Helicopter Trivia
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Helicopter Trivia
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0 | 1 | April 13, 2025 |
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Which Helicopter Holds the Altitude Record?
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0 | 1 | April 13, 2025 |
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What’s the Typical Rotor RPM of a Helicopter?
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0 | 1 | April 13, 2025 |
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What Was the First Mass-Produced Helicopter?
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0 | 1 | April 13, 2025 |