MIL-DTL-81928 Manuals, Technical: Aircraft Maintenance Instructions, Technical Content Requirements \(Work Package Concept\)This specification covers the technical content requirements for the preparation of technical manuals in work package concept for the maintenance of aircraft and related systems. The manuals include an integrated illustrated parts breakdown \(IPB\). The general style and format requirements of technical manuals in work package \(WP\) format are contained in the general specification \(MIL-DTL-81927\).