Navigation Plotters - Protractor - No
Navigation plotters should be in every pilot’s bag, ultralight or larger. It can be a useful tool in an event of emergency, but many pilots use aviation rulers on daily bases.
In this category you can choose pilot plotters which will give you confidence. They are a natural choice for a pilot, since they are cheap and can improve the safety of flight and can help you choose the best route.
Navigation Plotter, 6v1