
Location:Dana, Myagdi district -   Nepal
Phase: En route
Nature:Passenger - Scheduled
Departure airport:Pokhara Airport (PKR/VNPK)
Destination airport:Jomsom Airport (JMO/VNJS)
Investigating agency: Nepal AAIC
Confidence Rating: Accident investigation report completed and information captured
Narrative:
A Viking Air DHC-6 Twin Otter 400, operating Tara Air flight 193, was destroyed in an accident in the Myagdi district, Nepal. All 23 on board suffered fatal injuries.
The aircraft departed at 07:50 hours local time from Pokhara Airport (PKR) on a domestic 20-minute flight to Jomsom Airport (JMO), Nepal. The copilot acted as Pilot Flying, the captain as Pilot Monitoring during the flight. En route the flight deviated to the left and climbed to 12000 feet to avoid clouds.
Over the Ghorepani area the GPWS began to sound. The aircraft was flying through clouds with a little visibility in between and a descent to 10000 feet was initiated. At 10200 feet the GPWS sounded again but the captain responded not to worry about it.
The captain was used to hearing these warnings in normal flight, so it became a habit to disregard the warnings. About one minute before the accident the captain took over control and initiated a climb. The aircraft impacted a mountainside at 10700 feet, coming to rest at an elevation of 10982 feet.

According to a statement by the airline, the aircraft crashed near Tirkhe Dungha, Dana VDC of Myagdi district.

Probable Cause:
The Commission concludes that the probable cause of this accident was the fact that despite of unfavourable weather conditions, the crew's repeated decision to enter into cloud during VFR flight and their deviation from the normal track due to loss of situational awareness aggravated by spatial disorientation leading to CFIT accident.

Accident investigation:
cover
  
Investigating agency: Nepal AAIC
Report number: Final report
Status: Investigation completed
Duration: 1 year and 4 months
Download report: Final report

Sources:

Hemant Arjyal
The Himalayan Times
Tara Air

Statistics

  • 7th worst accident in 2016
  • 4th worst accident of this aircraft type
  • 4th worst accident of this aircraft type at the time

Location

Images:


photo (c) Google / annotations by ASN; Dana, Myagdi district; 24 February 2016

Revision history:

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