CNP-1 Chart Navigation Tool for Pilots Students and Aviation Enthusiasts

Navigation Slide Rule CNP-1 Designed for High Altitude Humid Environments

CNP-1 Chart Navigation Tool for Pilots Students and Aviation Enthusiasts

CNP-3 Slide Rule for Aeronautical Chart Measurement and Scale Conversion Tasks

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

CNP-2 Slide Rule for Manual Navigation on VFR and IFR Aeronautical Charts

Lightweight Plastic Aviation Plotter with Easy Controls for Student Pilots