Patent drawing of an aircraft attitude instrument, shown in cross-section and as a round dial with a pointer.
Aircraft attitude indicator, 1924 · About this drawing

Our work

Our role is to generate independent evidence, define safety-relevant signals, and translate technical realities into information that policymakers, institutions, and the public can act on. We do this in three ways.

Drawing: U.S. Patent 1,504,785 · Figures: FIG. 6, FIG. 5, and FIG. 15