MIL-DTL-81927C(AS)
covered is identified by using a prefix for the applicable functional element(s), e.g.,"Intermediate
and Depot Maintenance Instructions with IPB". The following types of manuals represent the
majority of NAVAIR technical manuals being developed in WP format:
1.2.1 Organizational level. WP organizational level manuals may be either a single manual or
a series of manuals covering organizational level operations and maintenance and its associated
illustrated parts breakdown (IPB) data. Organizational level information shall normally be defined
as "on" aircraft or equipment tasks arranged on a systems concept. "Off" aircraft organizational
level tasks include component and support equipment repair, manufacturing, and assembly.
1.2.2 Intermediate and depot level. WP intermediate and depot level manuals should be
prepared as either individual maintenance level coverage or combined maintenance level coverage
manuals, and associated IPB data, based on their application and the approved maintenance plan
or logistics support analysis (LSA). The documents will normally cover "off" aircraft or "off"
equipment tasks arranged by weapons repairable assembly (WRA). That is, component or
assembly maintenance shall be covered instead of the system concept used at organizational level.
1.2.3 Combined maintenance levels. WP format manuals may consist of any combination of
level coverage and associated IPB data, predicated on the approved maintenance plan or the LSA,
facility requirements, support equipment required, and the volume of information to be presented.
Combined maintenance level manuals are most practical when maintenance requirements at each
level are fairly consistent, the same support equipment is applied, the same facility requirements
are used, and when the overall data volume permits. Organizational level normally shall not be
combined with intermediate or depot level data.
2. APPLICABLE DOCUMENTS
2.1 General. The documents listed in this section are specified in sections 3 and 4 of this
specification. This section does not include documents in other sections of this specification or
recommendation for additional information or as examples. While every effort has been made to
ensure the completeness of this list, document users are cautioned that they must meet all
specified requirements documents cited in sections 3 and 4 of this specification, whether or not
they are listed.
2.2 Government documents.
2.2.l Specifications, standards, and handbooks. The following specifications, standards, and
handbooks form a part of this specification to the extent specified herein. Unless otherwise
specified, the issues of these documents shall be those listed in the issue of the Department of
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