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BS EN 4726:2018

$198.66

Aerospace series. Acceptance parameters of aesthetical variations for all visible equipment installed in aircraft cabins under all contractual variations

Published By Publication Date Number of Pages
BSI 2018 70
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This document defines the inspection rules and the cosmetic acceptance criteria for surfaces of aircraft cabin equipment. Surfaces will be considered under the aspects of technical feasibility of the industrial design. This document outlines the framework between airlines, supplier and OEMs with regard to cosmetic issues. This document aims to: a) provide the supplier or manufacturer with quality criteria, which need to be met during the production, testing- and quality-inspection-process. b) guide airline-, OEM- and supplier-quality assurance with a description of cosmetic standards for following inspections: – supplier internal QA inspection; – first article inspection; – source inspection; – incoming inspection; – final assembly line, cabin inspection; – customer presentation.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 1 Scope
2 Normative references
3 Terms, definitions and abbreviations
3.1 Terms and definitions
7 3.2 Abbreviations
8 4 Definitions of cosmetic defects, inspection zones and criteria
4.1 Simplified definition of a cosmetic defect
4.2 Zonal type definition for installed parts
4.2.1 Zone A
9 4.2.2 Zone B
4.2.3 Zone C
4.3 Classification of surfaces to be inspected
20 4.4 Exception to classification of surfaces
4.5 Split lines, definition, cutting and placement of decorative materials and sealing
4.5.1 General
21 4.5.2 General split line rules for decorative materials
4.5.3 Pattern alignment over two or more sheets/parts
25 4.5.4 Silicone sealant from the tube or any tube based application
4.5.5 Sealing (hard seals e.g. “P” seals, blade seals etc.)
4.6 Time limits and part appraisal
4.7 Distance from the test specimen
4.7.1 Distance at FAI-, source- and incoming – inspection (general ruling)
26 4.7.2 Distance at FAL, final inspection and customer presentation
4.8 Handling of high end sensitive finishes
4.9 Illumination
4.9.1 General
27 4.9.2 Additional light sources
28 4.9.3 Surfaces
4.9.3.1 Decorative surfaces
4.9.3.2 Environmental inspection area parameters
4.9.3.3 Surface sensitive material inspection e.g. high gloss, silk gloss, smooth etc.
4.9.3.4 Examination of the parts for installed items
29 4.9.3.5 Non-decorative surfaces
4.9.3.6 Samples
4.9.3.7 Paint
30 4.9.3.8 Decorative Sheet Material (DSM) formally known as PVF-Film
4.9.3.9 Gloss level definitions
4.9.3.10 Plastic parts
4.9.3.11 Production masters
4.10 Non-Textile Floor (NTF)
4.10.1 Seller furnished equipment (from OEM perspective) non-textile floor
31 4.10.2 Buyer furnished equipment (from OEM perspective) non-textile floor
4.10.3 Definitions
4.10.3.1 Classification of surfaces to be inspected
32 4.10.3.2 Split lines/joints, definitions, installation, placement, sealing and welding
33 4.10.3.3 General alignment over two or more sheets/parts
34 4.10.3.4 Gloss level definitions
4.10.3.5 Colour deviation
35 4.10.3.6 Lab samples
4.10.3.7 Other influences
4.10.4 Inspection parameters – Specifically for NTF
36 4.11 Stitching
39 4.12 Acceptance criteria for assembled parts: symmetry of multiple aligned parts e.g. gaps, steps, misalignment etc.
41 5 Unacceptable characteristics
64 6 Evaluation tables and defect size assessment
6.1 Evaluation tables for defects on parts
65 6.2 Evaluation tables and defect size assessment for NFT only
66 7 Inspection template to ascertain defect sizes
68 Annex A (informative)Standard evolution form
BS EN 4726:2018
$198.66