Bell 206 accident near Siriwo, Id, June 4, 2016
On June 4, 2016 at about 8:15 am local time, a Bell 206 (helicopter), registered PKUAF, was substantially damaged in an accident near Siriwo. 1 person was killed and 3 people were seriously injured.
The NTSB's probable cause their words, unchanged
The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- June 4, 2016 · about 8:15 am local time
- Place
- Siriwo, Indonesia · map
- Type
- Accident
- Injuries
- 1 person was killed and 3 people were seriously injured.
- Weather
- not recorded
- Aircraft
- Bell 206 L4 · all 206s on the register
- Registration
- PKUAF · no longer on the register · serial 52314
- Damage
- Substantial damage
- Flight
- Flight
The NTSB's narrative preliminary · quoted from the NTSB record
On June 4, 2016, about 0815 local time, a Bell 206 helicopter, registration PK-UAF, sustained substantial damage following collision with terrain near Siriwo, Indonesia. Reports indicate that there were 4 soles onboard the helicopter; 1 fatal, 3 serious. The accident is being investigated by the National Transportation Safety Committee (NTSC) of Indonesia. In accordance with ICAO Annex 13, the NTSB has appointed a U.S. Accredited Representative as the State of Manufacture and Design. All inquiries should be directed to the NTSC at the following: National Transportation Safety Committee Ministry of Transportation Building 3rd Floor Jl. Medan Merdeka Timur No. 5 Jakarta - INDONESIA www.dephub.go.id/knkt
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The factual record from the NTSB's investigation tables, in plain English
What happened, in order
- Unknown or undetermined during unknown defining event
The aircraft
- Landing gear: fixed
- Not recorded
Weather at the time
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flight crew | 1 | |||
| Passengers | 3 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.
Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.