DI-HFAC-80746B, DATA ITEM DESCRIPTION: HUMAN ENGINEERING DESIGN APPROACH DOCUMENT - OPERATOR (08-JUL-1998)

DI-HFAC-80746B, DATA ITEM DESCRIPTION: HUMAN ENGINEERING DESIGN APPROACH DOCUMENT - OPERATOR (08-JUL-1998)., The Human Engineering Design Approach Document � Operator (HEDAD-O) describes equipment that interfaces with operators. This document provides a source of data to evaluate the extent to which equipment having an interface with operators meets human performance requirements and human engineering criteria, and provides the human engineering rationale for the design.