The present document specifies technical characteristics and methods of measurements for the following equipment
types (which are parts of a Mobile Communication On Board Aircraft system):
1) The Onboard Base Transceiver Station (OBTS) supporting GSM and/or UMTS, and/or LTE communication
protocols including specific functions for restricting the transmit power of the MSs or UEs, associated with the
OBTS.
2) The Network Control Unit (NCU) preventing direct connection of the onboard mobile terminals with mobile
networks on the ground by raising the noise floor in the cabin.
The OBTSs are capable of operating in all or any part of the frequency bands given in table 1-1.
The present document applies only to radio equipment using a dedicated transmitting antenna that is designed as an
indispensable part of the system for usage on board an aircraft.
It applies to equipment for continuous and discontinuous transmission of data and digital speech.
Within the European Union, the system covered by the present document operates in accordance with the operational
requirements as outlined in the Commission Decision 2016/2317/EU [i.4] based on the former Decision 2013/654 [i.3].
In relation the NCU, some frequency bands are now optional while they were mandatory before. Due to this difference
the present document had to be reviewed.
The present document contains requirements to ensure that such Radio equipment both effectively uses and supports the
efficient use of radio spectrum in order to avoid harmful interference.
In addition to the present document, other ENs that specify technical requirements in respect of essential requirements
under other parts of article 3 of the Radio Equipment Directive [i.1] may apply to equipment within the scope of the
present document.
The present document does not cover equipment compliance with relevant civil aviation regulations. In this respect, a
MCOBA system, for its installation and operation on board an aircraft is subject to additional national or international
civil aviation airworthiness certification requirements, for example to EUROCAE ED-14G [i.7].
NOTE: The relationship between the present document and essential requirements of article 3.2 of Directive
2014/53/EU [i.1] is given in annex A.

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IEC PAS 63343:2021 specifies technical requirements, methods of test and required test results for equipment implementing ASM part of the VHF Data exchange system (VDES) as defined in ITU-R M.2092.

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The present document is applicable to deployed non-cooperative sensor as a constituent of an Advanced Surface
Movement Guidance and Control System (A-SMGCS).
The present document provides a European Standard for manufacturers, Air Navigation Service Providers and/or
Airport Operators, who have to demonstrate and declare compliance of their systems and constituents to the Essential
Requirements (ERs) of Annex VIII of Regulation (EU) 2018/1139 [i.7].
NOTE 1: The ERs in Annex VIII of Regulation (EU) 2018/1139 [i.7] covered by the present document are outlined
in Table A.1.
NOTE 2: Although the ERs of the SES Interoperability Regulation [i.1] have been repealed with effect from
11 September 2018 [i.7], a mapping of the requirements for the A-SMGCS Surveillance Service to this
same regulation [i.1] is provided in Annex B.
Any software elements related to the software assurance level of an A-SMGCS are out of scope of the present
document. As such the ERs of Regulation (EU) 2018/1139 [i.7] are not considered for software elements within the
present document.
The present document does not give presumption of conformity related to the maintenance requirements, environmental
constraints, procedure level, effect of harmful interference and civil/military coordination.
NOTE 3: For these ERs, the Air Navigation Service Provider will need to provide supplementary compliance
within their Interoperability Technical Files.
The present document does not give presumption of conformity to any current interoperability Implementing Rules
(IRs).
NOTE 4: Currently there are no relevant Implementing Rules for A-SMGCS.
Requirements in the present document which refer to "should" statements or recommendations in the normatively
referenced material (clause 2.1) are to be interpreted as fully normative ("shall") for the purpose of compliance with the
present document if they are unambiguously referred to from the present document.
The reference to particular requirements is done either by citing the unambiguous requirement number or range of
numbers (e.g. "[REQ 30.] to [REQ 35.]") or, if no requirement numbers are available, by indicating the paragraph and
clause of the reference material where the requirement can be found.
NOTE 5: Other requirements and other EU Regulations and/or Directives may be applicable to the product(s)
falling within the scope of the present document.

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The present document is applicable to deployed non-cooperative SMR sensor as a constituent of an Advanced Surface
Movement Guidance and Control System (A-SMGCS).
NOTE 1: Generic requirements for a non-cooperative sensor are defined in ETSI EN 303 213-4-1 [1].
The present document provides a European Standard for manufacturers, Air Navigation Service Providers and/or
Airport Operators, who have to demonstrate and declare compliance of their systems and constituents to the Essential
Requirements (ERs) of Annex VIII of Regulation EU 2018/1139 [i.6].
NOTE 2: The ERs in Annex VIII of Regulation EU 2018/1139 [i.6] covered by the present document are outlined
in Table A.1.
NOTE 3: Although the ERs of the SES Interoperability Regulation [i.1] have been repealed with effect from
11 September 2018 [i.6], a mapping of the requirements for the A-SMGCS Surveillance Service to this
same regulation [i.1] is provided in Annex B.
Any software elements related to the software assurance level of an A-SMGCS are out of scope of the present
document. As such the ERs of Regulation EU 2018/1139 [i.6] are not considered for software elements within the
present document.
The present document does not give presumption of conformity related to the maintenance requirements, environmental
constraints, procedure level, effect of harmful interference and civil/military coordination.
NOTE 4: For these ERs, the Air Navigation Service Provider will need to provide supplementary compliance
within their Interoperability Technical Files.
The present document does not give presumption of conformity to any current interoperability Implementing Rules
(IRs).
NOTE 5: Currently there are no relevant Implementing Rules for A-SMGCS.
Requirements in the present document which refer to "should" statements or recommendations in the normatively
referenced material (clause 2.1) are to be interpreted as fully normative ("shall") for the purpose of compliance with the
present document if they are unambiguously referred to from the present document.
The reference to particular requirements is done either by citing the unambiguous requirement number or range of
numbers (e.g. "[REQ 30.] to [REQ 35.]") or, if no requirement numbers are available, by indicating the paragraph and
clause of the reference material where the requirement can be found.
NOTE 6: Other requirements and other EU Regulations and/or Directives may be applicable to the product(s)
falling within the scope of the present document.

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The present document is applicable to Advanced Surface Movement Guidance and Control System (A-SMGCS)
Surveillance Service. This system provides enhanced surveillance functionalities, as well as a display to controllers with
accurate and unambiguous identity and position information on the entire manoeuvring and movement area of
aerodromes.
The present document provides a European Standard for manufacturers, Air Navigation Service Providers and/or
Airport Operators, who have to demonstrate and declare compliance of their systems and constituents to the Essential
Requirements (ERs) of Annex VIII of Regulation (EU) No 2018/1139 [i.1].
NOTE 1: The ERs in Annex VIII of Regulation (EU) No 2018/1139 [i.5] covered by the present document are
outlined in Table A.1.
NOTE 2: Although the ERs of the SES Interoperability Regulation [i.1] have been repealed with effect from
11 September 2018 [i.5], a mapping of the requirements for a deployed cooperative sensor including its
interfaces to this same regulation [i.1] is provided in Annex B.
Any software elements related to the software assurance level of an A-SMGCS are out of scope of the present
document. As such the ERs of Regulation EU 2018/1139 [i.5] are not considered for software elements within the
present document.
The present document does not give presumption of conformity related to the maintenance requirements, constraints,
procedure level, effect of harmful interference and civil/military coordination.
NOTE 3: For these ERs, the Air Navigation Service Provider will need to provide supplementary compliance
within their Interoperability Technical Files.
The present document does not give presumption of conformity to any current interoperability Implementing Rules
(IRs).
NOTE 4: Currently there are no relevant Implementing Rules for A-SMGCS.
Requirements in the present document which refer to "should" statements or recommendations in the normatively
referenced material (clause 2.1) are only to be interpreted as fully normative ("shall") for the purpose of compliance
with the present document if they are unambiguously referred to from the present document.
The reference to particular requirements is done either by citing the unambiguous requirement number or range of
numbers (e.g. "[REQ 30.] to [REQ 35.]") or, if no requirement numbers are available, by indicating the paragraph and
clause of the reference material where the requirement can be found.
NOTE 5: Other requirements and other EU Regulations and/or Directives may be applicable to the product(s)
falling within the scope of the present document.

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The present document is applicable to the Advanced Surface Movement Guidance and Control System (A-SMGCS)
airport safety support service. This service is based on the A-SMGCS surveillance service (as specified in ETSI
EN 303 213-1 [3]) and provides safety net functionalities to controllers with timely, accurate and unambiguous
information and alerts covering the entire manoeuvring and movement area of aerodromes.
The present document provides a European Standard for manufacturers, Air Navigation Service Providers and/or
Airport Operators, who have to demonstrate and declare compliance of their systems and constituents to the Essential
Requirements (ERs) of Annex VIII of Regulation (EU) 2018/1139 [i.4].
NOTE 1: The ERs in Annex VIII of Regulation (EU) 2018/1139 [i.4] covered by the present document are outlined
in Table A.1.
NOTE 2: Although the ERs of the SES Interoperability Regulation [i.1] have been repealed with effect from
11 September 2018 [i.4], a mapping of the requirements for the A-SMGCS Surveillance Service to this
same regulation [i.1] is provided in Annex B.
Any software elements related to the software assurance level of an A-SMGCS are outside of the scope of the present
document. As such the ERs of Regulation (EU) 2018/1139 [i.4] are not considered for software elements within the
present document.
The present document does not give presumption of conformity related to the maintenance requirements, environmental
constraints, procedure level, effect of harmful interference and civil/military coordination.
NOTE 3: For these ERs, the Air Navigation Service Provider will need to provide supplementary compliance
within their Interoperability Technical Files.
The present document does not give presumption of conformity to any current interoperability Implementing Rules
(IRs).
NOTE 4: Currently there are no relevant Implementing Rules for A-SMGCS.
Requirements in the present document which refer to "should" statements or recommendations in the normatively
referenced material (clause 2.1) are to be interpreted as fully normative ("shall") for the purpose of compliance with the
present document if they are unambiguously referred to from the present document.
The reference to particular requirements is done either by citing the unambiguous requirement number or range of
numbers (e.g. "[REQ 30.] to [REQ 35.]") or, if no requirement numbers are available, by indicating the paragraph and
chapter of the reference material where the requirement can be found.
NOTE 5: Other requirements and other EU Regulations and/or Directives may be applicable to the product(s)
falling within the scope of the present document.

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The present document is applicable to the Advanced Surface Movement Guidance and Control System (A-SMGCS)
Routing Service. This service is based on the A-SMGCS surveillance service as specified in ETSI EN 303 213-1 [3]
and generates individual routes for mobiles based on the trajectory start and end points and known constraints (e.g.
standard taxi routes, taxiway closures). In most cases these trajectory points for aircraft are the assigned runway holding
point and parking stand, or for vehicles, two positions on the movement area. Routes can be created or modified by the
Controller at any time.
The present document provides a European Standard for manufacturers, Air Navigation Service Providers and/or
Airport Operators, who have to demonstrate and declare compliance of their systems and constituents to the Essential
Requirements (ERs) of Annex VIII of Regulation (EU) No 2018/1139 [i.4].
NOTE 1: The ERs in Annex VIII of Regulation (EU) No 2018/1139 [i.4] covered by the present document are
outlined in Table A.1.
NOTE 2: Although the ERs of the SES Interoperability Regulation [i.1] have been repealed with effect from
11 September 2018 [i.4], a mapping of the requirements for the A-SMGCS Surveillance Service to this
same regulation [i.1] is provided in Annex B.
Any software elements related to the software assurance level of an A-SMGCS are outside of the scope of the present
document. As such the ERs of Regulation (EU) No 2018/1139 [i.4] are not considered for software elements within the
present document.
The present document does not give presumption of conformity related to the maintenance requirements, environmental
constraints, procedure level, effect of harmful interference and civil/military coordination.
NOTE 3: For these ERs, the Air Navigation Service Provider will need to provide supplementary compliance
within their Interoperability Technical Files.
The present document does not give presumption of conformity to any current interoperability Implementing Rules
(IRs).
NOTE 4: Currently there are no relevant Implementing Rules for A-SMGCS.
Requirements in the present document which refer to "should" statements or recommendations in the normatively
referenced material (clause 2.1) are to be interpreted as fully normative ("shall") for the purpose of compliance with the
present document if they are unambiguously referred to from the present document.
The reference to particular requirements is done either by citing the unambiguous requirement number or range of
numbers (e.g. "[REQ 30.] to [REQ 35.]") or, if no requirement numbers are available, by indicating the paragraph and
clause of the reference material where the requirement can be found.
NOTE 5: Other requirements and other EU Regulations and/or Directives may be applicable to the product(s)
falling within the scope of the present document.

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REN/ERM-TGAERO-37-1

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The present document specifies technical characteristics and methods of measurements for the following equipment:
1) Interrogators transmitting in the 1 030 MHz band, used in Mode S multilateration equipment in an Advanced
Surface Movement Guidance and Control System (A-SMGCS).
2) Receivers, receiving in the 1 090 MHz band, used in Mode S multilateration equipment in an Advanced
Surface Movement Guidance and Control System (A-SMGCS).
Antennas for this equipment are external and passive without an additional amplifier.
The present document does not apply to equipment which includes a transponder function, to ground vehicle locators
and to reference transmitters which do not contain receivers for the purpose of replying to interrogation.
NOTE: The relationship between the present document and essential requirements of article 3.2 of
Directive 2014/53/EU [i.1] is given in Annex A.

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1.1   General
Part 001 of EN 4533 examines the termination of optical fibre cables used in aerospace applications. Termination is the act of installing an optical terminus onto the end of a buffered fibre or fibre optic cable. It encompasses several sequential procedures or practices. Although termini will have specific termination procedures, many share common elements and these are discussed in this document. Termination is required to form an optical link between any two network or system components or to join fibre optic links together.
The fibre optic terminus features a precision ferrule with a tight tolerance central bore hole to accommodate the optical fibre (suitably bonded in place and highly polished). Accurate alignment with another (mating) terminus will be provided within the interconnect (or connector) alignment mechanism. As well as single fibre ferrules, it is noted that multi-fibre ferrules exist (e.g. the MT ferrule) and these will also be discussed in this part of the handbook.
Another technology used to connect 2 fibres is the expanded beam. 2 ball lenses are used to expand, collimate and then refocus the light from and to fibres. Contacts are not mated together. It helps reducing the wear between 2 contacts and allows more mating cycles. This technology is less sensitive to misalignments and dust. Losses are remaining more stable than butt joint contact even if the nominal loss is higher.
A Note on Terminology
Current terminology in the aerospace fibre optics community refers to an optical terminus or termini. The term optical contact may be seen in some documents and has a similar meaning. However, the term contact is now generally reserved for electrical interconnection pins. The optical terminus (or termini) is housed within an interconnect (connector is an equivalent term). Interconnects can be single-way or multi-way. The interconnect or connector will generally house the alignment mechanism for the optical termini (usually a precision split-C sleeve made of ceramic or metal). The reader should be aware of these different terms.
An optical link can be classified as a length of fibre optic cable terminated at both ends with fibre optic termini. The optical link provides the transmission line between any two components via the optical termini which are typically housed within an interconnecting device (typically a connector) with tight tolerancing within the alignment mechanisms to ensure a low loss light transmission.
Part 001 will explain the need for high integrity terminations, provide an insight into component selection issues and suggests best practice when terminating fibres into termini for high integrity applications. A detailed review of the termination process can be found in section 4 of this part and is organised in line with the sequence of a typical termination procedure.
The vast number of cable constructions and connectors available make defining a single termination instruction that is applicable to all combinations very difficult. Therefore, this handbook concentrates on the common features of most termination practices and defining best practice for current to near future applications of fibre optics on aircraft. This has limited the studies within this part to currently available ‘avionic’ silica fibre cables and adhesive filled butt-coupled type connectors. Many of the principles described however would still be applicable for other termination techniques. Other types of termination are considered further in the repair part of this handbook.
It is noted that the adhesive based pot-and-polish process is applicable to the majority of single-way fibre optic interconnects connectors and termini for multi-way interconnects and connectors. They share this commonality.
1.2   Need to high integrity terminations
(...)

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This document specifies a method to determine the effects of thermal shock on an optical fibre or cable.

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This European standard establishes uniform requirements for Packaging for the Common Functional
Modules (CFM) within an Integrated Modular Avionic (IMA) system. It comprises the module physical
properties and the Module Physical Interface (MPI) definitions together with guidelines for IMA rack
and the operational environment.
The characteristics addressed by the Packaging Standard are:
Interchangeability:
 For a given cooling method all modules conforming to the packaging standard will function
correctly when inserted into any rack slot conforming to the standard for the cooling method.
 All modules conforming to the Module Physical Interface (MPI) definitions for connector, IED and
cooling interface will function correctly when inserted into any rack slot conforming to the same
MPI definition.
Maintainability:
 All modules are easily removable at first line.
 No special tools required at first line.
 No manual adjustment is necessary when installing modules. No tool is required for installation or
removal of the modules.
 Mechanical keying is provided that prevents insertion of a module into a rack slot that may cause
an unsafe condition.
The Module Physical Interface definition, contained within this standard, does not include the
properties of the signalling used in the optical interface (e. g. wavelength). These are covered in
EN 4660-003.

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This European Standard establishes uniform requirements for design and development of software
architecture for modular avionics systems.

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The purpose of this MOAA standard is to define a set of open architecture standards,
concepts & guidelines for Advanced Avionics Architectures (A3).
The three main goals for the MOAA Standards are:
— Reduced life cycle costs,
— Improved mission performance,
— Improved operational performance.
The MOAA standards are organised as a set of documents including:
— A set of agreed standards that describe, using a top down approach, the Architecture overview to all
interfaces required to implement the core within avionics system,
— The guidelines for system implementation through application of the standards.
This standard details the functionality and principle interfaces of an EN 4660 compliant network to
ensure the interoperability of Common Functional Modules and design guidelines to assist in
implementation of such a network.
The purpose of this standard is to establish by means of well defined interfaces and functionality, a
network design that is technology transparent and that is open to a multi-vendor market. Therefore,
specific data communication network topology, protocols and technologies are not identified in this
document.
Although the physical organisation and implementation of the network shall remain the System
Designers choice, in accordance with the best use of the current technology, it is necessary to define
interfaces and parameter sets in order to achieve a logical definition of the network with a defined
functionality. This definition includes:
— The generic functionality applicable to all networks.
— The logical interfaces to the Operating System and Module Support Layers.
— Optionally the physical interfaces to the Common Functional Modules (CFM).
This document identifies the principle interfaces for the Network, in Clause 4, and where appropriate,
provides requirements on network parameters to be defined.

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This European Standard establishes uniform requirements for design and development of software
architecture for modular avionics systems.

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The purpose of this MOAA standard is to define a set of open architecture standards,
concepts & guidelines for Advanced Avionics Architectures (A3).
The three main goals for the MOAA Standards are:
— Reduced life cycle costs,
— Improved mission performance,
— Improved operational performance.
The MOAA standards are organised as a set of documents including:
— A set of agreed standards that describe, using a top down approach, the Architecture overview to all
interfaces required to implement the core within avionics system,
— The guidelines for system implementation through application of the standards.
This standard details the functionality and principle interfaces of an EN 4660 compliant network to
ensure the interoperability of Common Functional Modules and design guidelines to assist in
implementation of such a network.
The purpose of this standard is to establish by means of well defined interfaces and functionality, a
network design that is technology transparent and that is open to a multi-vendor market. Therefore,
specific data communication network topology, protocols and technologies are not identified in this
document.
Although the physical organisation and implementation of the network shall remain the System
Designers choice, in accordance with the best use of the current technology, it is necessary to define
interfaces and parameter sets in order to achieve a logical definition of the network with a defined
functionality. This definition includes:
— The generic functionality applicable to all networks.
— The logical interfaces to the Operating System and Module Support Layers.
— Optionally the physical interfaces to the Common Functional Modules (CFM).
This document identifies the principle interfaces for the Network, in Clause 4, and where appropriate,
provides requirements on network parameters to be defined.

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This European standard establishes uniform requirements for Packaging for the Common Functional
Modules (CFM) within an Integrated Modular Avionic (IMA) system. It comprises the module physical
properties and the Module Physical Interface (MPI) definitions together with guidelines for IMA rack
and the operational environment.
The characteristics addressed by the Packaging Standard are:
Interchangeability:
 For a given cooling method all modules conforming to the packaging standard will function
correctly when inserted into any rack slot conforming to the standard for the cooling method.
 All modules conforming to the Module Physical Interface (MPI) definitions for connector, IED and
cooling interface will function correctly when inserted into any rack slot conforming to the same
MPI definition.
Maintainability:
 All modules are easily removable at first line.
 No special tools required at first line.
 No manual adjustment is necessary when installing modules. No tool is required for installation or
removal of the modules.
 Mechanical keying is provided that prevents insertion of a module into a rack slot that may cause
an unsafe condition.
The Module Physical Interface definition, contained within this standard, does not include the
properties of the signalling used in the optical interface (e. g. wavelength). These are covered in
EN 4660-003.

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The present document specifies technical characteristics and methods of measurements for monostatic X-band radar
sensors intended for the surveillance of airport surface movement traffic with the following characteristics:
• Operating in one or both of the following frequency ranges:
- 9 000 MHz to 9 200 MHz and 9 300 MHz to 9 500 MHz utilizing modulated or unmodulated pulses.
• Transmitter Peak Envelope Power up to 100 kW.
• The transceiver-antenna connection is using a hollow metallic rectangular waveguide.
• The antenna is rotating, waveguide-based and passive.
• At the transceiver output an RF-circulator is used.
NOTE 1: Since transceiver and antenna are hollow metallic rectangular waveguide based the frequency range for
measurements that needs to be addressed covers 6,56 GHz to 26 GHz. The lower limit of this frequency
range is obtained as cut-off frequency of the combination of WR112/R84 taper section and a WR90/R100
Waveguide IEC 60153-2 [i.3]. The upper limit corresponds to the upper limit stated in table 1 of ERC
Recommendation 74-01 [2].
NOTE 2: Since at the transceiver output an RF circulator is used, it is assumed that the transceiver characteristics
remain independent from the antenna.
NOTE 3: Aeronautical Surface Movement Radars covered by the present document are expected to use the bands
9 000 MHz to 9 200 MHz and/or 9 300 MHz to 9 500 MHz. According article 5 of the ITU Radio
Regulations [3] the band 9 000 MHz to 9 200 MHz is allocated to the Aeronautical Radionavigation
Service on a primary basis and the band 9 300 MHz to 9 500 MHz is allocated to the Radionavigation
Service on a primary basis.
NOTE 4: The relationship between the present document and essential requirements of article 3.2 of Directive
2014/53/EU [i.1] is given in annex A.

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This document specifies the general characteristics, conditions for qualification, acceptance and quality assurance for a fibre optic cable with a 62,5/125 µm, MM fibre core, and 900 µm outside cable diameter and of semi-loose buffer construction for "inside avionics box" equipment fibre harnessing.

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This document specifies a method to determine the ability of an optical fibre or cable to withstand impact under specified environmental conditions.

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This European Standard specifies two methods of determining the fluid resistance of a fibre optic interconnection device.
It shall be used together with EN 3745-100 and EN 3909.

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This European product Standard specifies the general characteristics, conditions for qualification, acceptance and quality assurance for a fibre optic cable with a 9/125 µm. Single mode fibre core, 2,74 mm outside cable diameter and of semi-loose construction. The basic construction is the cable defined in EN 4641-102 with added sheaths for ruggedized usages.

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This document specifies the general characteristics, conditions for qualification, acceptance and quality assurance for a fibre optic cable with a 9/125 µm, SM fibre core, and 1,8 µm outside cable diameter and of semi loose buffer construction.

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This document specifies the general characteristics, conditions for qualification, acceptance and quality assurance for a fibre optic cable with a 9/125 µm, MM fibre core, and 900 µm outside cable diameter and of semi loose buffer construction for "inside avionics box" equipment fibre harnessing.

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2020-01-20: Originator of XML version: NEN (on behalf of NEN, ASI, DS, SFS, SIS, SN)

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This European Standard describes the procedure to measure the withdrawal force between the ferrule of an optical contact and the resilient alignment sleeve located inside the connector.
This method is suitable for use for resilient alignment sleeve qualification.
It shall be used together with EN 2591-100.

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This Standard specifies gyros functions and performances as part of a space project. This Standard covers aspects of functional and performance requirements, including nomenclature, definitions, functions and performance metrics for the performance specification of spaceborne gyros.
The Standard focuses on functional and performance specifications with the exclusion of mass and power, TM/TC interface and data structures.
When viewed from the perspective of a specific project context, the requirements defined in this Standard can be tailored to match the genuine requirements of a particular profile and circumstances of a project.
The requirements verification by test can be performed at qualification level only or also at acceptance level. It is up to the Supplier, in agreement with the customer, to define the relevant verification approach in the frame of a specific procurement, in accordance with clause 5.2 of ECSS-E-ST-10-02.
The present standard does not cover gyro use for launch vehicles.
This standard can be tailored for the specific characteristics and constraints of a space project in conformance with ECSS-S-ST-00.

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This European Standard specifies a method for measuring the tensile properties of a fibre optic cable.
It shall be used together with EN 3745-100.

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The present document specifies technical characteristics and methods of measurements for DSB AM ground based
transmitters, receivers and transceivers operating in all or any part of the aeronautical frequency band between
225 MHz and 399,975 MHz.
NOTE: The relationship between the present document and essential requirements of article 3.2 of Directive
2014/53/EU [i.1] is given in annex A.
In addition to the present document, other ENs that specify technical requirements in respect of essential requirements
under other parts of article 3 of the Directive 2014/53/EU [i.1] as well as essential requirements under the Single
European Sky (SES) Interoperability Regulation No 552/2004 [i.3] and related implementing rules and/or essential
requirements under the EASA basic Regulation No 216/2008 [i.5] as amended by Regulation No 1108/2009 [i.6] may
apply to equipment within the scope of the present document.

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This European Standard specifies the required characteristics, test methods, qualification and acceptance conditions of signal data transmission electrical cables.

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This European Standard specifies the general requirements for the methods of testing elements of
electrical, optical and data transmission system connections used in aerospace applications.

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This European Standard specifies a method of determining fire-resistance of elements of connection.
It shall be used together with EN 2591-100.

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This European Standard specifies a method for measuring the tensile properties of a fibre optic cable.
It shall be used together with EN 3745-100.

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The present document specifies technical characteristics and methods of measurements for DSB AM ground based
transmitters, receivers and transceivers operating in all or any part of the aeronautical frequency band between
225 MHz and 399,975 MHz.
The present document covers the essential requirements of article 3.2 of Directive 2014/53/EU [i.1] under the
conditions identified in annex A.
In addition to the present document, other ENs that specify technical requirements in respect of essential requirements
under other parts of article 3 of the Directive 2014/53/EU [i.1] as well as essential requirements under the Single
European Sky (SES) Interoperability Regulation No 552/2004 [i.3] and related implementing rules and/or essential
requirements under the EASA basic Regulation No 216/2008 [i.5] as amended by Regulation No 1108/2009 [i.6] may
apply to equipment within the scope of the present document.

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This European Standard specifies the required characteristics, the condition for qualification, acceptance and quality assurance for electrical and optical rectangular connectors with single or multiple removable rectangular inserts for use in a temperature range from – 65 °C to 175 °C continuous for electrical contact.
This family of connectors is particularly suitable for aeronautic use in zones of severe environmental conditions on board aircraft, applying EN 2282.
Inserts for fiber optic contacts or mixing fiber optic contacts and electrical contacts are described in EN 4639-002.

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The present document applies to transceivers, transmitters and receivers utilizing Ultra WideBand (UWB) technologies
and used onboard aircraft, i.e. radio links for intra-aircraft communications purposes inside an aircraft.
The present document applies to impulse, modified impulse and RF carrier based UWB communication technologies.
The present document applies to UWB equipment with an output connection used with a dedicated antenna or UWB
equipment with an integral antenna.
Equipment covered by the present document operates in accordance with CEPT ECC/DEC(12)03 [i.2] "The harmonised
conditions for UWB applications onboard aircraft

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This European Standard specifies the dimensions, tolerances, required characteristics and the mass of an AWG 24 shielded quad cable, type KL, intended for high speed (100 Mbit/s) full duplex Ethernet networks.
Linked to this particular application, the operating temperatures of the cable are between - 65 °C and 125 °C.
This cable is laser markable, this marking satisfies the requirements of EN 3838.
The characteristics impedance must be 100 Ω +- 15 Ω.

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This European Standard specifies a method of determining the attenuation variation of an optical cable when clamped to a mandrel with cable ties, simulating the condition in an installed harness.

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This European Standard specifies a method of checking the break resistance and attenuation variation recovery of an optical cable subjected to severe bending under load.

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This European Standard specifies a method of determining the attenuation variation of an optical cable during mechanical bending under load at the maximum and minimum operating temperatures.

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This European Standard specifies the general characteristics, the conditions for qualification, acceptance and quality assurance, as well as the test programs and groups for threaded ring coupling circular fibre optic self-locking connectors, fire-resistant or non fire-resistant, intended for use in a temperature range from −65 °C to 150 °C (cable dependent) continuous.

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The present document is applicable to Advanced Surface Movement Guidance and Control System (A-SMGCS)
Level 1. This system provides enhanced surveillance functionalities, as well as a display to controllers with accurate and
unambiguous identity and position information on the entire manoeuvring and movement area.
The present document provides a European Standard for Air Navigation Service Providers, which have to demonstrate
and declare compliance of their systems and procedures to the IOP regulation.
Any software elements related to the software assurance level of an A-SMGCS are outside of the scope of the present
document. As such the essential requirements of the Interoperability Regulation are not considered for software
elements within the present document.
The present document does not give presumption of conformity related to the maintenance requirements, environmental
constraints, procedure level, effect of harmful interference and civil/military coordination.
NOTE 1: For these ERs, please refer to the Air Navigation Service Provider procedures.
Requirements in the present document which refer to "should" statements or recommendations in the normatively
referenced material (clause 2.1) are to be interpreted as fully normative ("shall") for the purpose of compliance with the
present document.
The present document does not give presumption of conformity to any current interoperability Implementing Rules.
NOTE 2: Currently there are no relevant Implementing Rules for A-SMGCS.

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REN/ERM-TGAERO-25

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This European Standard specifies the common conditions for rectangular electrical modular connectors for receptacles and plugs with interchangeable modules and a continuous operating temperature of 175 °C (or 125 °C).
Contact arrangements for fibre optic contacts are described in EN 4639-002.

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This European Standard specifies the size 4 receptacle for rack and panel application used in the family of modular rectangular electrical and optical connector with rectangular inserts. The plug corresponding to this receptacle is defined in EN 4644-141.

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This European Standard defines the material used in the manufacturing of EN 4701 optical modules.

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The present document applies to Very High Frequency (VHF) Digital Link (VDL) Mode 4 ground-based radio
transmitters and receivers for air-ground communications operating in the VHF band, using Gaussian-filtered
Frequency Shift Keying (GFSK) Modulation with 25 kHz channel spacing and capable of tuning to any of the 25 kHz
channels from 112,000 MHz to 136,975 MHz as defined in ICAO VHF Digital Link (VDL) Standards and
Recommended Practices (SARPs) [i.5].
Manufacturers should note that in future the tuning range for the ground transceivers may also cover any 25 kHz
channel from 108,000 MHz to 111,975 MHz.
The present document contains requirements to demonstrate that "... Radio equipment shall be so constructed that it
both effectively uses and supports the efficient use of radio spectrum in order to avoid harmful interference" [i.2].
In addition to the present document, other ENs that specify technical requirements in respect of essential requirements
under other parts of Article 3 of the Directive 2014/53/EU [i.2] as well as essential requirements under the Single
European Sky Interoperability Regulation 552/2004 [i.10] and related implementing rules and/or essential requirements
under the EASA basic regulation No 216/2008 [i.3] as amended by Regulation No 1108/2009 [i.4] may apply to
equipment within the scope of the present document.

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This European Standard specifies the required characteristics of single braid, 120 ohms, size 26, electrical cable type WX, intended for digital data transmissions.
It shall be used together with EN 3375-001.

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This European Standard specifies the required characteristics of double braid, 77 ohms, size 26 electrical cable type WW, intended for digital data transmissions.
Main electrical characteristics are given in ‎4.3
It shall be used together with EN 3375-001 and EN 3375-002.

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The present document applies to VDB ground-air digital broadcast using Differential Eight Phase Shift Keying
(D8PSK) of Ground-Based Augmentation System GBAS, intended for channel increments of 25 kHz. The VDB system
provides data broadcast from ground based to aircraft systems, operating in the VHF band (108,000 MHz to
117,975 MHz). The scope of the present document is limited to ground based stations and is restricted to the civil use of
GBAS with horizontally polarized signals (GBAS/H).
The present document contains requirements to demonstrate that "... Radio equipment shall be so constructed that it
both effectively uses and supports the efficient use of radio spectrum in order to avoid harmful interference" [i.1].
In addition to the present document, other ENs that specify technical requirements in respect of essential requirements
under other parts of article 3 of the Radio Equipment Directive [i.1] as well as essential requirements under the SES
Interoperability Regulation 552/2004 [i.2] and related implementing rules and/or essential requirements under the
EASA basic Regulation (EC) No 216/2008 [i.5] and Regulation (EC) No 1108/2009 [i.6] may apply to equipment
within the scope of the present document.

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