SOL S.A. Líneas Aéreas was an Argentine airline founded in 2005, and operating since August 2006 pursuant to an agreement between Transatlántica Group and the government of Santa Fe Province, who sought to improve air connections between the cities of Córdoba and Santa Fe. It had its headquarters in Rosario. It filed for bankruptcy and ceased operation in January 2016.

At the time of closure, the airline's fleet was made up of Saab 340 A/B and Bombardier CRJ200 aircraft.

As of November 2013^[update], Horacio Gabriel Angeli held the company's chief executive and president positions.

Sol Líneas Aéreas served the following destinations throughout its history:

At time of shutdown:

In 2015, the airline took delivery of the first of 6 CRJ200 aircraft (leased from Air Nostrum) that were to enter service from October 2015.

18 May 2011: Flight 5428, a 1985-built Saab 340A, tail number LV-CEJ, operating a scheduled domestic Córdoba–Mendoza–Neuquén–Comodoro Rivadavia passenger service, crashed in Prahuaniyeu, 25 kilometres (16 mi) south-west of Los Menucos, in Río Negro Province, Argentina, while en route the last leg, following several distress calls made by the pilots. All 22 occupants of the aircraft, of whom 19 were passengers, perished in the accident. The cause of the accident is yet to be determined, although ice accumulation on the aircraft wings is believed to have been a factor.

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