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SPI publications to support understanding, validation, and control of special processes in aerospace, space, defence, and other reliability-critical sectors. Download the guidebook and training material below.

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Guides and Books

Core SPI reference publications for practical quality and process assurance.

Special Processes Guidebook publication preview
SPI-01
Special Processes Guidebook

A practical guide to understanding, validating and controlling special processes, including risk, auditing, documentation and process control.

8D RCCA Problem Solving Guidebook publication preview
SPI-03
8D RCCA Problem Solving Guidebook

Structured guidance for effective root cause corrective action using the Eight Disciplines methodology, from containment through prevention of recurrence.

Process Failure Mode and Effects Analysis (PFMEA) Guidebook publication preview
SPI-06
Process Failure Mode and Effects Analysis (PFMEA) Guidebook

Step-by-step PFMEA guidance for identifying process risks, evaluating failure modes and implementing effective prevention and detection controls.

First Article Inspection Guidebook publication preview
SPI-09
First Article Inspection Guidebook

Practical guidance for planning, preparing, reviewing and approving First Article Inspection in aerospace, defence, space and high-reliability industries.

Quality Auditing & Verification Guidebook publication preview
SPI-10
Quality Auditing & Verification Guidebook

A practical reference covering internal and supplier audits, product and process audits, special-process surveillance, witnessing and document verification.

SPI-11 Quality Book The Practical Handbook of Quality Knowledge, Methods & Tools.
SPI-11
Quality Book

The Quality Book is a practical, accessible reference designed to bring together essential quality knowledge, methods and tools in one place, supporting both those learning the profession and experienced quality practitioners.

SPI-12 Supplier Quality & Supply Chain Assurance
SPI-12
Supplier Quality & Supply Chain Assurance

Practical guidance on supplier quality management, supply chain assurance, risk management, auditing and performance monitoring, including the development, review and approval of Deliverable Quality Plans (DQPs).

SPI-13 Production Readiness Review Guidebook
SPI-13
Production Readiness Review Guidebook

Practical guidance on assessing and verifying production readiness, including the transition from prototype to full-scale manufacture, process capability, risk management, APQP, PPAP and production controls to ensure consistent quality and sustainable manufacturing performance.

Training Publications

Presentation-based learning resources for teams, workshops and self-development.

Understanding Special Processes – Training Publication publication preview
SPI-02
Understanding Special Processes – Training Publication

Training material explaining special-process principles, validation versus verification, risk, auditing and practical industry examples.

Understanding 8D RCCA Problem Solving – Training Publication publication preview
SPI-05
Understanding 8D RCCA Problem Solving – Training Publication

Training on structured RCCA, effective problem solving, systemic improvement and preventing recurrence rather than relying on quick fixes.

Understanding PFMEA – Training Publication publication preview
SPI-07
Understanding PFMEA – Training Publication

Training material covering PFMEA purpose, terminology, risk assessment and practical application for manufacturing and quality teams.

Resources

Editable forms and working tools for practical application.

8D Report Template publication preview
SPI-04
8D Report Template

A practical editable 8D report form guiding teams through D0–D8, root-cause verification, corrective action and closure.

PFMEA Workbook (Excel) Form publication preview
SPI-08
PFMEA Workbook (Excel) Form

An Excel workbook containing assessment tools, process-flow diagrams, a PFMEA form and a control-plan template for practical PFMEA development.

Technical Briefs

Focused practical guidance on specific technical and process-control topics.

SPI-500 SERIES
Technical Briefs
Focused practical guidance

SPI-501 — Electroplating Items with Blind Holes

A concise guide to risks including poor coverage, solution entrapment and corrosion, with key design and process controls.

SPI-502 — Effective Rinsing in Surface Treatment

Explains the science and best practices behind effective rinsing and how inadequate rinsing can cause contamination and staining.

SPI-503 — Paint Adhesion Factors

A technical publication explaining the fundamental factors that influence paint adhesion and long-term coating performance. It covers cohesion and adhesion, the key mechanisms of adsorption, chemical bonding and mechanical interlocking.

SPI-504 — Electroplating Welded Tubes and Box Sections

A technical publication highlighting the design and processing challenges associated with electroplating welded tubes, box sections and other enclosed or semi-enclosed components.

SPI-505 — Surface Engineering Items with Faying Surfaces, Inserts and Attachments

A technical publication highlighting the risks associated with faying surfaces, inserts and attachments on components requiring immersion surface treatments such as electroplating, anodising and chemical conversion coating.

SPI-506 — Avoiding Caustic Etching of Aluminium in Surface Treatment

A technical publication challenging the routine use of caustic etching as a pre-treatment for aluminium anodising and chemical conversion coating.