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When flying over the Arctic, planes typically fly at altitudes around 29,000 feet (8,800 meters) to prevent fuel from freezing in the extremely cold temperatures, which is a primary safety concern in that region; this means they may fly slightly lower than usual flight altitudes over other parts of the world.

Arctic

starette

11,000 feet

29,000 feet

Planes flying over Antarctica typically fly at altitudes around 11,000 feet (3,350 meters), depending on the specific route, weather conditions, and aircraft type, with flights to the South Pole often reaching this height to navigate the terrain and extreme temperatures.

“...States flew from New McMurdo Sound on Dec. 20,

1955, and made exploratory flights over unknown parts of the continent until Jan. 18, 1956, when they

returned to New Zealand. These flights proved the inland areas to be featureless in character, with a

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dome 13,000 feet high at about latitude 80°S., longitude 90°E. New mountain ranges were located

at about latitude 85°S., longitude 50°W., reaffirming the observation made by Ronne in 1947 that the

49

Antarctic continent is a single unit. Leaving 73 men to winter at Kainan Bay and 93 men at Hut Point, all

vessels of the task force departed from the Antarctic by the end of March 1956. The last to leave was the

U.S.S. Glacier...”🙏