Documentation ranges from manufacturers’ technical manuals to an organization’s job cards to publications from your regulator. Numerous post-event investigations have clearly demonstrated that failure to use documentation appropriately was a major contributing factor. Issues associated with maintenance documentation are related to the way the information is written, to where and how it is accessed in an organization, and to the motivation of aviation maintenance personnel. There are often numerous and diverse reasons that documentation is not used properly. A good MHF program must address and correct documentation challenges.