ASN Wikibase Occurrence # 178314
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| Date: | Tuesday 4 August 2015 |
| Time: | |
| Type: |  Eurocopter AS 365N3 Dauphin 2 |
| Owner/operator: | Pawan Hans Helicopters (PHHL) |
| Registration: | VT-PHK |
| MSN: | 6631 |
| Year of manufacture: | 2002 |
| Fatalities: | Fatalities: 3 / Occupants: 3 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | 12 km S of Khonsa, Tirap district, Arunachal state -
 India
|
| Phase: | En route |
| Nature: | Passenger - Non-Scheduled/charter/Air Taxi |
| Departure airport: | Khonsa helipad, Arunachal Pradesh |
| Longding helipad, Arunachal Pradesh | |
| Investigating agency: | AAIB India |
| Confidence Rating: |  Accident investigation report completed and information captured |
On the day of accident, the helicopter was planned to operate a flight from Itanagar to Dibrugarh, Khonsa, Longding, Changlang and back via Dibrugarh to Itanagar, India.
The helicopter started up at 04:21 UTC and took off from Dibrugarh at 04:25 UTC for Khonsa under Special VFR conditions. At 04:57 UTC the pilot informed Chabua ATC that they had got airborne
from Khonsa and were climbing to 4500 ft. Estimated time of landing at Longding was 05:08 UTC. They also informed that the destination helipad was at 39 miles from Dibrugarh and at a radial of 156. At 05:00 UTC pilot informed Chabua ATC that they were climbing to 5500 feet. Chabua ATC informed them to report on landing. At 0508 UTC Chabua ATC called up the helicopter but didn't get any reply. Several unsuccessful attempts were made to contact the helicopter by Chabua ATC. The helicopter was subsequently declared overdue.
The wreckage was finally located 6 August.
Probable Cause
- The helicopter after taking off in bad weather and while trying to negotiate weather flew on alternate route getting disoriented resultantly hitting hill in the area.
- Non familiarity with the topography around alternate route, in the absence of route maps and charts, contributed to the accident.
- Lack of supervision & absence of flight follow up in the organisation as required by SOP contributed to the accident.
Accident investigation:
 |
|
Sources:
https://www.firstpost.com/india/missing-pawan-hans-chopper-found-in-arunachal-pradesh-rescue-operations-on-2378670.html
https://timesofindia.indiatimes.com/india/Missing-Pawan-Hans-chopper-sighted-in-Arunachals-Tirap-district/articleshow/48345698.cms_
http://www.thehindu.com/news/national/wreckage-of-missing-pawan-hans-helicopter-found-in-arunachal-prades/article7521430.ece?ref=relatedNews
http://www.thehindu.com/todays-paper/tp-national/tp-otherstates/search-on-for-missing-helicopter/article7505080.ece
http://www.thehindu.com/news/national/other-states/arunachal-chopper-crash-3-bodies-spotted/article7530045.ece
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 05-Aug-2015 12:00 | plcedi | Added |
| 05-Aug-2015 12:10 | gerard57 | Updated [Country] |
| 05-Aug-2015 13:19 | Aerossurance | Updated [Aircraft type, Phase, Nature, Narrative] |
| 05-Aug-2015 13:21 | Aerossurance | Updated [Total occupants, Narrative] |
| 06-Aug-2015 09:32 | Aerossurance | Updated [Total fatalities, Source, Damage, Narrative] |
| 14-Aug-2015 17:20 | ABN397 | Updated [Total fatalities, Total occupants, Location, Departure airport, Destination airport, Source, Narrative] |
| 12-Sep-2015 15:42 | gerard57 | Updated [Registration] |
| 25-Nov-2015 10:31 | TB | Updated [Aircraft type, Cn, Operator, Other fatalities, Location] |
| 12-Apr-2018 12:48 | harro | Updated [Narrative] |
Corrections or additions? ... Edit this accident description
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