Chart Plotting Board Mark-7 US Navy MIL-B-5046A PZL The glass has a slight

The glass has a slight haze but could be opened and cleaned

“Radio Set AN/ APN-2 is an airborne radar interrogator / responder of the "Rebecca" type that will enable an aircraft to home on ground radar beacons of the "Eureka" type such as AN/PPN-1 and AN/PPN-2 and the heavier beacons

It is in fine but 'experienced' condition for its age

Comes in the original Luxor-Airex aluminum carrying case that has raised letters and logo on the top

Chart Plotting Board Mark-7 US Navy MIL-B-5046A PZL The glass has a slightThis 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