Alterra Mountain, a ski resort operator, completed the acquisition of Mike Wiegele Helicopter Skiing, a helicopter tour agency. Financial terms were not disclosed. “With the acquisition of Mike Wiegele Helicopter Skiing, we are excited to add another premier heli-skiing operation to the Alterra family. We intend to continue the legacy that Mike Wiegele and his family built that helped set the standard for the extraordinary guest and employee experiences, which directly aligns with our values at Alterra,” Jared Smith, Alterra Mountain Company President & CEO.