CNP-2 Slide Rule Designed for Manual Navigation Tasks on Standard Flight Charts

CNP-2 Aviation Navigation Slide Rule with Temperature Stability 40C to 120C

Professional Flight Navigation Slide Rule CNP-2 with High Transparency

CNP-2 Flight Navigation Slide Rule with Angle Distance Scale Conversion Tool

CNP-2 Transparent Plastic Navigation Slide Rule for Pilot Chart Interpretation

CNP-2 Transparent Navigation Slide Rule for Flight Schools and Ground Training