Specimen size-rolls for aircrew headgear based on an analysis of the head measurements of 2000 Royal Air Force aircrew

Abstract

The head measurements obtained during the 1970/1971 anthropometric survey of 2000 Royal Air Force aircrew have been processed to provide size-roll data in a form suitable for use by headgear designers. Specimen size-rolls are presented based on sizing control measurements thought likely to meet the requirements of the headgear designer. The logistic need for a minimum number of sizes of the end product has been the major criterion in the selection of control measurement range intervals; the acceptability of the intervals or sizing steps chosen will need to be proved for specific designs of headgear. Selection of the most appropriate sizing control measurement(s) by the designer will be influenced by many factors depending on the type of headgear, critical fit measurements, etc. Some guidance on control measurement selection is provided in the discussion of the results of the various approaches outlined in this Report.