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STANAG 4457
STANAG 4457 engineering documentation for multinational joint projects
Engineering and configuration management staff on NATO multinational joint projects, and the defence contractors and procurement authorities who prepare and approve their technical documentation.
STANAG 4457 is the NATO agreement covering AEDP-1, on engineering documentation for multinational joint defence projects. NATO has not released it publicly; this page describes it from the Czech defence standard that implements it.
- Edition
- 1
- Published
- 1998-03-13
NATO has not released this STANAG publicly. It is NATO UNCLASSIFIED, and organisations that need it obtain it through their national standardization authority.
What it is
STANAG 4457 is the NATO Standardization Agreement on engineering documentation in multinational joint projects, covering the publication AEDP-1. Edition 1 was promulgated on 13 March 1998 under NATO's CNAD, AC/327 LCMG, WG/7. NATO has not released STANAG 4457 or AEDP-1 publicly, so this page describes them from a public national implementation, the Czech defence standard ČOS 051660 (1st edition, Prague 2019), which states that it introduces STANAG 4457 edition 1 and AEDP-1 edition 1 into Czech use, and extends the text with most of the requirements of a then-forthcoming new edition of AEDP-1. A national implementation can add to or extend NATO's own text, so treat what follows as the Czech implementation's content, not as NATO's own text.
What the Czech implementation requires across a project's lifecycle
ČOS 051660 gives unified guidance for creating, maintaining, managing and processing changes to the technical documentation of NATO international joint projects, and sets out rules for product documentation at each stage of the project life cycle. It structures that documentation around NATO's Phased Armaments Programming System (PAPS). At project-definition phase (PAPS phase 4) it requires a system specification, built from the NATO Staff Requirement, that forms the Functional Baseline. At design-and-development phase (PAPS phase 5) it requires development specifications, subsystem technical-parameter specifications, interface documentation and special test-equipment specifications, forming what the standard still calls the Development Baseline, now more precisely the Allocated Baseline. At production phase (PAPS phase 6) it requires product specifications, critical-process and critical-material specifications, product drawings, and the associated parts, data, index and wiring lists, forming the Production Baseline.
The standard also sets detailed rules for how a specification is worded (unambiguous language, correct use of shall, should and may, and a ban on vague terms such as and/or, adequate or etc.), for drawing content, numbering and revision marking, and for the order of priority to apply when standards conflict: NATO standardization agreements first, then ISO/IEC standards, then other regional or international standards, then national standards, then national military standards, then industry and project standards.
What the annexes cover
The annexes give the assembly-breakdown scheme from part through subassembly, assembly, subsystem and system; general guidance for writing specifications; the priority order for standards and for conflicting documents; general rules for product drawings, including which revision-mark letters are excluded (I, O, Q, S, X, Z) and how approval is recorded; the ISO/IEC standards to use for drawings, in four parts; a list of restricted materials in four groups, heavy metals, hazardous substances, special-product-category substances and ozone-depleting chemicals; and requirements for preparing and maintaining three-dimensional technical data packages, including seven release levels from research-and-development work in progress through to storage and archiving.
How we help
A supplier bound by STANAG 4457 through a contract holds the obtained text through its national authority. In ComplyTrain you record the requirements that apply to you as your own requirements, give each an owner, and keep the evidence that shows you meet them against each one.
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