Argentine Antarctica mainland. Argentina was the only nation to have an Antarctic base for 40 years until the British built a base on the same islands. Argentina bases its claims on this sector of Antarctica on the following grounds: Argentina's claim to the Antarctic Peninsula overlaps with the Antarctic claims of Chile, 53°W to 90°W, and the UK claims, 20°W to 80°W. Currently, there are no attempts by Argentina or any other country to enforce territorial claims in Antarctica. See List of Antarctic territorial claims. None of these claims have international recognition and have been suspended by the Antarctic Treaty in 1961.
Hobart International Airport entering the country. Due to the airport's southern location, Skytraders operates regular flights to Antarctica on behalf of the Australian Antarctic Division using an Airbus A319. Hobart International Airport was opened in 1956 and privatised in 1988. Occupying approximately of land, the airport is situated on a narrow peninsula. Take-offs and landings are inevitably directed over bodies of water regardless of approach or departure direction. The region immediately surrounding the airport remains largely unpopulated, which enables the airport to operate curfew-free services. In the 2010-11 financial year, the airport handled 1,903,000 passenger movements, making it the ninth busiest airport in