Helicopter flies (fast):
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Helicopter engine malfunction signal
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Helicopter in flight
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Lands and flies away, A helicopter approaches
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Flies away, Helicopter whirls in place
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Fastening, unfastening the seat belt in a
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Helicopter lands, shuts down
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Helicopter approaching and landing
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Helicopter takes off
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Helicopter flies
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Helicopter whirls, flies past several times
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Helicopter starts
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Helicopter Warning System
★★★★★