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n303wr: Whirlybirds
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n303wr: Vertol H-21
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n303wr: Piasecki/Vertol H-21
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n303wr: Vertol
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n303wr: Sabena Airlines helicopter service
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n303wr: Homebuilt helicopter
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n303wr: Sikorsky S-55
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n303wr: YR-4
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n303wr: On the deck of the USS Thetis Bay
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n303wr: Sikorsky Mojave
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n303wr: Hughes 300
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n303wr: Long Beach Air Force Base, CA
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n303wr: KMPC Radio
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n303wr: Los Angeles Airways
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n303wr: Vintage USMC helicopter
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n303wr: Sikorsky S-55
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n303wr: XH-26 JET JEEP
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sandy1618: SIOUX
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sandy1618: INCREDIBLY ANCIENT SIOUX HELICOPTERS SVN 1970
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sandy1618: SIOUX HELICOPTER.