EN 9120 is an European certification for suppliers and service providers in the aerospace and defence industries. This is the globally recognized quality management series of standards for the aerospace sector, covering aviation, space and defense. It is based on ISO 9001 and EN9120 defines the requirements for quality assurance in warehousing and distribution of aerospace parts. The EN 9120 standard has been developed for providers of aerospace stocklists, or pass-through distributors who are reselling, distributing and warehousing aircraft and aerospace components.