MIL-DTL-81927C(AS)
3.2.4 Task grouping within a WP. Ideally, each WP in the manual will be an independent,
self-contained data unit. Following the criteria defined in NAVAIR 00-25-700, the writer will be
required to group some tasks and divide others into WPs of suitable length. Division or selection
of coverage will depend on the item covered, such as operational modes, complexity of
maintenance actions, level(s) of maintenance covered, and the specific requirements of the
applicable detailed content specification.
3.2.4.1 Page count of a WP. Each WP shall contain only that data which is essential to the
performance of the task covered by the WP. The desired maximum page count of a WP is 30
pages.
3.2.4.1.1 WP that exceeds 30 pages. When it is determined that a WP will exceed this limit,
the coverage shall be reviewed for a logical division of the data that would improve the access to
data. These limitations do not apply to the alphabetical index, numerical index of part numbers,
numerical index of reference designations, or wire lists.
3.2.4.1.1.1 WP division. Normal division of a WP will be by primary paragraphs or
functional element. Frequently, however, access to data is improved by developing separate
WP(s) for supporting data, e.g., wiring diagrams, wire lists, or fault isolation diagrams.
a. Division will improve access to data. When division of a WP will improve access to
data, the division shall be accomplished.
b. Division will not improve access to data. When a division of a WP will not improve
access to data, clarify the relationship, or improve usability of the data, the WP should
not be divided just to reduce the page count of a WP.
3.2.5 Technical manual outline. The first step in the construction of a WP manual is the
development of an outline to be reviewed and approved by the requiring activity.
a. The outline shall be developed from an analysis of available source data.
b. The most appropriate method of determining maintenance requirements and the
sequencing of maintenance tasks is a task analysis, as required in NAVAIR 00-25-700.
c. Normally, the source of information used for the task analysis is the LSA. If an LSA has
not been performed, the preparing activity shall follow the approved maintenance
plan/concept identified by the requiring activity.
d. The depth and scope of the task analysis will depend on the sophistication of the design
of the equipment and the depth of the required maintenance coverage as determined by
the task analysis.
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