OSLO (Reuters) - Lessors including AerCap and BOC Aviation are now the biggest shareholders in Norwegian Air after the budget carrier completed a debt restructuring and secured a long-sought credit guarantee from Norway's government.With most of its fleet grounded by coronavirus lockdowns, the company had said it would run out of cash in mid-May unless it accessed a 2.7 billion crown government aid package.Bondholders, lessors and shareholders recently agreed to a 12.7 billion crowns debt..