Seat Experiment Results of Full-Scale Transport Aircraft Controlled Impact Demonstration

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Seat Experiment Results of Full-Scale Transport Aircraft Controlled Impact Demonstration

M. R. Cannon / R. E. Zimmermann

This report describes the results of the Federal Aviation Administration (FAA) seat experiments tested in the joint FAA/NASA Controlled Impact Demonstration (CID). Twenty-three seats were placed on the test aircraft. Thirteen seats were modifications of existing transport seats which were designed structurally to improve their crashworthiness. The remaining experiments were unmodified standard seats which included seven light and heavy-weight forward-facing seats, two aft-facing seats, and one flight attendant seat. Three additional seat experiments were placed onboard the test aircraft: two by NASA, and one by a private contractor. Onboard instrumentation was placed at specific locations to obtain data pertaining to airframe structural loads and seat/occupant response. Accelerometers were attached to the airframe and floor structure, the seat experiments, and the anthropomorphic dummies occupying the seats. The data base resulting from the test was intended for validating crash prediction models and occupant/seat dynamic simulation models. Keywords: Human tolerance, Impact dynamics, Crash environment, Controlled impact demonstration.