Interactive Electronic Technical Manuals: Improving the provision of technical information to ADF aerospace maintainers

3. Technical publications (tech pubs) provide the data and processes necessary for conducting scheduled and unscheduled, preventative and corrective maintenance tasks on aircraft and related equipment. Tech pubs provide ‘checkout’ procedures to test whether a system is serviceable or unserviceable. For unserviceable systems, tech pubs provide ‘fault-fi nding’ information to identify the particular part requiring replacement or adjustment. The procedures to remove, install, and adjust parts are also contained within tech pubs. Theory of operation information is provided to aid the maintainers’ understanding of the system and better support their ability to fault-fi nd.