What are the three types of Technical Manual Distribution Forms?

The three types of Technical Manual Distribution Forms include paper-based, CD-ROM, and Integrated Electronic Technical Manuals (IETM). This selection is correct because it encompasses the various traditional and modern methods used to distribute technical manuals.

Paper-based manuals have been a long-standing method of providing technicians with physical copies of information they need for maintenance and repairs. CD-ROMs represent a shift towards digital storage, allowing for easier access to the information while still being a physically-based medium. IETMs take this concept further by providing digital content that is interactive and can be regularly updated without the need for new physical copies. This format enhances the user experience by making information more easily searchable and accessible.

In contrast, other options do not accurately represent the established forms of technical manual distribution. The inclusion of terms like manual, digital, and verbal or document, spreadsheet, and presentation does not correspond to recognized formats for technical manuals in the aviation context. Similarly, while printed and online formats are common, they are not the defined categories used in the distribution forms, making the selection of paper-based, CD-ROM, and IETM the appropriate choice.