OJSC "SAT Airlines — Sakhalinskie Aviatrassy" (Russian: Сахалинские Авиатрассы), commonly known as SAT Airlines, was an airline based in Sakhalin, Russia. It provided scheduled regional air services in Russia's Far East and to destinations in China, South Korea and Japan. Other services included charter flights, search and rescue operations, firefighting and aerial patrols. Its main base was Yuzhno-Sakhalinsk Airport.
The airline was amalgamated with Vladivostok Air to form new carrier Aurora in October 2013, the new company retained SAT Airlines IATA and ICAO codes.
The Joint Stock Company, Sakhalinskie Aviatrassy — SAT Airlines was established as a result of the reorganisation of the Sakhalin United Detachment. It was established and started operations on 20 April 1992. It was owned 100% by the Government of the Russian Federation. It employed 574 staff.