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

Professional Flight Navigation Slide Rule CNP-2 with High Transparency

Sliding Plotter Ruler Designed for Efficient Aviation Navigation Tasks

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

Professional Flight Navigation Slide Rule CNP-2 with High Transparency

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

Lightweight ABS Slide Rule CNP-1 CNP-2 CNP-3 KCNP-1 for Aviation Education