Jeppesen CR Circular Computers offer solid construction and proven performance. Whether you're solving wind triangles, polar grid navigation or pressure pattern flying, CR Computers prove their value and versatility every day.  Useful in high and low speed problems.  They automatically compensate for temperature rise and compressibility factors.  Instruction manual and vinyl carrying case are included with each.

6" Diameter

Old Jeppesen Number: JS514237
New Jeppesen Number: 10001294