Flight’s diversion key issue in crash inquiry, NTSB says

Why Butte? Of the many unanswered questions surrounding a weekend plane crash that killed the pilot and three families headed for a Montana ski vacation, the first one investigators are examining is why the pilot asked for permission to land in Butte, about 80 miles short of their planned destination, the National Transportation Safety Board said Tuesday. “It’s a question,” Mark Rosenker, the NTSB’s acting chairman, told reporters.