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BS EN 9208:2021

BS EN 9208:2021

$189.07

Aerospace series. Programme management. Expression of need. Guidance on and format for (Need) Technical Specification

Published By Publication Date Number of Pages
BSI 2021 46
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This document belongs to the documents going along with EN 9200 relating to Project Management Specification. The aims of this document are as follows: – to specify/remind the concept of (Need) Technical Specification (N)TS; – to define the principles and conditions for drawing up, approving, using and updating a (N)TS; – to propose a template of (N)TS. The template identifies topics and types of related requirements to be covered in a (N)TS without being completely exhaustive or mandatory. It is due to be analysed like a check-list and tailored according to the type of the product of interest, the context of the bodies involved and the contractual details. The principle of drawing up a (N)TS applies to both tangible and intangible products (e.g. services). The customer/supplier relationship addressed by these principles may also apply within a single organization. The concepts of customer and supplier are discussed in this document without distinction between internal or external relationship. This document implements and adapts EN 16271 to the context, in order to meet the specific needs of the aeronautical field and more generally the needs of other fields. This document is more explicit about certain aspects of ISO/IEC/IEEE 29148 dedicated to requirements engineering, such as the responsibility for drawing up a (N)TS on a contractual basis and also the process of drawing it up within a programme (stages and milestones). It also supplements the technical specification framework proposed by ISO/IEC/IEEE 29148, in particular with requirements relating to safety of operation and result assurance. The relationships existing between Functional Performance Specification (FPS) and (N)TS for expression of needs are given in Annex A.

PDF Catalog

PDF Pages PDF Title
2 undefined
7 1 Scope
2 Normative references
3 Terms and definitions
10 4 List of acronyms
11 5 Objectives of the (Need) Technical Specification (N)TS
5.1 Purpose of the customer’s expression of need
12 5.2 Role and contractual nature of the (N)TS
6 Principles for drawing up a (N)TS
6.1 General
6.2 Responsibility for drawing up the (N)TS
13 6.3 (N)TS elaboration process
6.3.1 Preparatory stage
6.3.2 Description of the process
14 6.3.3 Position in programme phasing and scheduling
6.3.3.1 General
6.3.3.2 Preliminary (N)TS
6.3.3.3 Reference (N)TS
15 6.3.4 Principles for requirement breakdown and allocation according to the product breakdown structure
16 6.4 Rules on the expression of requirements
6.4.1 Requirement quality criteria
6.4.2 Format of the requirements
17 6.4.3 Concepts of flexibility for requirements
6.4.3.1 In the preliminary (N)TS
6.4.3.2 In the reference (N)TS
18 7 Content of the (N)TS
7.1 General remarks
7.2 Product concept
7.3 Scope
7.4 Context of use
7.4.1 Expected missions
7.4.2 Operational context and operational environment
7.4.3 Life profile
7.4.4 Operational scenarios
19 7.5 Documents and terminology (as subclause of the (N)TS)
7.6 Technical requirements
7.6.1 Functional requirements
20 7.6.2 Lifetime requirements
7.6.3 RAMS requirements
7.6.3.1 General
7.6.3.2 Reliability
21 7.6.3.3 Maintainability
22 7.6.3.4 Availability
7.6.3.5 Safety
7.6.4 Product protection requirements
7.6.4.1 General considerations
23 7.6.4.2 Information security
7.6.5 Human factors requirements
24 7.6.6 Requirements relating to logistic support and in-service operations of the product
25 7.6.7 Requirements on resistance to the environmental conditions
7.6.8 External interfaces requirements
26 7.6.9 Design constraints and imposed solutions
27 7.7 Requirements for result assurance
7.7.1 General
7.7.2 Requirements relating to Definition Justification and Qualification pronouncement
7.7.3 Requirements relating to the conditions of acceptance of specimens of the product
28 8 Updating of a (N)TS
29 Annex A (informative)Relations between FPS and (N)TS
30 Annex B (informative)Mapping with CMMI-Acquisition and CMMI-Development models
31 Annex C (informative)Overview of the NATO Architecture Framework (NAF)
34 Annex D (informative)Architecture views for human factors
35 Annex E (informative)Contents suggested for a (N)TS
36 Annex F (informative)Standards or guides for safety studies
37 Annex G (informative)Detailed requirements relating to logistic support and in-service operations of the product
G.1 User support
G.1.1 Requirements relating to user technical documentation (UTD)
G.1.2 Requirements relating to user training and learning
G.1.3 Requirements relating to user support (Helpdesk Service)
G.2 Customer support
G.2.1 Requirements relating to asset management on behalf of the customer
38 G.2.2 Requirements relating to technical support or service provision
G.3 Operational services
G.3.1 Requirements relating to product deployment
G.3.2 Requirements relating to product operation
G.3.3 Requirements relating to operation incident treatment
G.3.4 Requirements relating to availability and service continuity follow-up
G.4 Analysis of logistic support, logistics and maintenance in operational condition
G.4.1 Requirements relating to logistic support analysis
39 G.4.2 Requirements relating to logistics
G.4.2.1 Requirements relating to the product supply chain
G.4.2.2 Requirements relating to packaging, handling, storage and transport (EMST)
G.4.2.3 Requirements relating to spare, consumable and ingredient management
G.4.2.4 Requirements relating to support means (test means and platform tooling, except training platform)
40 G.4.3 Requirements relating to maintenance in operational condition
G.4.3.1 Requirements on in-use product observability and data collection
G.4.3.2 Requirements relating to product maintenance (repair, spare, change, etc.)
G.4.3.3 Requirements relating to obsolescence management
41 Annex H (informative)Standards and guides related to integrated logistic support (ILS) requirements

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BS EN 9208:2021
$189.07