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transferred from ship to shore by small boats, barges, and
helicopters; a few stations have a basic wharf facility; US coastal
stations include McMurdo (77 51 S, 166 40 E), Palmer (64 43 S, 64 03
W); government use only except by permit (see Permit Office under
"Legal System"); all ships at port are subject to inspection in
accordance with Article 7, Antarctic Treaty; offshore anchorage is
sparse and intermittent

Airports:
there are no developed public access airports or landing
facilities; 30 stations, operated by 16 national governments party
to the Antarctic Treaty, have restricted 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; landed aircraft are
subject to inspection in accordance with Article 7, Antarctic Treaty
(2003 est.)

Airports - with unpaved runways:
total: 20
over 3,047 m: 6
2,438 to 3,047 m: 3
914 to 1,523 m: 4
under 914 m: 6 (2004 est.)
1,524 to 2,437 m: 1

Heliports:
27 stations have restricted helicopter landing facilities
(helipads) (2003 est.)

Military Antarctica

Military - note:
the Antarctic Treaty prohibits any measures of a military nature,
such as the establishment of military bases and fortifications, the
carrying out of military maneuvers, or the testing of any type of
weapon; it permits the use of military personnel or equipment for
sci