CNN 's MainSail reporter Shirley Robertson is a double Olympic gold medalist . She has never sailed a big mast before this . Going up the mast is a dangerous job , but it is also a common necessity on any large yacht -- whether it be to check the rigging or complete a repair . She takes on the 250 ft mast aboard the racing yacht Salute .
CNN 's MainSail reporter Shirley Robertson is a double Olympic gold medalist . She has never sailed a big mast before this . She takes on the 250 ft mast aboard the racing yacht Salute .