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ASN Wikibase Occurrence # 176588
Last updated: 24 November 2021
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Time:09:30 UTC
Type:Silhouette image of generic AS50 model; specific model in this crash may look slightly different
Eurocopter AS 350B3+ Ecureuil
Owner/operator:Mountain Helicopters
Registration: 9N-AJP
MSN: 4681
Fatalities:Fatalities: 4 / Occupants: 4
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Location:Sindhupalchowk district -   Nepal
Phase: En route
Nature:Passenger - Non-Scheduled/charter/Air Taxi
Departure airport:Tembathang
Destination airport:Kathmandu
The helicopter crashed while carrying out relief operations. Wire strike following distraction by passenger. Fatigue a factor. A post-crash fire consumed the wreckage.

3.3 Probable Cause
At the end of the investigation the Commission reached to the conclusion that the most probable cause of this accident was hitting neutral wire of high tension line of NEA by main rotor and tail rotor of the helicopter and loosing directional control; subsequently breakdown of dynamic components which resulted helicopter became uncontrolled and hit on slopy mountain terrain.


Accident investigation:
Investigating agency: 
Status: Investigation completed
Download report: Final report

Revision history:

02-Jun-2015 14:03 Anon. Added
02-Jun-2015 14:06 harro Updated [Aircraft type, Registration, Cn]
02-Jun-2015 16:58 Chieftain Updated [Phase, Source]
09-Oct-2015 14:18 Aerossurance Updated [Source, Narrative]
26-Jun-2020 13:38 KagurazakaHanayo Updated [Time, Other fatalities, Departure airport, Destination airport, Source, Narrative]
26-Jun-2020 13:38 harro Updated [Narrative, Accident report, ]

Corrections or additions? ... Edit this accident description