Description
Whether you are solving wind triangle problems, polar grid navigation or pressure pattern flying they will prove their usefulness and versatility constantly. Useful in high and low speed problems they automatically compensate for temperature rise and compressibility factors.
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Standard version 4 1/4″ diameter
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The original standard issue circular slide rule for pilots
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Solid construction with performance and durability
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Essential equipment for anybody sitting flight crew exams
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Includes vinyl protective case
