Jeppesen CR-3 Computer
Larger version 6" Diameter The original standard issue circular slide rule for pilots We highly recommend this version for all flight crew exams Due to its larger easier to read numbers it gives the user increased accuracy. Solid construction with performance and durability Essential equipment for anybody sitting flight crew exams Includes a free vinyl protective case ! 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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