# NTSB WPR11WA476: Bell 412SP, Mataram, West Nusa, Indonesia, September 25, 2011

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Foreign investigation
- Date: September 25, 2011, 05:41 local (05:41 UTC)
- Place: Mataram, West Nusa, Indonesia
- Coordinates: -8.899999, 117.386108
- Nearby events: https://openairdocs.org/map.md?lat=-8.9000&lon=117.3861&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute-cruise: Unknown or undetermined](https://openairdocs.org/ntsb-events/000)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Led by another country's authority
- NTSB office: Western Pacific Region
- Lead agency: Other
- NTSB case key (mKey): 81946
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=WPR11WA476
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/81946/pdf
- Page: https://openairdocs.org/ntsb/WPR11WA476

## Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event best describes what happened.

- [Enroute-cruise: Unknown or undetermined](https://openairdocs.org/ntsb-events/000) (defining event); cases with it: [All aircraft, 1,703 cases](https://openairdocs.org/ntsb-events/000/sequence.md)

## Factual narrative

On September 25, 2011, at 1341 local time (0541 UTC) a Bell Helicopter 412SP, Indonesia registry PK-OVC, crashed in a jungle under unknown circumstances 150 kilometers east of Selaparang Airport, Mataram, West Nusa Tenggara, Indonesia. The Helicopter was operated by PT Airfast Indonesia under the pertinent provisions of the Indonesia Civil Aviation Regulations and was on a cargo flight. The helicopter sustained substantial damage and both crew members were fatally injured. The flight originated at Dodo Camp Airport and was destined for Lemurung Camp. This report is for informational purposes and only contains information released by the government of Indonesia. The accident is under the jurisdiction of, and is being investigated by, the National Transportation Safety Committee (NTSC) of the government of Indonesia. Any further information can be obtained by contacting the NTSC: Ministry of Transportation Building, 3rd Floor Jl. Medan Merdeka Timur No. 5 Jakarta, Indonesia Telephone 62 21 3517606 Facsimile 62 21 3517606 www.dephub.go.id/knkt Email knkt@dephub.go.id

## Aircraft

- Registration: PK-OVC (not matched to a registry record)
- Reported make and model: BELL 412SP
- Category: Helicopter
- Serial number: 34019
- Damage: Substantial damage
- Flight: Non-U.S., commercial
- Operator: PT Airfast Indonesia
- Registered owner: RCR Aviation Limited
- Departed: Dodo Camp
- Destination: Lemurung Camp
- Flight plan: Unknown

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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