Helicopter approaching and landing:
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The helicopter starts and takes off
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Helicopter shuts down
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Helicopter expects jammed
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Helicopter flies (fast)
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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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Flies past several times, Helicopter whirls
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Helicopter lands, shuts down
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Helicopter approaching and hovering
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Helicopter flies slowly
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Helicopter flies away
★★★★★