E6B Plotter Metal Aviation Slide Rule Graphic Flight Computer KNMP-1

E6B Plotter Metal Aviation Slide Rule Graphic Flight Computer KNMP-1 Description: Heavy duty metal construction assures long life, high accuracy and enduring quality. Solves low and high speed problems. Non - glare finish. Complete with instruction manual and carrying case. This E6B computer features a wind component grid and comprehensive crosswind correction chart, and on the other side the slide computers time, speed, distance, altitude, true airspeed, and density altitute