ASN Wikibase Occurrence # 204272
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| Date: | Saturday 13 January 2018 |
| Time: | c. 10:30 LT |
| Type: |  Eurocopter AS 365N3 Dauphin 2 |
| Owner/operator: | Pawan Hans Helicopters (PHHL) |
| Registration: | VT-PWA |
| MSN: | 6929 |
| Fatalities: | Fatalities: 7 / Occupants: 7 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | c37 nm offshore Mumbai -
 India
|
| Phase: | En route |
| Nature: | Offshore |
| Departure airport: | Mumbai-Juhu Airport (VAJJ) |
| offshore installation, Mumbai High North Field | |
| Investigating agency: | AAIB India |
| Confidence Rating: |  Accident investigation report completed and information captured |
The Dauphin helicopter was involved in an accident while operating a sortie for Oil and Natural Gas Commission (ONGC). This was the first sortie of the day for the crew. The flight was from Juhu to NQO installation under the command of a CHPL holder with another CHPL holder as Co-Pilot. There were a total 7 persons on board including 2 flight crew members. As per the passenger manifest provided by ONGC, the total weight of 05 passengers was 357 kgs (actual) and Cargo + baggage weight of 93 kgs. All the 7 persons on board received fatal injuries and helicopter was destroyed during the accident.
A flight plan was filed with ATC Juhu indicating planned takeoff time of 0330 UTC. The helicopter was parked at ONGC dispersal and had requested for startup which was approved by ATC. Visibility of 3000 meters was passed on to the flight crew. The flight crew then requested for special VFR operation which was also approved. The flight crew was asked to revise expected time of departure.
Departure time was revised to 0445 UTC. Departure instructions were passed to helicopter clearing it for destination NQO on radial 289 via K017 and at an altitude of 3000 ft. The departure instructions were repeated by the helicopter. The helicopter took off at 0443 UTC. At around 0454 UTC, the helicopter changed over from Juhu frequency (124.35) to Mumbai off shore frequency (118.2). Later, near reporting point “P”, the contact with the helicopter was lost.
PROBABLE CAUSE OF THE ACCIDENT:
The helicopter plunged into the sea at high velocity as the PF was induced into spatial disorientation while operating in poor visibility conditions as a result of malfunction (known and existing) of AFCS coupled with not handing over of controls to PM despite repeated caution of excessive bank by PM.
Accident investigation:
 |
|
Sources:
https://timesofindia.indiatimes.com/city/mumbai/chopper-with-7-on-board-goes-missing-coast-guard-alerted/articleshow/62484348.cms
http://indianexpress.com/article/cities/mumbai/juhu-airport-helicopter-with-ongc-employees-goes-missing-live-updates-5022755/
https://www.indiatoday.in/india/story/chopper-carrying-5-ongc-employees-crashes-miles-off-mumbai-coast-4-dead-1144543-2018-01-13
https://economictimes.indiatimes.com/news/politics-and-nation/ongc-chopper-with-7-on-board-loses-contact-with-atc/articleshow/62485673.cms
https://www.ndtv.com/india-news/mumbai-chopper-live-pawan-hans-helicopter-goes-missing-with-7-on-board-1799561
http://www.pib.nic.in/PressReleaseIframePage.aspx?PRID=1516641#.WloiIV2Cq1M.twitter (details of search at 20:00LT on day of accident)
https://economictimes.indiatimes.com/news/politics-and-nation/chopper-crash-search-operations-on-to-trace-missing-crew-members/articleshow/62494557.cms
http://www.newindianexpress.com/nation/2018/jan/15/search-on-for-pawan-hans-chopper-pilot-1754005.html
http://indianexpress.com/article/india/day-after-ongc-chopper-crash-black-box-found-panel-to-study-evidence-5024890/
http://www.ongcindia.com/wps/wcm/connect/ongcindia/home/media/press_release/ongc-institute-high-level-investigation-chopper-crash
https://www.hindustantimes.com/mumbai-news/ht-impact-pawan-hans-now-gets-a-dedicated-safety-head/story-sUTNw12CDOj2cgff2P3OPJ.html
https://www.ndtv.com/india-news/pawan-hans-chopper-crash-was-there-a-mid-air-explosion-1801043 (MGB/MRH image)
https://economictimes.indiatimes.com/industry/transportation/airlines-/-aviation/flammable-cargo-may-have-caused-pawan-hans-crash/articleshow/62563159.cms
https://economictimes.indiatimes.com/news/politics-and-nation/pawan-hans-crash-preliminary-report-likely-in-a-fortnight/articleshow/62606904.cms
https://www.hindustantimes.com/mumbai-news/pawan-hans-chopper-crash-flight-data-recorder-yet-to-be-decoded/story-BGcjeoRaJRUAZHZrfeh6oJ.html
http://www.wionews.com/india-news/body-of-another-crew-member-recovered-in-pawan-hans-helicopter-crash-29616?amp
https://economictimes.indiatimes.com/industry/transportation/airlines-/-aviation/after-chopper-crash-pawan-hans-to-conduct-organisational-audit/articleshow/63771067.cms
https://www.hindustantimes.com/india-news/lapses-caused-pawan-hans-crash-report/story-Ri8pC584rkiWh975dxJFMI.html
https://timesofindia.indiatimes.com/city/mumbai/2018-chopper-crash-pilots-disagreed-over-control-shows-probe-report/articleshow/72192531.cms
https://www.verticalmag.com/news/spatial-disorientation-probable-cause-of-fatal-phl-dauphin-crash/
Location
Images:
Media:
ONGC chopper crash: 7th body found - Mumbai Mirror - https://t.co/51H3bcctHs via @mumbaimirror
— Planes Of Legend (@PlanesOfLegend) 19 janvier 2018
ONCG crash- ICG ship Agrim picked up three bodies. Debris of helo located in position 292 Utan Lt 22. Second body recovered by Agrim. One body belonged to Passenger Pankaj Garg identified.@IndianExpress
— Rashmi Rajput (@RashmiRajput123) January 13, 2018
Images of Navy Intermediate Support Vessels(ISVs) T - 11 & T - 45 undertaking #SAR and involved in recovery of debris pic.twitter.com/idUBG8tuuA
— SpokespersonNavy (@indiannavy) January 13, 2018
Map of search area where #SAR is currently in progress. Distance from tip of South Mumbai is 37Nm (~70kms) pic.twitter.com/OAqPDWT5EF
— SpokespersonNavy (@indiannavy) January 13, 2018
Pictures from @ONGC_ helicopter crash site👇
— Ashish Singh (@AshishSinghNews) January 13, 2018
38 Nautical Miles off Mumbai coast. The @indiannavy & @IndiaCoastGuard are on the job. 4 bodies so far. Search for the remaining 3 still on. Race against time. Just a couple hours away from the sunset. Tough time for the families. pic.twitter.com/y7P7ddc4fO
Bodies being airlfted by Pawan Hans helicopter from ONGC MSV HAL Anant to Juhu. Transfer in progress @DefenceMinIndia @nsitharaman @SpokespersonMoD @dpradhanbjp @airdefencenews
— SpokespersonNavy (@indiannavy) January 13, 2018
# SAR MumbaiHighOffshoreArea Latest update on the ongoing operation @DefenceMinIndia @nsitharaman @airdefencenews @SpokespersonMoD pic.twitter.com/6N5leCleID
— SpokespersonNavy (@indiannavy) January 14, 2018
After helicopter crash killing 7 persons, Pawan Hans to conduct organisational audit, India.https://t.co/xujk6mz0T6 via @economictimes
— Planes Of Legend (@PlanesOfLegend) 15 avril 2018
ONGC's Pawan Hans helicopter crash: Body of another crew member recovered during search operations. Parts of the helicopter like Rotor Blades, Main Gear Box, Tail Gear Box, both engines, Emergency Locator Transmitter (ELT) etc also recovered. pic.twitter.com/gahSi0JC4L
— ANI (@ANI) January 15, 2018
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Jan-2018 08:05 | gerard57 | Added |
| 13-Jan-2018 08:06 | harro | Updated [Aircraft type, Cn, Narrative] |
| 13-Jan-2018 08:21 | gerard57 | Updated [Location, Destination airport, Source, Damage, Narrative] |
| 13-Jan-2018 10:10 | Iceman 29 | Updated [Embed code, Narrative] |
| 13-Jan-2018 10:41 | Aerossurance | Updated [Time, Location, Nature, Destination airport, Embed code, Narrative] |
| 13-Jan-2018 10:43 | Aerossurance | Updated [Time, Total fatalities, Narrative] |
| 13-Jan-2018 10:52 | Aerossurance | Updated [Destination airport, Source, Narrative] |
| 13-Jan-2018 10:56 | Aerossurance | Updated [Source, Narrative] |
| 13-Jan-2018 12:15 | Iceman 29 | Updated [Embed code] |
| 13-Jan-2018 13:13 | gerard57 | Updated [Total fatalities, Source, Embed code, Narrative] |
| 13-Jan-2018 13:24 | Aerossurance | Updated [Time, Location, Nature, Destination airport, Narrative] |
| 13-Jan-2018 13:28 | Aerossurance | Updated [Narrative] |
| 13-Jan-2018 13:43 | Aerossurance | Updated [Narrative] |
| 13-Jan-2018 14:27 | Aerossurance | Updated [Total fatalities, Source, Narrative] |
| 13-Jan-2018 14:30 | Aerossurance | Updated [Destination airport, Source, Embed code] |
| 13-Jan-2018 14:32 | Aerossurance | Updated [Location, Departure airport, Embed code] |
| 13-Jan-2018 15:33 | Aerossurance | Updated [Source] |
| 13-Jan-2018 16:41 | Aerossurance | Updated [Narrative] |
| 14-Jan-2018 10:04 | Aerossurance | Updated [Total fatalities, Source, Narrative] |
| 14-Jan-2018 13:51 | Aerossurance | Updated [Embed code] |
| 14-Jan-2018 16:37 | Iceman 29 | Updated [Embed code, Photo, ] |
| 15-Jan-2018 08:18 | Aerossurance | Updated [Total fatalities, Narrative] |
| 15-Jan-2018 08:24 | Aerossurance | Updated [Source, Narrative] |
| 15-Jan-2018 08:27 | Aerossurance | Updated [Source, Narrative] |
| 16-Jan-2018 08:23 | Aerossurance | Updated [Narrative] |
| 18-Jan-2018 10:31 | Aerossurance | Updated [Source, Narrative] |
| 19-Jan-2018 05:56 | Iceman 29 | Updated [Embed code] |
| 19-Jan-2018 05:57 | Iceman 29 | Updated [Source, Embed code] |
| 24-Jan-2018 22:13 | Aerossurance | Updated [Source, Narrative] |
| 26-Feb-2018 13:30 | Aerossurance | Updated [Source, Narrative] |
| 15-Apr-2018 14:45 | Iceman 29 | Updated [Source, Embed code, Narrative] |
| 15-Apr-2018 14:50 | Iceman 29 | Updated [Embed code] |
| 05-Aug-2018 16:35 | Aerossurance | Updated [Source, Embed code, Narrative] |
| 03-Jan-2020 19:53 | Aerossurance | Updated [Departure airport, Source, Embed code, Narrative] |
| 03-Jan-2020 19:58 | Aerossurance | Updated [Narrative] |
| 03-Jan-2020 20:22 | Aerossurance | Updated [Source] |
| 24-Apr-2020 08:05 | Aerossurance | Updated [Source] |
| 03-Sep-2020 20:09 | harro | Updated [Narrative, Accident report, ] |
| 20-Jul-2022 19:48 | Aerossurance | Updated [Operator] |
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