Tassili Airlines Bell 206 L3 accident
Bell 206 L3 · Accident: controlled flight into terrain/object (CFIT) while maneuvering
From Houari Boumediene Airport (DAAG) to Houari Boumediene Airport (DAAG)
Event
- NTSB case
- ERA17WA273
- Event typeAccident: someone killed or seriously injured, or the aircraft substantially damaged (NTSB definition). Incident: an occurrence that affected or could have affected safety, short of that. Glossary
- Accident
- InvestigationHow far the investigation had got when the record was published: preliminary, ongoing, final or completed. Unknown where the source does not say. Glossary
- Unknown · led by another country; figures from NTSB notifications
- API-reported fatalities
- 4 · all aircraft and ground
- Ground fatalities
- Unknown
- OperationWhat kind of flying it was, grouped by the rules it flew under: airline (US Part 121), air taxi and commuter (Part 135), general aviation (Part 91 and similar), military or government. Glossary
- Charter & commuter
- WeatherVisual meteorological conditions (VMC): good enough to fly by looking outside. Instrument conditions (IMC): cloud or low visibility, flying by instruments. Glossary
- Visual Meteorological Cond
Bell 206 L3
- Aircraft type
- Bell 206
- Category
- Helicopter
- RegistrationThe aircraft's tail number, such as N12345 or G-ABCD. Registrations are reissued, so the same one years apart can be a different aircraft. Glossary
- 7T-WUF
- Operator
- Tassili Airlines
- Onboard fatalities
- Unknown
- Route
- From Houari Boumediene Airport (DAAG), AlgiersTo Houari Boumediene Airport (DAAG), Algiers
- Aircraft age
- Not recorded
- Flight rulesThe regulations the flight operated under: in the US, Part 91 (general aviation), Part 121 (airlines), Part 135 (air taxi and commuter) and others; for flights abroad, the NTSB's coarser commercial or non-commercial code. Glossary
- Non-U.S., Commercial
- Phase of flightThe stage of the flight when things started to go wrong: standing, taxi, takeoff, initial climb, en route, maneuvering, approach or landing. Glossary
- Maneuvering
- Defining eventThe single coded event the NTSB judges best describes what happened (records from 2008 on). Older records name the first occurrence in the sequence instead. Glossary
- Controlled flight into terrain/object (CFIT)
- DamageDestroyed: beyond practical repair. Substantial: damage that affects the structure, performance or handling and normally needs major repair. Minor: less than that. Glossary
- Substantial
Cause areas
No findings designated as a cause are recorded in the NTSB data yet.
Approximate · Coordinates as recorded by the NTSB; no uncertainty radius is established.
NTSB narrative
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.
Verbatim NTSB factual narrative from the NTSB dataset
Sources
NTSB record ERA17WA273
- Event ID
- 20170812X42809
- Case number
- ERA17WA273
- Dataset
- full-current
- Source SHA-256
- 5cf380f0061817c0331a6b2d8cc7e0ee3a79bea469a1001dc5c10e56f35f5ab3
Source notes (4)
- Unreviewed is an editorial label, not an investigation status. API-sourced is not report-checked or human-reviewed. Explicit event totals are used without summing aircraft injury tables; onboard allocation is withheld. Unknown values remain unknown. The operation category is mapped from the NTSB-reported FAR part and has not been reviewed.
- No bulk values were replaced by the NTSB case API.
- The date is the local date, which is the same as the UTC date the NTSB stores.
- API snapshot SHA-256: bd28e9b5e7fd17bf3ed43858cf667a19f4fb6e47f8f7217539f1d1b2088aa490; retrieved 2026-09-15T06:13:01.901Z.