Canadian plane lands in Chile completing South Pole rescue mission

South Pole evacuees in Chilean hospital following daring rescue
WATCH ABOVE: Two Americans who became sick at the South Pole are now safely out of Antarctica and in a Chilean hospital thanks to the brave work of some Canadians. Dana Jacobson reports.

A Canadian-owned Twin Otter turboprop plane landed in Punta Arenas, Chile Wednesday evening, completing its South Pole rescue mission.

The plane, which left the Rothera earlier in the day, was carrying two sick workers from a remote U.S. science outpost.

WATCH: Antarctic evacuees arrive at hospital in Chile

Antarctic evacuees arrive at hospital in Chile
Antarctic evacuees arrive at hospital in Chile

The two patients will be transported to a local medical facility for treatment.

The workers had been brought to a British station on the edge of Antarctica by a crew in a second Canadian Twin Otter after they were picked up earlier at the Amundsen-Scott research post at the pole.

Both Twin Otter planes are owned by Calgary-based Kenn Borek Air.

READ MORE: Canadian plane lands at South Pole for medical evacuation

It was a nine to 10-hour flight, which the crew made from Rothera on Tuesday to get to the South Pole.

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West said earlier on Wednesday, while the plane was still in the air, that the flight was perilous.

“It’s cold. It’s very dark. It’s Antarctica, so they’re crossing a huge and empty territory. Antarctica itself is the size of the U.S. and Mexico combined, so there are many factors that they’re dealing with,” West said.

Once the sick patients and the crew – a pilot, co-pilot, flight engineer and medical worker – rest, they are to leave Antarctica for medical attention that could not be provided on the remote continent.

WATCH: Canadian planes are now en route to rescue sick workers at an Antarctic research station. It’s located in a place so remote, dark and cold that no one flies in our out this time of year and it’s so dangerous that rescue missions have only been attempted twice. Reid Fiest looks at what the pilots are up against. 

Canadian planes taking part in risky Antarctic rescue mission
Canadian planes taking part in risky Antarctic rescue mission

West said two support crew being airlifted out are employed by logistics contractor Lockheed Martin. The foundation, citing medical privacy, won’t identify the sick workers or their conditions.

Normally planes don’t use the polar outpost from February to October because of the dangers of flying in the pitch dark and cold. It was -60 C on Wednesday at the South Pole, according to the station’s webcam and weather gauges.

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The first day of winter in the Southern Hemisphere was Monday and the sun will not rise at the South Pole until the first day of spring in September.

The extreme cold affects a lot of things on planes, including fuel, which needs to be warmed before takeoff, batteries and hydraulics, West said. The Twin Otter can fly in temperatures as low as -75 C, he said.

READ MORE: 2 Canadian planes waiting to complete dangerous mission in ‘total darkness’ of Antarctic winter

“The air and Antarctica are unforgiving environments and punishes any slackness very hard,” said Tim Stockings, operations director at the British Antarctic Survey in London. “If you are complacent, it will bite you.”

“Things can change very quickly down there” with ice from clouds, high winds and snow, he said.

West said there is no tarmac at the South Pole station to land on, but there is a landing strip on the ice.

“All the ice shifts about 30 feet a year away from the pole because of the way the ice drifts, but the ski way is maintained in a constant location.

WATCH: The U.S. National Science Foundation says two Twin Otter planes from Calgary-based Kenn Borek Air will wait at a British station in the Antarctic until weather permits them to fly another 2,400 kilometres to the Amundsen-Scott South Pole Station to evacuate a seasonal employee. 
Calgary-based Kenn Borek Air may rescue second patient from South Pole
Calgary-based Kenn Borek Air may rescue second patient from South Pole

The foundation decided last week to mount the rescue operation because one staffer needed medical care that can’t be provided there. The station has a doctor, a physician’s assistant and is connected to doctors in the U.S. for consults, West said. There are 48 people – 39 men and nine women – at the station.

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There have been three emergency evacuations from the Amundsen-Scott station since 1999. The 1999 flight, which was done in Antarctic spring with slightly better conditions, rescued the station’s doctor, Jerri Nielsen, who had breast cancer and had been treating herself. Rescues were done in 2001 and 2003, both for gall-bladder problems.

WATCH: A Calgary-based airline successfully pulled off a daring three-day marathon rescue mission at the bottom of the world. As Tony Tighe reports, it was all done in extremely risky conditions.
Calgary’s Kenn Borek Air pulls off daring Antarctic rescue
Calgary’s Kenn Borek Air pulls off daring Antarctic rescue

Scientists have had a station at the South Pole since 1956. It does astronomy, physics and environmental science with telescopes, seismographs and instruments that monitor the atmosphere. The foundation runs two other science stations in Antarctica.

With files from Canadian Press, CHQR