It became clear that airbags and seatbelts reacted differently during a collision depending on the size of person behind the wheel and how close they sit to the steering wheel when driving. These impact tests are called OOP (out of position) procedures. The Hybrid III 5the Percentile Female is only 5’ (152cms) tall and weighs just 50Kgs. This dummy is used to measure the forces found in frontal impact crashes. Cellbond can supply spare parts – please contact us to discuss your requirements.