Fastening, unfastening seat belts in an airplane:
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A single-rotor aircraft travels slowly,
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Single-rotor aircraft starting
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Airplane span high in the sky
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A single-rotor aircraft flies past (fast)
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Turboprop aircraft flies overhead
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Passenger aircraft starts
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Twin-screw airplane takes off
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Jet fighter, bomber flies by
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Negotiations with the dispatcher in the
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Single-rotor aircraft will not start
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A single-rotor aircraft travels along the
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Aircraft Warning System
★★★★★