The 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 comp...

The 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 com...

Refer to CR Computer Manual/Workbook a brilliant visual aid for quick references to private and commercial maneuvers. Features Shows you how to get the most from your CR Computers. Comprehensive and easy to use, the 96-page manual provides clear diagrams and over 640 practical problems (with solutions) to make you an expert i...