Its multi-function design combines a clear measuring scale with ergonomic maneuverability to optimize complex flight calculations into a single compact device for increased accuracy An essential aviation calculator tool for cockpit operation and flight simulation ensures accurate course adjustment during training and real-time navigation tasks The Flight Navigation Ruler incorporates a built-in aeronautical calculator tool, allowing you to determine accurate ahead orientation while minimizing manual errors during flight planning and run This measuring instrument is lightweight and portable without losing strength for extended use during flight Designed for aviation students who acquire basic navigation tools and tools that require professionals, the design makes them equally suitable for aviation schools and training programs, Manufacturer: Uitndvyte