The master file of applicable Technical Directives (TDs) is called what?

• A. The Central Publications Library (CTPL)
• B. The Central TD Master List
• C. The Central Publications Library (CTPL) is the master file of applicable TDs
• D. The Technical Directives Repository

Answer: (C)

The master file of applicable Technical Directives is the Central Publications Library (CTPL). This is the authoritative, central repository that holds the current TDs, their amendments, and how they apply to equipment and procedures, so technicians know exactly which directives govern a given item. Other names describe either a library or a generic repository, but they don’t convey that this is the official master file for TDs.