Prior to exposing a human operator to new aircraft and aircraft systems, the "pilot" and the cockpit environment are normally "modeled" and analyzed through computer-aided 3-D applications, simulation and mock-ups to ensure that the pilot can perform all normal, abnormal and flight test procedures. The anthropometric computer modeling is then validated during actual flight tests by a group of selected test pilots. However if the anthropometric basis for the "human model" and the actual flight testers is inaccurate, these early risk reduction protocols are negated and may become a pre-condition for unsafe errors and acts during flight test as well as subsequent operations.
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