Some cosmetic scratching and imperfections, but all labels and graphics look amazing considering the age. The module was used in training versions of pursuit aircraft with instrument flying hoods installed, such as the P-40. Pitot-statically-driven as evidenced by its rear ports marked S (static pressure) and P (pitot pressure), the unit would automatically release the instrument flying hood when the aircraft approaches airspeed limits, lower or upper from 100-400 MPH, which could lead to a stall, as set by the pilot, or by the ground crew pre-flight. This gaugel would make an ...
