Argentine Antarctica observatory, where he also worked a post office was installed. Civil (employee of the Argentine company official post and telegraph) Hugo Alberto Acuna accounted hoist for the first time in an official way the flag of Argentina on the Argentine Antarctic sector, on 22 February 1904. Such an observatory became the Orcadas Base the oldest existing today across the Antarctic territory permanent human settlement. The Argentine corvette ARA Uruguay returned to Antarctica in 1905 (sailed from the port of Buenos Aires on 10 December 1904) to relieve staffing of the South Orkney and refer to Deception Island and Wiencke Island
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