| 21. | The aircraft was shown to have been airworthy on departure from Croydon.
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| 22. | What other airworthy examples of this aircraft remained after WWII?
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| 23. | The sole example still exists, though neither airworthy nor on display.
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| 24. | "These are certified airworthy aircraft,"
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| 25. | U . S . technicians had examined the plane and declared it airworthy.
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| 26. | As of May 2015, ten aircraft remain airworthy.
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| 27. | As with aircraft, hot air balloons require regular maintenance to remain airworthy.
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| 28. | In 1943 the five airworthy aircraft were shipped back to the United Kingdom.
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| 29. | The last remaining airworthy Sea Vixen ( XP924 ) was a D3 conversion.
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| 30. | The aircraft had not been classified as being airworthy.
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