PT6A Engines Make Record-Setting Twin Otter ‘King of the Antarctic Sky’ A heroic Kenn Borek crew from Calgary, Alberta, has completed its mission to fly two people working at the Amundsen-Scott Research Centre at the South Pole north to Punta Arenas, Chile, for medical attention. Kenn Borek’s Twin Otter aircraft, one of two deployed from Calgary for the mission, is
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