SkyJet Flyer is a regional subsidiary of MammothAir. This airline offers service in regional and domestic flights around Antarctica. The airline has two focus cities, Gemini International Airport and Polaris International Airport. The airline also has one main hub at South Pole City International Airport as well. The airline is operated by two other companies, SpiritAir and SkyUnion.The airline features on class, MammothDomestic, which is available on all flights.