Twin Jet is a French regional airline founded in 2001, operating scheduled and charter passenger services across France and parts of Europe. The carrier focuses on serving smaller regional routes, often linking regional French cities with major hubs and providing connectivity to destinations with limited air access. The airline is headquartered in Marseille, France, and has built a niche in operating turboprop aircraft suited to shorter regional routes. Twin Jet has historically operated routes on behalf of regional authorities and under public service obligation (PSO) contracts, which are common in France for maintaining air links to remote or underserved communities. With a relatively small fleet, Twin Jet emphasizes flexibility and regional connectivity rather than high-volume operations. The airline holds an IATA code of T7 and ICAO designator TJT, operating under the callsign TWINJET.