DI-HFAC-80747C, DATA ITEM DESCRIPTION: HUMAN ENGINEERING DESIGN APPROACH DOCUMENT - MAINTAINER (08 JUL 1998)

DI-HFAC-80747B, DATA ITEM DESCRIPTION: HUMAN ENGINEERING DESIGN APPROACH DOCUMENT - MAINTAINER (08 JUL 1998)., The Human Engineering Design Approach Document Maintainer (HEDAD-M) describes design/interface requirements of equipment that must be maintained. This document provides a source of data to evaluate the extent to which equipment having an interface with maintainers meets human performance requirements and human engineering criteria. This is not simply a description of equipment but rationale based on the human interface. This data item description (DID) contains the format and content preparation instructions for the HEDAD-M resulting from applicable tasks delineated in the SOW. The DID supersedes DI-HFAC-80747B.