> For the complete documentation index, see [llms.txt](https://knowledge.adsgroup.org.uk/8RnoQ2Y1ZgHQnhYYpqoO/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://knowledge.adsgroup.org.uk/8RnoQ2Y1ZgHQnhYYpqoO/sc21/additional-resources/glossary-of-terms-and-acronyms.md). # Glossary of Terms and Acronyms This glossary is designed to help users interpret terms used throughout the Competitiveness Pathway, as well as related frameworks such as SC21, Aero Excellence™, and the wider SCS programme. *** ## Key Acronyms **ADS**\ Aerospace, Defence, Security and Space – The UK trade organisation that developed the SCS Framework and leads the SC21 programme. **AS9100**\ A widely adopted quality management standard for the aerospace industry, aligned with ISO 9001 and used by most primes and Tier 1 suppliers. **BMA**\ Baseline Maturity Assessment – The core diagnostic tool used to assess operational maturity within the Competitiveness Pathway. **CAPA**\ Corrective and Preventive Action – A process used to investigate, resolve, and prevent recurrence of quality and delivery issues. **KPI**\ Key Performance Indicator – A measurable value that demonstrates how effectively an organisation is achieving its operational goals. **OEM**\ Original Equipment Manufacturer – A company that produces parts or systems that are used in another company's end products, often a major prime in aerospace and defence. **OTD**\ On-Time Delivery – A critical performance metric tracking how consistently products or services are delivered on or before the promised date. **QMS**\ Quality Management System – The documented system of policies, processes, and procedures used to plan and deliver quality objectives. **SC21**\ Supply Chains for the 21st Century – A continuous improvement programme led by ADS to raise supplier performance in quality, delivery, and business maturity. **SCS**\ Supply Chain Solutions – The broader improvement framework developed by ADS to integrate multiple capability pathways, including Competitiveness, ESG, and Digital. **SME**\ Small and Medium-Sized Enterprise – A company with fewer than 250 employees and a turnover of less than €50 million. *** ## **Common Terms** **Aero Excellence™**\ An international improvement programme led by major OEMs including Airbus and Safran, focused on driving operational maturity across the global supply chain. **Baseline**\ A starting point for evaluating maturity. In the Competitiveness Pathway, this refers to your organisation's performance level across key assessment themes. **Benchmarking**\ Comparing your organisation's performance metrics or maturity level against industry standards or recognised peers. **Business Maturity**\ The extent to which an organisation has formalised, embedded, and continuously improved its systems, processes, and leadership practices. **Capability**\ The ability of an organisation to deliver value consistently and reliably, supported by its people, processes, and systems. **Continuous Improvement**\ A structured approach to systematically identify, analyse, and improve existing processes, with the goal of enhancing performance and reducing inefficiencies. **Corrective Action**\ Steps taken to eliminate the cause of an identified nonconformity or performance issue, preventing its recurrence. **Delivery Performance**\ A measure of how reliably a company delivers products or services to the right place, at the right time, in the right quantity and condition. **Evidence**\ Supporting documentation provided as part of a maturity assessment — including quality data, KPIs, process maps, management reviews, or improvement records. **Excellence Award**\ A formal recognition (Bronze, Silver, or Gold) granted to organisations that meet or exceed performance thresholds within the SC21 or Aero Excellence™ frameworks. **Lead Time**\ The time taken between initiating a process or order and its completion — a key factor in delivery performance. **Maturity Level**\ A stage of progress within the Competitiveness Pathway, ranging from 0 (Not Considered) to 3 (Optimised). Used to benchmark and track improvement over time. **Nonconformity**\ A deviation from a defined standard, process, or customer requirement — typically requiring corrective action. **Performance Metrics**\ Quantitative indicators used to evaluate quality, delivery, and capability — such as OTD, scrap rates, customer returns, or lead times. **Recognition Pathway**\ The formal route by which organisations can achieve SC21 or Aero Excellence™ recognition based on their assessed performance and improvement plans. **Root Cause Analysis (RCA)**\ A method used to identify the underlying causes of problems in order to prevent recurrence. **Value Stream**\ The end-to-end set of activities that create and deliver value to a customer — often used in process improvement mapping and analysis. --- # Agent Instructions This documentation is published with GitBook. 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