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Chart Plotting Board Mark-7 US Navy MIL-B-5046A


Chart Plotting Board Mark-7 US Navy MIL-B-5046A


This is an authentic US Navy pilot's Chart Plotting Knee Board Mark-7 (MIL-B-5046A), likely 1950's to Vietnam War era. 

This is a pretty impressive kit.  Likely designed for a jet aircraft (note fuel is measured in lbs), this 9.5 x 7 x 1 inch device included the flight computer on the face with a rotating card for determining the critical factors impacting the planned flight. By depressing a button in the lower right corner, the top flips open to reveal 5 acetate map sleeves, clips for two pencils (one is in place), a navigational ruler, and a battery compartment used to power a lamp to illuminate the maps and backlight the flight computer.  On the side are an integrated pencil sharpener and a rheostat knob to adjust illumination.   Affixed to the bottom is a knee strap with buckle.

It is in very good condition given its age. 

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