Navigation Slide Rule CNP-1 for Flight Planning and Course Calculation

CNP-2 Electronic Scale Slide Rule for Pilot Training and Paper Chart Navigation

CNP-1 Professional Flight Rule for VFR Navigation and Cross Country Planning

CNP-3 Navigation Instrument for Traditional Chart Based Flight Planning Methods

CNP-2 Electronic Scale Slide Rule for Pilot Training and Paper Chart Navigation

CNP-1 Navigation Slide Rule for Flight Training and Paper Chart Navigation