Bell 206 accident near Algiers, Dz, August 10, 2017
On August 10, 2017 at about 9:30 am local time, a Bell 206 (helicopter), registered N7TWUF, was substantially damaged in an accident during maneuvering near Algiers (Algiers airport). It was flown under non-U.S. commercial rules. 4 people were killed. The weather was visual conditions (good weather).
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
- August 10, 2017 · about 9:30 am local time
- Place
- Algiers, Algeria · Algiers · map
- Type
- Accident
- Injuries
- 4 people were killed.
- Weather
- visual conditions (good weather)
- Aircraft
- Bell 206 L3 · all 206s on the register
- Registration
- N7TWUF · no longer on the register
- Damage
- Substantial damage
- Flight
- Flight · non-U.S. commercial rules
The NTSB's narrative preliminary · quoted from the NTSB record
On August 10, 2017, about 0930 coordinated universal time, Bell 206L3 helicopter, Algerian registration 7T-WUF, was substantially damaged when it impacted terrain while maneuvering in Algiers, Algeria. The pilot and three passengers were fatally injured. The local aerial photography flight departed Algiers International Airport (DAAG), Algiers, Algeria, and was conducted under Algerian flight regulations.The Algerian Ministry of Transport, Civil Aviation Authority is investigating the accident. As the State of Manufacture and Design of the engine, the NTSB has appointed a US Accredited Representative under the provisions of ICAO Annex 13. All inquiries concerning this accident should be directed to: Ministère des Transports Direction de l'Aviation Civile et de la Météorologie 119, rue Didouche Mourad Alger, Algérie Tel.: (213) 2 74 06 81 Fax: (213) 2 74 76 14 This report is for informational purposes and contains only initial information provided by the Government of Algeria.
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
- Controlled flight into terrain or object (CFIT) during maneuvering defining event
Pilot
- Seat: unk
- Injury: fatal
The aircraft
- Landing gear: fixed
- Engine: Rolle Royce 250 Series (turboshaft); 0 hours total
- Fire on the ground
- Operator: Tassili Airlines
The flight
- Departed from: DAAG Algiers
- Destination: DAAG Algiers
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 NTSB has not released the docket for this case yet. The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), is usually released when the investigation is nearly complete, and the list here is refreshed when it appears. Check 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.