CR4 Circular Computer 4.25"

Jeppesen CR4

Jeppesen CR Circular Flight 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.

CR-4 Diameter: 4.25"

Included with each CR Computer is a vinyl carrying case.