Sometimes the simplest methods are the most effective. When it comes to VFR cross-country planning, it's hard to go wrong with this time-tested Fixed Plotter from ASA. Constructed of durable, transparent plastic, this flight planning tool features scales for sectional, WAC, and Terminal Area (TAC) VFR aeronautical charts. Both nautical and statute mile measurements are included. In addition to distance measurement, the plotter is also a fundamental instrument for determining your true course (TC) of flight. A low-cost, must-have flight planning tool that's approved by the Office of Weights and Measures.
It was for my son, and he is getting great advantage of if in his studies.
Basic material for VFR Flying, Pilot Mall are Fast and Reliable