0:16
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Helicopter moving in from a distance from left to right, with a throb.
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0:22
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Helicopter moving in from a distance with a choppy hovering.
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0:42
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Helicopter drone moving in from a distance with a hover, and faint insects in the background.
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0:17
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Helicopter drone moving in from a distance with a hover, and faint insects in the background.
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0:16
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Small drone hovering - high pitched whir, wandering. (2)
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0:59
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Small drone hovering - high pitched whir, wandering. (1)
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2:31
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City, residential area - traffic, helicopter flyover.
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4:35
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RC helicopter - long fly around, pass-bys, propeller whir.
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0:11
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Low frequency helicopter blade sweetener - sub pulse. (9)
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0:09
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Low frequency helicopter blade sweetener - sub pulse. (8)
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0:08
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Low frequency helicopter blade sweetener - sub pulse. (7)
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0:16
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Low frequency helicopter blade sweetener - sub pulse. (6)
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0:23
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Low frequency helicopter blade sweetener - sub pulse. (5)
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0:03
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Low frequency helicopter blade sweetener - sub pulse. (4)
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0:10
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Low frequency helicopter blade sweetener - sub pulse. (2)
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0:13
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Low frequency helicopter blade sweetener - sub pulse. (1)
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0:45
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Le Mans car race - large group pass-by, long, background helicopter.
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0:30
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Le Mans car race - background helicopter, down shifts, multiple pass-bys, distant. (1)
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0:30
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Le Mans car race - background helicopter, down shifts, multiple pass-bys, medium. (1)
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0:15
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Police helicopter flying overhead (2).
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