Tassili Travail Aérien

Not to be confused with the former Tassili Airlines, now known as Domestic Airlines.
Tassili Travail Aérien
IATA ICAO Call sign
— TTA TASSILI WORK
Founded2011
Commenced operationsApril 2014
Operating basesHouari Boumedienne Airport
Oued Irara–Krim Belkacem Airport
DestinationsSpecialized Aerial Work
Parent companySonatrach
HeadquartersAlgiers, Algeria
Websitetassilitravailaerien.dz

Tassili Travail Aérien (TTA) is an Algerian aviation company specializing in aerial work and technical flight missions. Headquartered in Algiers, it is a wholly owned subsidiary of the state energy group Sonatrach.

The company serves as the primary tactical aviation provider for Algeria's oil and gas infrastructure, public health emergencies, and environmental protection. While its former parent company, Tassili Airlines (now known as Domestic Airlines), transitioned to Air Algérie in 2025 to handle scheduled domestic passenger travel, TTA was retained by Sonatrach to focus exclusively on industrial and utility operations.

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