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

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

This was stored in any aircraft of the US Army Air Force or US Navy that may fly over water

as used in US Navy aircraft during WWII

“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

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

including airships and rotary craft

The purpose of the upright bracket is unknown

as well as on some US Navy PT Boats

published by the Technical Air Intelligence Center of the US Navy

and a recording base

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

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

It indicated outside air temperature from -45deg to +45deg C