Jeppesen Sanderson Flight Computer E6B Metal Navigation Slide Rule Wind Grid Jeppesen Sanderson Flight Computer E6B circular slide rule and wind grid provides essential calculations for pilots and aviation enthusiasts. This vintage-style mechanical analog computer features a rotating circular dial for time, speed, distance, and fuel consumption calculations on one side, with a sliding wind grid for course and ground speed corrections on the reverse. Constructed from durable metal with clear, high-contrast black and white markings, it remains a reliable backup tool for flight planning and navigation. Brand: Jeppesen Sanderson Type: Flight Computer / E6B Material: Metal Color: Silver / Black Function: Navigation / Calculation Design: Circular Slide Rule Reverse: Wind Grid Slide Scale: Nautical & Statue Miles Units: Liters, Gallons, Pounds, Kilograms Origin: Made in USA Measurements: • Length: 9.75" • Width: 4.75" Keywords: Pilot Gear, Aviation Tool, Dead Reckoning, Flight Pla #Retro