MIL-DTL-81919 Manuals, Technical, Equipment Operation And/Or Maintenance Instructions, Technical Content Requirements \(Work Package Concept\)This specification prescribes the technical content requirements for the preparation of technical manuals in work package \(WP\) concept for the operation and /or maintenance instructions of NAVAIR non-aircraft systems and equipment, aircraft equipment, airborne weapons/equipment, and related support equipment \(SE\). The manuals will normally include an integrated illustrated parts breakdown \(IPB\).