git:20260817.bb39a3a to git:20261103.7312fa5

46 added, 65 removed. Audit A to A.

---

name: mil-std-40051

- description: "Knowledge base from MIL-STD-40051-2C (15 Dec 2015), Preparation of Digital Technical Information for Page-Based Technical Manuals. Use for TM/TDP structure, work packages, front/back matter, style/format, warnings/HAZMAT, change packages, content selection matrices, and plate exemplars. Primary Training & Documentation pack (cluster 25) with Ops & Maintenance procedure use—page-based (-2C) only, not IETM 40051-1."

+ description: "Knowledge base from MIL-STD-40051E w/Change 1, 30 July 2025, Preparation of Digital Technical Information for Technical Manuals. One volume covers page-based and electronic manuals (IETM and ETM). Use for scope, applicable-document classes, general and detailed requirements, content-selection method, operator/maintenance/parts families, special TM types (destruction, BDAR, PMC, LO, ammunition, software, hand receipts, data sheets, TBs), and change/revision control. Does not copy matrix cells, plate exemplars, or sample pages."

---

-

+

- # MIL-STD-40051-2C — Page-Based Technical Manuals

- **Source**: MIL-STD-40051-2C, 15 December 2015 (US DoD/DLA family; public domain; cover DISTRIBUTION STATEMENT A) | **Chapters**: 8 | **Basis**: selected main body ~151 pp of 584 extracted pages (plates skipped)

+ # Preparation of Digital Technical Information for Technical Manuals (MIL-STD-40051E)

+ **Source:** Public domain US Government work (17 U.S.C. 105); Distribution A; no printed DOPSR case. See `LICENSE`. Pin: MIL-STD-40051E w/Change 1, 30 July 2025.

## When to use

- Use this pack when **authoring, tailoring, reviewing, or training on page-based military technical manuals** under MIL-STD-40051-2C: scoping TM families, building work-package structures, completing front/back matter (including distribution/export notices), applying style/format and warning/HAZMAT rules, issuing change packages with revision bars, filling content selection matrices, and checking drafts against standard plate exemplars. Primary home is **Training & Documentation** production; also use for **Ops & Maintenance** procedure quality.

- **Prerequisites:** none — plain Markdown; no MCP server, API key, or licence tier needed at runtime. Pair with acquiring-activity TM style guides and, if interactive manuals are in scope, a separate 40051-1/IETM source (not this pack).

+ Use this skill when authoring, tailoring, reviewing, or training on military technical manuals under the consolidated E Change 1 practice: page-based and electronic outputs, work-package structure, content selection, core and special TM types, and change control.

+ **Prerequisites:** none. Plain Markdown. No MCP server, API key, or licence tier needed at runtime.

## How to Use This Skill

- - **Without arguments** — load the core frameworks below.

- - **With a topic** — ask about work packages, front matter, warnings, changes, matrices, DMWR/NMWR, or training documentation delivery.

- - **With a chapter** — ask for `ch01` through `ch08`.

- Supporting files: `glossary.md`, `patterns.md`, `cheatsheet.md`.

+ - **Without arguments** - load the one-volume spine, WP model, and matrix-first tailoring below.

+ - **With a topic question** - ask about IETM/ETM rules, work packages, content selection, operator/maintenance/parts families, special types, or change packages.

+ - **With a manual-type question** - ask for a TM type (operator, troubleshooting, maintenance, parts, BDAR, PMC, LO, software, hand receipt, TB) and follow the matching chapter.

## Core Frameworks & Mental Models

- ### Page-based TM spine

- **Matrix → WP structure → front matter/release markings → formatted procedures with warnings → change control → exemplar QA.**

+ ### One volume, two outputs

- ### 40051 family split

- | Part | Product |

- |------|---------|

- | 40051-1 | IETM (interactive) — out of scope here |

- | **40051-2C** | **Page-based TM / ETM synonym in this standard** |

+ E Change 1 is a single standard practice for page-based and electronic manuals. IETM and ETM name output-specific rules. Unqualified requirements apply to both.

- ### Work package module

- Initial setup → warned steps → figures/tables → end-of-WP → stable ID for training and field citation.

+ ### Matrix then author

- ### Dual-layer hazards

- Warning summary (front) + step-adjacent WARNING/CAUTION/NOTE (+ HAZMAT icons).

+ Appendix A content selection (with MATDEV) decides which objects a TM carries. Sections 4 and 5 supply structure and detailed method. Appendices B-Q specialize by family.

- ### Change effectivity

- Change package + revision bars + title-page dates + TOC; same state for ops and training fleets.

+ ### Work package atom

- ### Content selection

- Appendix/matrix-driven include lists per maintenance level and TM type (operator, maintainer, DMWR/NMWR, PM products, BDAR, software, etc.).

+ Narrative and task content divides into WPs with stable identifiers. Prefer WP citations over fragile page numbers.

+ ### Safety and change layers

+ Warning summary plus step-adjacent WARNING/CAUTION/NOTE (and HAZMAT). Change packages and revisions keep effectivity visible, including list-of-effective pages/WPs for electronic deliveries.

## Chapter Index

- | # | Section | Key content |

- |---|---------|-------------|

- | [ch01](chapters/ch01-scope-tm-family-and-applicability.md) | Scope, TM Family, Applicability | -2C slice, TM types, DIST-A on standard |

- | [ch02](chapters/ch02-tm-structure-and-work-packages.md) | TM Structure and Work Packages | Chapters, WP anatomy, numbering |

- | [ch03](chapters/ch03-front-matter-and-back-matter.md) | Front and Back Matter | Cover, warning summary, title, TOC, reporting |

- | [ch04](chapters/ch04-style-format-and-layout-rules.md) | Style, Format, Layout | Trim, headers, tables, figures, xrefs |

- | [ch05](chapters/ch05-warnings-cautions-notes-and-hazmat.md) | Warnings, Cautions, HAZMAT | Signal words, icons, placement |

- | [ch06](chapters/ch06-change-packages-and-revision-marking.md) | Change Packages and Revision Marking | Bars, renumber, effectivity |

- | [ch07](chapters/ch07-content-selection-matrix-and-tailoring.md) | Content Selection and Tailoring | Matrices, levels, appendix roles |

- | [ch08](chapters/ch08-plate-exemplars-and-production-patterns.md) | Plate Exemplars | Sample plates as production patterns |

+ | File | Job |

+ | --- | --- |

+ | [ch01-mil-std-40051-scope.md](chapters/ch01-mil-std-40051-scope.md) | Scope, applicability, consolidation |

+ | [ch02-mil-std-40051-applicable-documents.md](chapters/ch02-mil-std-40051-applicable-documents.md) | Applicable-document classes |

+ | [ch03-mil-std-40051-general-requirements.md](chapters/ch03-mil-std-40051-general-requirements.md) | General requirements, IETM, WPs |

+ | [ch04-mil-std-40051-detailed-requirements.md](chapters/ch04-mil-std-40051-detailed-requirements.md) | Detailed preparation method |

+ | [ch05-mil-std-40051-content-selection.md](chapters/ch05-mil-std-40051-content-selection.md) | Content-selection method |

+ | [ch06-mil-std-40051-operator-maintenance-parts.md](chapters/ch06-mil-std-40051-operator-maintenance-parts.md) | Operator, maintenance, parts families |

+ | [ch07-mil-std-40051-special-tm-types.md](chapters/ch07-mil-std-40051-special-tm-types.md) | Special TM types H-Q |

+ | [ch08-mil-std-40051-changes-notes.md](chapters/ch08-mil-std-40051-changes-notes.md) | Changes, revisions, notes |

## Topic Index

- - **Battle damage / BDAR documentation** → ch01, ch07

- - **Change package / revision bars / effectivity** → ch06

- - **Comprehensibility / reading grade** → ch01, ch04

- - **Content selection matrix / tailoring** → ch07

- - **Distribution statement / export / destruction notices** → ch03

- - **DMWR / NMWR** → ch01, ch03, ch08

- - **Documentation production / authoring line** → ch04, ch07, ch08

- - **Front matter / title page / TOC** → ch03

- - **HAZMAT warnings and icons** → ch05

- - **Initial setup information** → ch02

- - **Maintenance levels (operator through depot)** → ch01, ch07

- - **Ops & Maintenance procedure use** → ch02, ch05

- - **Page-based TM / ETM synonym** → ch01

- - **Phased maintenance / PMC / PMS / PMD / PMI** → ch01, ch07

- - **Plate exemplars / sample covers and WPs** → ch08

- - **RPSTL** → ch02, ch07

- - **Style / trim size / figures / tables** → ch04

- - **Technical manual training materials** → ch01, ch07, ch08

- - **Training & Documentation** → ch01, ch07, ch08

- - **Warning / caution / note signal words** → ch05

- - **Warning summary** → ch03, ch05

- - **Work package (WP) structure and numbering** → ch02, ch06

+ - Scope / consolidation / service prefixes: ch01

+ - Applicable documents / order of precedence: ch02

+ - IETM functionality / work packages / style spine: ch03

+ - Front matter / notices / detailed method: ch04

+ - Content selection matrix / tailoring: ch05

+ - Operator / troubleshooting / maintenance / parts / supporting info: ch06

+ - Destruction / BDAR / PMC / LO / ammunition / software / hand receipts / TBs: ch07

+ - Change packages / revisions / acquisition notes: ch08

## Supporting Files

- - [glossary.md](glossary.md) — TM/40051 terms with chapter refs

- - [patterns.md](patterns.md) — eight production/review patterns

- - [cheatsheet.md](cheatsheet.md) — stacks, checklists, cluster hooks

- ---

+ - `glossary.md`

+ - `cheatsheet.md`

+ - `patterns.md`

## Scope & Limits

- - Covers **MIL-STD-40051-2C** page-based TM requirements from a **selected main-body extraction** (plates largely skipped; see PACK.yaml notes).

- - Does **not** cover MIL-STD-40051-1 IETM interactive behavior.

- - Synthesized reference notes for Training & Documentation and Ops & Maintenance practice—not a substitute for the official ASSIST/everyspec publication on contract.

- - No source PDF or full-text redistribution in this pack.

+ One-volume E Change 1 practice for page-based and electronic manuals. Does not copy content-selection matrix cells, plate exemplars, or sample pages. Does not quote cited military standards or statutes. Does not limit the pack identity to paper delivery.