GM1 21.A.239(d) Design management system
ED Decision 2022/021/R
DESIGN ASSURANCE ELEMENT
(a) Purpose
This GM outlines some basic principles and objectives of the design assurance element.
(b) Definitions
1 The design assurance element includes the organisational structure, responsibilities, procedures, and resources to ensure the proper functioning of the design organisation.
2 ‘Design assurance’ refers to all planned and systematic action necessary to provide adequate confidence that the organisation has the capability to:
— design products or parts in accordance with the applicable type certification basis, the operational suitability data (OSD) certification basis, and the environmental protection requirements;
— demonstrate and verify compliance with the type certification basis, the OSD certification basis, and the environmental protection requirements; and
— demonstrate to EASA that compliance.
3 ‘Type investigation’ refers to the tasks of the organisation in support of the type certificate (TC), supplemental type certificate (STC) or other design approval processes necessary to demonstrate, verify and maintain compliance with the applicable type certification basis, OSD certification basis, and environmental protection requirements.