Museum housing Howard Hughes ' giant seaplane is part of an investigation . Agency spokesman Michael Kron said the investigation was sparked by `` people who were concerned about financial transactions by Evergreen . '' Museum says it 's financially viable and has no plans to close . Built in the 1940s , Spruce Goose still has the world 's widest wingspan . Comment:
Museum housing Howard Hughes ' giant seaplane is part of an investigation . Museum says it 's financially viable and has no plans to close . Built in the 1940s , Spruce Goose still has the world 's widest wingspan . Comment: