ASN Wikibase Occurrence # 209596
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| Date: | Friday 20 April 2018 |
| Time: | 09:35 LT |
| Type: |  Bell 429 GlobalRanger |
| Owner/operator: | White Sky Aviation |
| Registration: | PK-WSX |
| MSN: | 57186 |
| Year of manufacture: | 2014 |
| Total airframe hrs: | 307 hours |
| Fatalities: | Fatalities: 0 / Occupants: 8 |
| Other fatalities: | 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Morowali, Kendari, Sulawesi -
 Indonesia
|
| Phase: | Approach |
| Nature: | Passenger - Non-Scheduled/charter/Air Taxi |
| Departure airport: | Morowali Industrial Park. |
| Kendari Airport | |
| Investigating agency: | NTSC |
| Confidence Rating: |  Accident investigation report completed and information captured |
The helicopter crashed as it tried to return to the helipad. There were no fatalities of serious injuries to those on board. One person on the ground died after being struck by rotor debris. Operated under contract to IMIP - PT Indonesia Morowali Industrial Park.
At about one minute after take-off, at altitude approximately 600 feet, the pilot noticed one of the Engine Control Unit (ECU) failed. The pilot and the engineer discussed to determine which ECU had failed. The pilot decided to return to the helipad. The pilot selected one of the throttles to manual and afterward the altitude and the speed decreased. The pilot attempted to recover by manipulating the collective, throttle and cyclic, however the altitude and speed could not be recovered.
The operator utilized a quick reference handbook (QRH) that was derived from the manufacture manual but a "significant part was missing from the QRH" according to accident investigators.
Contributing Factors
"The lack of experience related to the handling of EEC failure and QRH reading might led to the failure of the pilot to identify the failure of the EEC, resulted in the main rotor (NR) RPM to drop below 95% which could not withstand the helicopter in the air."
Accident investigation:
 |
|
Sources:
http://web.archive.org/web/20180420090744/https://elshinta.com/news/143475/2018/04/20/kecelakaan-pesawat-rotary-wing-di-kendari
http://rri.co.id/post/berita/517300/nasional/pesawat_operator_whitesky_jatuh_di_kawasan_pertambangan_kendari.html
http://www.en.netralnews.com/news/currentnews/read/20440/helicopter.owned.by.pt.imip.falls.in.morowali
https://tech2.org/indonesia/helicopter-owned-by-pt-imip-falls-in-morowali-a-murdered-employee/
http://knkt.dephub.go.id/knkt/ntsc_aviation/baru/pre/2018/2018%20-%20010%20-%20PK-WSX%20Preliminary%20Report.pdf
___________________
https://www.helis.com/database/cn/43517/
Location
Media:
Inna lillahi wa inna illaihiraji'un
— Paman DOBLANG (@lukmanlareo) 20 avril 2018
Pagi tadi Helycopter prusahaan tambang nickel PT IMIP jatuh ddaerah dekat pertambangan dbahodopi,kab.MOROWALI. Sulawesi Tengah ... pic.twitter.com/vVbWoHPO2r
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Apr-2018 06:51 | gerard57 | Added |
| 20-Apr-2018 07:00 | gerard57 | Updated [Destination airport, Source, Narrative] |
| 20-Apr-2018 07:04 | gerard57 | Updated [Time, Operator, Other fatalities, Location, Source, Narrative] |
| 20-Apr-2018 08:30 | Iceman 29 | Updated [Embed code] |
| 20-Apr-2018 08:35 | Iceman 29 | Updated [Time, Aircraft type, Cn, Source, Embed code, Narrative] |
| 20-Apr-2018 08:39 | Iceman 29 | Updated [Operator] |
| 20-Apr-2018 09:18 | Dmitry | Updated [Aircraft type, Source, Embed code] |
| 20-Apr-2018 09:19 | harro | Updated [Aircraft type, Cn] |
| 20-Apr-2018 13:37 | Iceman 29 | Updated [Operator, Source] |
| 20-Apr-2018 18:44 | Aerossurance | Updated [Time, Operator, Phase, Nature, Departure airport, Source, Narrative] |
| 06-Aug-2018 12:47 | Aerossurance | Updated [Source, Narrative] |
| 12-Nov-2023 20:07 | harro | Updated [Accident report] |
| 12-Nov-2023 20:08 | harro | Updated [Category] |
| 12-Nov-2023 20:11 | harro | Updated [[Category]] |
Corrections or additions? ... Edit this accident description
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