note: 27 stations, operated by 16 national governments party to the Antarctic Treaty, have aircraft landing facilities for either helicopters and/or fixed-wing aircraft; commercial enterprises operate two additional aircraft landing facilities; helicopter pads are available at 27 stations; runways at 15 locations are gravel, sea-ice, blue-ice, or compacted snow suitable for landing wheeled, fixed-wing aircraft; of these, 1 is greater than 3 km in length, 6 are between 2 km and 3 km in length, 3 are between 1 km and 2 km in length, 3 are less than 1 km in length, and 2 are of unknown length; snow surface skiways, limited to use by ski-equipped, fixed-wing aircraft, are available at another 15 locations; of these, 4 are greater than 3 km in length, 3 are between 2 km and 3 km in length, 2 are between 1 km and 2 km in length, 2 are less than 1 km in length, and 4 are of unknown length; aircraft landing facilities generally subject to severe restrictions and limitations resulting from extreme seasonal and geographic conditions; aircraft landing facilities do not meet ICAO standards; advance approval from the respective governmental or nongovernmental operating organization required for landing (2001 est.)
Antigua and Barbuda:
3 (2000 est.)
Argentina:
1,359 (2000 est.)
Armenia:
7 (2000 est.)
Aruba:
1 (2000 est.)
Australia:
411 (2000 est.)
Austria:
55 (2000 est.)
Azerbaijan:
52 (2000 est.)
Bahamas, The:
65 (2000 est.)
Bahrain:
3 (2000 est.)