This document is a guide describing the recommended practices in specifying industrial requirements in the form of recognised standards (national, European, international), in preference to company standards.It emphasises the economic and industrial value of following and encouraging such practices.It is based on what is frequently observed and considered by primes and manufacturers as constituting best practices to the benefit of all involved in the life cycle of a product, from the design stage until its withdrawal from service.The purpose of this guide is to:encourage specification writers and designers to make greater use of existing recognised standard
EN 4617:2006 history
2006EN 4617:2006 Aerospace series - Recommended practices for standardising company standards