| Hughes H-4 Hercules, familiarly |
Wall Street Journal |
14 Aug 2018 |
| Hughes H-4 Hercules, familiarly |
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| Largest flying boat ever built |
USA Today |
16 Oct 2016 |
| Aircraft that flew only once, in California |
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| Huge Hughes airplane |
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| Unexpected nickname of a Hughes Aircraft plane built mostly of birch |
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| Flying boat built by Hughes Aircraft |
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| Hughes Aircraft prototype |
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| Unexpected nickname of a Hughes Aircraft plane built mostly of birch |
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| Flying boat built by Hughes Aircraft |
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| Hughes Aircraft prototype |
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| Plane that flew only once |
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| Hughes' wooden plane |
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| Huge Hughes airplane |
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| Famed wooden flyer |
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| Attraction at the Evergreen Aviation Museum |
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| Memorable Hughes plane |
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| Hughes aircraft |
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| Howard Hughes's seaplane |
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