Pilots Irina Didenko, left, and Svetlana Gumbatova during the 49th open Russian helicopter sport championship in the Kurkachi airdrome, Tatarstan.

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Robinson-44 helicopters during the 49th open Russian helicopter sport championship in the Kurkachi airdrome, Tatarstan.

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Pilots Galina Karavayeva, left, and Anna Nadymova during the 49th open Russian helicopter sport championship in the Kurkachi airdrome, Tatarstan.

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Helicopters participating in the 49th open Russian helicopter sport championship in the Kurkachi airdrome, Tatarstan.

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A Mi-2 helicopter participating in the 49th open Russian helicopter sport championship in the Kurkachi airdrome, Tatarstan.

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A Mi-2 helicopter participating in the 49th open Russian helicopter sport championship in the Kurkachi airdrome, Tatarstan.

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Spectators during the 49th open Russian helicopter sport championship in the Kurkachi airdrome, Tatarstan.

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A Mi-2 helicopter participating in the 49th open Russian helicopter sport championship in the Kurkachi airdrome, Tatarstan.

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A Ka-226 helicopter participating in the 49th open Russian helicopter sport championship in the Kurkachi airdrome, Tatarstan.

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A Mi-2 helicopter participating in the 49th open Russian helicopter sport championship in the Kurkachi airdrome, Tatarstan.

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Helicopters participating in the 49th open Russian helicopter sport championship in the Kurkachi airdrome, Tatarstan.

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Helicopters participating in the 49th open Russian helicopter sport championship in the Kurkachi airdrome, Tatarstan.

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