Aerospace series - Bonding straps for aircraft - Part 001: Technical specification

This European Standard specifies the general characteristics of bonding straps with flat or round braided copper conductor, and terminal lugs, crimped on both ends, for use on aircraft.

Luft- und Raumfahrt - Masseverbinder für Luftfahrzeuge - Teil 001: Technische Lieferbedingungen

Diese Europäische Norm legt die allgemeinen Eigenschaften von Masseverbindern mit flachen oder runden Geflechtleitern aus Kupfer sowie Kabelschuhen, beidseitig gecrimpt, zur Verwendung in Luftfahrzeugen fest.

Série aérospatiale - Tresses de métallisation pour avion - Partie 001: Spécification technique

La présente Norme Européenne spécifie les caractéristiques générales des tresses de métallisation avec conducteur plat ou de section circulaire, tressé en cuivre, et cosses, serties aux extrémités, utilisées sur les avions.

Aeronavtika - Ozemljitvene zbiralke za letala - 001. del: Tehnična specifikacija

General Information

Status
Published
Publication Date
09-Jan-2014
Technical Committee
I13 - Imaginarni 13
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
03-Jan-2014
Due Date
10-Mar-2014
Completion Date
10-Jan-2014

Relations

Effective Date
01-Feb-2014

Overview

SIST EN 4199-001:2014 is a European Standard published by CEN, titled Aerospace series - Bonding straps for aircraft - Part 001: Technical specification. This standard specifies the general characteristics and technical requirements for bonding straps used in aircraft applications. These bonding straps feature flat or round braided copper conductors with terminal lugs crimped on both ends. Designed specifically for aerospace use, SIST EN 4199-001:2014 ensures quality, reliability, and durability in bonding straps essential for safe and efficient aircraft electrical systems.

The standard applies to bonding straps with tin or nickel-plated braided copper conductors and corresponding terminal lugs. It covers design aspects, material specifications, performance tests, quality assurance measures, marking, and packaging requirements.

Key Topics

  • Scope and Application
    SIST EN 4199-001:2014 sets technical criteria for aircraft bonding straps, focusing on copper braids-both flat and round-used as grounding or bonding conductors to ensure electrical continuity and safety.

  • Materials and Construction
    Bonding straps must use copper conductors either tin or nickel plated to withstand specified temperature ranges:

    • Tin-plated straps: −65°C to 150°C
    • Nickel-plated straps: −65°C to 260°C
      Terminal lugs are crimped at both ends to secure reliable electrical and mechanical connections.
  • Design Considerations
    The straps are designed to resist normal handling, installation, and maintenance stresses. Special attention is required when straps handle frequencies above 100 kHz to maintain electromagnetic compatibility by limiting the length-to-width ratio.

  • Testing Requirements
    SIST EN 4199-001:2014 mandates rigorous testing to ensure durability, electrical performance, and mechanical integrity, including:

    • Visual inspections and dimensional checks
    • Ohmic resistance measurement under controlled temperature
    • Mechanical fatigue (flexure endurance) tests simulating real aircraft conditions
    • Environmental aging tests such as salt mist exposure and rapid temperature cycling
    • Tensile strength tests on crimped connections
      These tests comply with related aerospace standards EN 3475 and EN 2591.
  • Quality Assurance and Qualification
    Manufacturers must conduct qualification tests before production start or after significant changes. Tests are grouped into visual, mechanical, electrical, and environmental categories to guarantee compliance. Ongoing quality maintenance involves periodic requalification every three years or after production stoppage.

  • Marking and Packaging
    Bonding straps must be clearly marked and packaged to prevent damage during transport and storage, in accordance with the product standard.

Applications

SIST EN 4199-001:2014 bonding straps are critical components in aerospace electrical assemblies. They are primarily used for:

  • Grounding and bonding in aircraft electrical systems to prevent electrical shocks and ensure proper circuit function
  • EMC (Electromagnetic Compatibility) applications where stable electrical continuity is required without interference
  • Durable electrical connections in harsh environments subject to vibration, temperature extremes, and humidity
  • Maintenance-friendly installations, allowing ease of handling and long-term reliability in flight operations

These bonding straps are essential for meeting strict aerospace safety and performance standards in both commercial and military aircraft.

Related Standards

SIST EN 4199-001:2014 references and aligns with several other key aerospace and electrical standards, including:

  • EN 2591 series – Aerospace electric terminal lugs and splices, crucial for crimping specifications
  • EN 3475 series – Aerospace cables and conductors test methods
  • EN 9133 – Quality management qualification procedures for aerospace standard parts
  • IEC 60050-581 – Electromechanical components vocabulary and definitions

These complementary standards support SIST EN 4199-001:2014 in ensuring comprehensive coverage of bonding strap performance, testing, and quality management in aircraft electrical systems.


Keywords: EN 4199-001, aerospace bonding straps, aircraft bonding straps, braided copper conductor, crimped terminal lugs, aerospace electrical standards, aircraft electrical bonding, bonding strap testing, EN 2591, EN 3475, aerospace quality assurance

Standard

SIST EN 4199-001:2014

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Frequently Asked Questions

SIST EN 4199-001:2014 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Aerospace series - Bonding straps for aircraft - Part 001: Technical specification". This standard covers: This European Standard specifies the general characteristics of bonding straps with flat or round braided copper conductor, and terminal lugs, crimped on both ends, for use on aircraft.

This European Standard specifies the general characteristics of bonding straps with flat or round braided copper conductor, and terminal lugs, crimped on both ends, for use on aircraft.

SIST EN 4199-001:2014 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.

SIST EN 4199-001:2014 has the following relationships with other standards: It is inter standard links to SIST EN 4199-001:2009. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

SIST EN 4199-001:2014 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)


SLOVENSKI STANDARD
01-februar-2014
1DGRPHãþD
SIST EN 4199-001:2009
$HURQDYWLND2]HPOMLWYHQH]ELUDONH]DOHWDODGHO7HKQLþQDVSHFLILNDFLMD
Aerospace series - Bonding straps for aircraft - Part 001: Technical specification
Luft- und Raumfahrt - Masseverbinder für Luftfahrzeuge - Teil 001: Technische
Lieferbedingungen
Série aérospatiale - Tresses de métallisation pour avion - Partie 001: Spécification
technique
Ta slovenski standard je istoveten z: EN 4199-001:2013
ICS:
49.060 /HWDOVNDLQYHVROMVND Aerospace electric
HOHNWULþQDRSUHPDLQVLVWHPL equipment and systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 4199-001
NORME EUROPÉENNE
EUROPÄISCHE NORM
January 2013
ICS 49.060 Supersedes EN 4199-001:2006
English Version
Aerospace series - Bonding straps for aircraft - Part 001:
Technical specification
Série aérospatiale - Tresses de métallisation pour avion - Luft- und Raumfahrt - Masseverbinder für Luftfahrzeuge -
Partie 001: Spécification technique Teil 001: Technische Lieferbedingungen
This European Standard was approved by CEN on 3 November 2012.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the CEN-CENELEC 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 translation
under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same
status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United
Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2013 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4199-001:2013: E
worldwide for CEN national Members.

Contents Page
Foreword .3
1 Scope .4
2 Normative references .4
3 Terms and definitions .4
4 Required characteristics .4
5 Design .5
6 Tests .5
7 Quality assurance .9
8 Designation . 11
9 Marking . 11
10 Packaging . 11

Foreword
This document (EN 4199-001:2013) has been prepared by the Aerospace and Defence Industries Association
of Europe - Standardization (ASD-STAN).
After enquiries and votes carried out in accordance with the rules of this Association, this Standard has
received the approval of the National Associations and the Official Services of the member countries of ASD,
prior to its presentation to CEN.
This European Standard shall be given the status of a national standard, either by publication of an identical
text or by endorsement, at the latest by July 2013, and conflicting national standards shall be withdrawn at the
latest by July 2013.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 4199-001:2006.
According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech
Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece,
Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.

1 Scope
This European Standard specifies the general characteristics of bonding straps with flat or round braided
copper conductor, and terminal lugs, crimped on both ends, for use on aircraft.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
EN 2591 (all parts), Aerospace series — Elements of electrical and optical connection — Test methods
EN 3373-001, Aerospace series — Terminal lugs and in-line splices for crimping on electric conductors —
Part 001: Technical specification

EN 3475 (all parts), Aerospace series — Cables, electrical, aircraft use — Test methods
EN 9133, Aerospace series — Quality management systems — Qualification procedure for aerospace
standard parts
IEC 60050-581, International Electrotechnical Vocabulary — Part 581: Electromechanical components for
1)
electronic equipment
3 Terms and definitions
For the purposes of this document, the terms and definitions given in IEC 60050-581 and the following apply.
 a flat or round braided copper conductor, tin or nickel plated;
 crimped on terminal lugs at both ends.
4 Required characteristics
4.1 General
See product standard.
4.2 Temperature range
See Table 1.
1)
Published by: IEC International International Electrotechnical Commission http://www.iec.ch/.
Table 1
Temperature
Class Material/finish
range
T − 65 °C to 150 °C Tin plated copper braided conductor and tin plated copper terminal lugs
Nickel plated copper braided conductor and nickel plated copper terminal
N
− 65 °C to 260 °C
lugs
4.3 Material
Materials shall be suitable for the intended use and as specified in the product standard.
4.4 Finish
See product standard.
4.5 Dimensions and mass
See product standard.
5 Design
Bonding straps for aircraft shall be designed and assembled in a careful and competent manner so as to
withstand normal handling during installation and maintenance in service. In order to achieve good reliable
...

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