It was initially only a 50th percentile male (equal in height and weight to the average North American male at the time of its development).
If he could stand upright, he would be 5' 9" tall and would have a mass of approximately 78 kg (172 lb).
[2][3] He occupies the driver's seat in all the Insurance Institute for Highway Safety (IIHS) 65 km/h (40 mph) offset frontal crash tests.
The 'female' Hybrid III is a 5th percentile dummy that is based on the same male body shape as the others, at a diminutive 152 cm (5 ft) tall and 50 kg (110 lb).
to the crash test dummy family; because so little hard data are available on the effects of accidents on children, and such data are very difficult to obtain, these models are based in large part on estimates and approximations.