Air navigatio plotter-protractor (NSN 6605-00-016-6315)
Description
Plastic polyurethane elastomer material.
Scale Calibration
0 to 13 every 0.10 nautical mile for 1: 20.000, 1: 40.000, 1: 80.000 scales; 0 to 360 every degree for two quater circle and one semi-circular protractor course and bearing scales
