CNP-2 Navigation Tool for Pilots with Stable Performance Wide Temp Range

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

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

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

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

Professional Flight Navigation Slide Rule CNP-2 with High Transparency

CNP-3 Professional Pilot Tool for Dead Reckoning and Wind Triangle Calculations