Its last known position was about 390 nautical miles from Punta Arenas and 280 nautical miles from the Antarctic base, according to the Air Force. There were 17 crew members and 21 other passengers on board, who were on their way to perform "logistical support tasks" such as repairing the floating oil pipeline that provides fuel for the base, said the Air Force. In addition to crew members, the plane was also carrying personnel from the armed forces, an engineering firm, and the University of Magallanes. After the plane lost contact, the Air Force declared a state of alert and...