Its multifunctional design combines clear measurement scale with ergonomic handling , streamlining complex flight calculations into a single compact device for precisions 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 Designed for flight students mastering navigation basic and professional requiring tools , it ’ s equally suited for aviation schools and training programs with its design for cockpit operations and flight simulations , this essential aviation calculation tool ensures accurate course adjustments during training or real time navigation tasks Crafted from , lightweight , this measuring instrument portability without compromising on strength for extended in flight use, Manufacturer: Greabuy