Solving all of your low and high-speed problems is a cinch with the help of our heavy-duty Metal CSG Flight Computer. It quickly calculates time, speed and distance problems, density altitude, true airspeed, wind correction angles, and countless other solutions. A must-have for FAA written tests and when planning and flying cross-country trips.Reengineered to provide higher quality and smoother operation. It is crafted of non-glare Teflon coated metal to be counted on for its durability and accuracy. Includes an instruction manual and carry case.