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ISO/DIS 21351

Space systems — Functional and technical specifications

General information

40.99     Nov 2, 2026

ISO

ISO/TC 20/SC 14

International Standard

49.140  

Scope

ISO 21351:2005 provides an overview of the respective purposes and positions of functional and technical specifications, their required contents, and the process for developing these documents.
ISO 21351:2005 is applicable to all types of space systems, all product elements, and projects.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 21351:2005

NOW

PROJECT
ISO/DIS 21351
40.99 Full report circulated: DIS approved for registration as FDIS
Nov 2, 2026