Jeppesen CR-3 Circular Flight Computer
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The CR-3 Circular Computer will assist you in everything from solving wind triangles, to polar grid navigation and pressure pattern flying. Useful in high or low speed problems. Automatically compensates for temperature rise and compressibility factors. Includes an instruction manual and vinyl carry case. 6 inch diameter.
Solves high- and low-speed problems
Automatically compensates for temperature rise
Takes compressibility factors into account