Multifunctional aviation tool: The E6B flight computer is an indispensable circular slide rule used by pilots for flight planning calculations, including fuel consumption and en route adjustments. Easy onehanded operation: Its compact design allows for effortless onehanded use during both training and real flights. This practicality sets it apart from bulkier electronic alternatives. Accurate inflight calculations: The E6B is designed to provide precise calculations of ground speed and estimated fuel consumption while flying, giving pilots vital information throughout the flight. Sturdy and lightweight: Constructed from plastic and metal materials, this flight ruler withstands wear while remaining lightweight enough for easy handling during flights or training drills. Use scenarios Preflight planning: Use the E6B to perform fuel planning and en route adjustment calculations as part of the departure readiness process. Inflight reference: While en route, rely on the E6B to estimate ground speed and fuel burn to support timely decision making and speed or heading adjustments. Training and drills: Practice core aviation calculations with the tool to build proficiency in flight planning, fuel estimation, and speed assessment.