The helicopter from a Chinese icebreaker has arrived to help evacuate passengers and crew from the stranded Akademik Shokalskiy ship.
Professor Chris Turney posted footage of the helicopter arriving on the group's YouTube account.
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Two other men missing on Scotland's hills this winter have yet to be found.
The decision was made after two Russian athletes failed drugs tests at the PyeongChang Games.
Sunday will be dry and largely sunny, although there will be some patchy cloud, mainly across eastern Scotland and eastern England.