Aerospace series - Fibres and cables, optical, aircraft use - Test methods - Part 509: Kink test

This standard specifies a method of testing the resistance of an optical cable to the kink test, for aerospace applications.

Luft- und Raumfahrt - Faseroptische Leitungen für Luftfahrzeuge - Prüfverfahren - Teil 509: Knickfestigkeit

Diese Norm legt ein Verfahren zur Prüfung der Knickfestigkeit eines Lichtwellenleiterkabels für Anwendungen in der Luft- und Raumfahrt fest.

Série aérospatiale - Fibres et câbles optiques à usage aéronautique - Méthodes d'essais - Partie 509: Sensibilité à la pliure

Aerospace series - Fibres and cables, optical, aircraft use - Test methods - Part 509: Kink test

General Information

Status
Published
Publication Date
11-Jun-2002
Withdrawal Date
30-Dec-2002
Technical Committee
ASD-STAN - Aerospace
Drafting Committee
ASD-STAN/D 2 - Electrical
Current Stage
9093 - Decision to confirm - Review Enquiry
Start Date
30-Jun-2017
Completion Date
11-Feb-2026

Relations

Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026

Overview

EN 3745-509:2002 is a European standard developed by CEN for the aerospace industry, specifically addressing the kink resistance of optical fibres and cables used in aircraft. This standard defines a precise test method, known as the kink test, vital for ensuring the mechanical integrity and performance reliability of optical cables installed in demanding aerospace environments. Compliance with EN 3745-509:2002 is critical to meeting industry safety, durability, and quality requirements for aircraft fiber optic systems.

Key Topics

  • Kink Test Method: EN 3745-509:2002 specifies the laboratory procedure to assess the resistance of an optical cable to forming kinks when subjected to controlled bending. It ensures cables maintain optical and structural performance after mechanical stress.
  • Test Specimen Preparation: The standard prescribes how to prepare specimen cables, typically demanding a length approximately ten times the minimum bending radius and stabilizing under standard test conditions.
  • Result Validation: The test requires that no kink forms at the specified minimum loop diameter, confirming that cables are suitable for aerospace use where bending during installation and operation is likely.
  • Aerospace Applications: The method targets cables and fibre types deployed in aircraft, supporting electrical and data transmission systems where mechanical stress and tight installation spaces are prevalent.
  • Reference to General Test Methods: The standard acknowledges related documents, such as EN 3745-100 and EN 2591-100, which cover broader test methods for aerospace optical and electrical connections.

Applications

EN 3745-509:2002 plays a crucial role in the qualification and quality control processes for aerospace-grade optical fibres and cables. Key use cases include:

  • Design and Material Selection: Assists manufacturers in selecting cable materials and constructions that can withstand the mechanical stresses typical of aircraft environments.
  • Production Testing: Serves as a guideline for production-line testing, ensuring all delivered cable products meet the kink resistance requirement prior to installation in aerospace systems.
  • System Integration: Supports system integrators by providing confidence that installed optical cable assemblies will maintain performance over their service life, even when subjected to tightly confined routing or repeated handling.
  • Certification and Compliance: Aircraft manufacturers and suppliers can reference EN 3745-509:2002 to demonstrate compliance with European and international standards for fiber optic cabling in aerospace applications.

Related Standards

To ensure comprehensive performance and compatibility, EN 3745-509:2002 is used alongside several other standards within the aerospace series:

  • EN 3745-100: Aerospace series - Fibres and cables, optical, aircraft use - Test methods - Part 100: General
  • EN 2591-100: Aerospace series – Elements of electrical and optical connection – Test methods – General
  • Other Parts of EN 3745: Cover additional optical cable environmental, mechanical, and electrical performance tests

These documents collectively establish a robust framework for testing the reliability, safety, and longevity of optical fibres and cables used in aerospace systems.


Keywords: EN 3745-509, kink test, optical cable testing, aerospace fibres, aircraft fiber optics, CEN standard, aerospace cable qualification, optical cable standards, cable mechanical testing, EN 3745 series

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Frequently Asked Questions

EN 3745-509:2002 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Fibres and cables, optical, aircraft use - Test methods - Part 509: Kink test". This standard covers: This standard specifies a method of testing the resistance of an optical cable to the kink test, for aerospace applications.

This standard specifies a method of testing the resistance of an optical cable to the kink test, for aerospace applications.

EN 3745-509:2002 is classified under the following ICS (International Classification for Standards) categories: 49.060 - Aerospace electric equipment and systems. The ICS classification helps identify the subject area and facilitates finding related standards.

EN 3745-509:2002 has the following relationships with other standards: It is inter standard links to EN 2591-100:2024, EN 3745-100:2008, EN 4641-301:2024, EN 4641-401:2024, EN 4641-106:2018, EN 4641-100:2015, EN 4641-201:2018, EN 4641-103:2025, EN 4641-202:2018, EN 4641-200:2018, EN 4641-101:2015, EN 4641-301:2011, EN 4641-301:2022, EN 4641-102:2025, EN 4641-102:2009. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

EN 3745-509:2002 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aerospace series - Fibres and cables, optical, aircraft use - Test methods - Part 509: Kink testLuft- und Raumfahrt - Faseroptische Leitungen für Luftfahrzeuge - Prüfverfahren - Teil 509: KnickfestigkeitSérie aérospatiale - Fibres et câbles optiques a usage aéronautique - Méthodes d'essais - Partie 509: Sensibilité a la pliureAerospace series - Fibres and cables, optical, aircraft use - Test methods - Part 509: Kink test49.060Aerospace electric equipment and systemsICS:Ta slovenski standard je istoveten z:EN 3745-509:2002SIST EN 3745-509:2004en01-maj-2004SIST EN 3745-509:2004SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 3745-509June 2002ICS 49.060English versionAerospace series - Fibres and cables, optical, aircraft use - Testmethods - Part 509: Kink testSérie aérospatiale - Fibres et câbles optiques à usageaéronautique - Méthodes d'essais - Partie 509: Sensibilité àla pliureLuft- und Raumfahrt - Laseroptische Leitungen fürLuftfahrzeuge - Prüfverfahren - Teil 509: KnickfestigkeitThis European Standard was approved by CEN on 1 March 2002.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2002 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 3745-509:2002 ESIST EN 3745-509:2004
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