The Flight Navigation Ruler integrates a built in aviation calculation tool, enabling to determine precise headings while minimizing manual errors during flight planning and execution for cockpit operations and flight simulations, this essential aviation calculation tool ensures accurate course adjustments during training or real time navigation tasks Designed for flight students mastering navigation basic and professional requiring tools, it ’ s equally suited for aviation schools and training programs with its design Crafted from, lightweight, this measuring instrument portability without compromising on strength for extended in flight use Its multifunctional design combines clear measurement scale with ergonomic handling, streamlining complex flight calculations into a single compact device for precisions, Manufacturer: Ywmsfl