Headquarters: Avenida Infante D Henrique 55-4, Ponta Delgada, São Miguel Portugal 9504-528
Formerly known as SATA International, Azores Airlines (S4) is a subsidiary of SATA Air Açores that is based in São Sebastião, Ponta Delgada, in the Azores, Portugal. Founded in 1990, the airline operates from a hub at João Paulo II Airport (PDL). Lisbon Portela Airport (LIS) is a focus city. SATA International flies to about 25 destinations and seven countries in Africa, Europe and North America. The carrier's fleet of nine aircraft has three Airbus A310-300, three Airbus A320-200 and one Airbus A330-200. Each plane features both Business Class and Economy Class seating.