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This document provides technical specification and specifies verification methods to support compliance with Commission Delegated Regulation (EU) 2019/945 of 12 March 2019 amended by Commission Delegated Regulation (EU) 2020/1058 of 27 April 2020 on unmanned aircraft systems (UAS) and on third-country operators of unmanned aircraft systems.
This includes compliance with product requirements for UAS intended to be operated under a standard scenario in the ‘specific’ category (class C5 and class C6 UAS).
This document is only applicable for unmanned aircraft (UA) with energy sources based on electro-chemical technologies.
Additional hazards that occur from the characteristics of the payload are excluded and are under the responsibility of the manufacturer and operator.
The present document covers requirements expressed in Annex, Part 16 requirements (1), (3), (4) and (6) and Part 17 requirements (1), (3), (6) and (7) of the Regulation 2020/1058.
- Standard47 pagesEnglish languagee-Library read for1 day
This document provides technical specification and verification methods to support compliance with Commission Delegated Regulation (EU) 2019/945 of 12 March 2019 on unmanned aircraft systems and on third-country operators of unmanned aircraft systems.
This part provides requirements, test methods and pass criteria for the means to terminate flight (flight termination) for unmanned aircraft systems, in particular addressing:
— safety related aspects of the architecture;
— descent performance;
— means to reduce the effects of impact on ground; and
— manufacturer’s instructions.
Even if security, including IT security, may be useful from an operational point of view, it falls outside the scope of this document.
An activation of the means to terminate the flight by a visual observer is also outside the scope of this document.
This document provides voluntary means of demonstrating compliance with the requirements laid out in Regulation (EU) 2019/945.
Additional hazards that occur from the characteristics of the payload are excluded and are, conversely, under the responsibility of the UAS manufacturer and UAS operator.
- Standard46 pagesEnglish languagee-Library read for1 day
The EN 4500 series specifies the rules for the drafting and presentation of metallic material standards for aerospace applications.
This Part 006 specifies the "Specific rules for filler metals for brazing".
- Standard19 pagesEnglish languagee-Library read for1 day
The EN 4500 series specifies the rules for the drafting and presentation of metallic material standards for aerospace applications.
This Part 003 specifies the "Specific rules for heat resisting alloys".
- Standard26 pagesEnglish languagee-Library read for1 day
The purpose of this document is to provide methods for quantifying the ride comfort of a passenger in a rail vehicle in response to the track sections it is operated over.
The methods aim to quantify the effects of vehicle body motions on ride comfort and to make the assessment of passenger comfort predictable, repeatable, objective and meaningful.
The methods and comfort scales are validated for people of good health.
This document applies to passengers in rail vehicles operating on heavy rail networks.
This document applies to measurements of motions. It also applies to simulated motions. Guidance is provided on:
- which method described within the document should be used for different scenarios;
- typical values for different comfort levels;
- the application of simulation.
This document excludes health and safety issues, non-passenger carrying vehicles, vehicle homologation and safety, limit values, motion sickness, discomfort caused by accelerating and braking, design guidelines and measurement technology.
- Standard85 pagesEnglish languagee-Library read for1 day
This document specifies the characteristics of inch based spherical plain bearing, metal to metal, in corrosion resisting steel, narrow series.
They are intended for use in fixed or moving parts of the aircraft structure and their control mechanisms.
They are used in the temperature range as determined by the grease capability as below:
- code A: greased as per MIL-PRF-23827 Type I, operating temperature range −73 °C to 121 °C;
- code B: greased as per MIL-PRF-81322, operating temperature range −54 °C to 177 °C.
The range of application for bearings lubricated with grease per code A is limited to 121 °C.
In both cases the spherical surface of the outer or inner ring are provided with a dry-film lubricant as per MIL-PRF-46010 or equivalent (anti-seizing protection).
The slide hole treatment either at the outer ring or inner ring.
- Standard16 pagesEnglish languagee-Library read for1 day
This document is applicable to UAS and groups of UAS used in staging and production facilities for events and theatrical productions (entertainment industry). Such facilities include: theatres, multi-purpose halls, exhibition halls; film, television and radio studios; concert halls, schools, bars, discotheques, open-air stages and other rooms for shows and events.
This document is applicable to all UAS used in the entertainment industry, indoors and outdoors. This document includes UAS that are excluded from the Commission Delegated Regulation (EU) 2020/1058 and (EU) 2019/945 specifically Article 2, 4 which excludes “UAS intended to be exclusively operated indoors”.
This document deals with all significant hazards, hazardous situations or hazardous events relevant to UAS, when they are used as intended and under conditions of misuse which are reasonably foreseeable by the manufacturer.
The document specifies the additional hazards and safety requirements for UAS categorized under the “open” category, the “specific” category, and the “certified” category, in particular, those that occur from the specific characteristics of the payload and the environment in the entertainment industry.
The principles in this document are also applicable to UAS based on new technologies or specially designed UAS which are not expressly mentioned here but which nevertheless operate in a similar manner or are meant for similar purposes to the equipment listed above.
- Standard40 pagesEnglish languagee-Library read for1 day
This document specifies checks, measurement methods and procedures in order to verify the fitness for purpose of the installed ventilation systems and air conditioning systems according to design.
It establishes a procedure intended to technically support the handing over and inspection of these systems.
This document enables the choice between checks and measurements when sufficient, and additional measurements, when necessary.
This document applies to mechanical ventilation systems (including the mechanical part of hybrid systems) and full and (partial) air conditioning systems in non-residential (parts of) buildings.
This document does not apply to:
— heat generating systems and their control;
— refrigerating systems and their control;
— distribution of heating and cooling medium to the air handling units;
— compressed air supplying systems;
— water conditioning systems;
— central steam generating systems for air humidifying;
— electric supply systems.
This document is not applicable to ventilation systems and air conditioning systems for industrial or other special process environments.
- Standard66 pagesEnglish languagee-Library read for1 day
This part of IEC 60851 specifies the following tests:
– Test 5: Electrical resistance;
– Test 13: Breakdown voltage;
– Test 14: Continuity of insulation;
– Test 19: Dielectric dissipation factor;
– Test 23: Pin hole.
For definitions and general notes on methods of test, Clause 3 of IEC 60851-1:2021 applies.
This part of IEC 60851 also specifies methods for determining the dissipation factor of enamelled winding wire, provided in Annex A.
- Standard35 pagesEnglish languagee-Library read for1 day
This document specifies methods of measuring the strippability and adherence of the insulation to a conductor of a finished cable.
When a particular method is not specified in the detail product specification, method A is the default test method.
Method B is suitable for wires insulated with materials showing a low adhesion to the conductor due to the poor repeatability of the test method A with this type of wires.
This document is intended to be used together with EN 3475-100.
- Standard7 pagesEnglish languagee-Library read for1 day
This document establishes the basic dimensions and the functional and strength requirements of corner and intermediate cast fittings for series 1 freight containers, i.e. containers which conform to ISO 668 and ISO 1496 (all parts), with the exception of air mode containers (see ISO 8323). Recognizing that there are containers which have ratings and dimensions different from ISO Series 1 containers referred to in ISO 668, which can be fitted with corner fitting of the same design as those described in this document, or of another design, special arrangements for certification of any fittings for such containers can be required.
- Standard21 pagesEnglish languagesale 15% off
This document specifies an implementable, conformance-testable coverage structure based on the abstract schema for coverages defined in the ISO 19123-1 coverage fundamentals. This document defines a concrete data structure that is suitable for encoding in many formats.
- Standard56 pagesEnglish languagesale 15% off
This document specifies requirements and provides guidance for bodies providing audit and certification of compliance management systems (CMS), in addition to the requirements contained within ISO/IEC 17021-1 [3]. Observance of these requirements is intended to ensure that certification bodies provide audit and certification in a competent, consistent and impartial manner.
- Standard17 pagesEnglish languagesale 15% off
This document provides requirements and guidelines for selecting the measuring device, measuring geometry and temperature control unit for tests involving rotational and oscillatory rheometry. The general principles of test performance are described and example evaluations of rotational and oscillatory rheometry are provided.
- Standard38 pagesEnglish languagesale 15% off
- Standard42 pagesFrench languagesale 15% off
This document specifies the conditions for conducting axial, constant-amplitude, force-controlled, fatigue tests at ambient, elevated, and low temperature on metallic specimens, without deliberately introduced stress concentrations. The object of testing while employing this document is to provide fatigue information, such as the relation between applied stress and number of cycles to failure for a given material condition, such as microstructure, at various stress ratios. While the form, preparation and testing of specimens of circular and rectangular cross-section are described, component testing and other specialized forms of testing are not included in this document. NOTE 1 Fatigue tests on notched specimens are not covered by this document since the shape and size of notched test pieces have not been standardized. However, fatigue-test procedures described in this document can be applied to fatigue tests of such notched specimens. NOTE 2 Throughout this document, the engineering stress is employed. Engineering stress is equal to the axially applied force divided by the cross-sectional area of the test specimen, S = Force/Area, [MPa], at the test temperature.
- Standard24 pagesEnglish languagesale 15% off
- Standard25 pagesFrench languagesale 15% off
This document specifies an accelerated method for the determination of wet-scrub resistance. The determination of cleanability is not covered in the scope of this document. NOTE The ability of coatings to withstand wear caused by repeated cleaning operations is an important consideration both from a practical point of view and when comparing and rating such coatings. Since wet-scrub resistance depends not only on the quality of a coating but also on the substrate, the method of application, the drying conditions and other factors, the results obtained are not directly transferable to actual practice. In this document, the evaluation of the coating is based on a defined substrate, a fixed application method, specified drying conditions and a defined method of wet scrubbing.
- Standard17 pagesEnglish languagesale 15% off
- Standard18 pagesFrench languagesale 15% off
This document specifies the chemical composition and mechanical properties of magnesium and magnesium alloys for wrought products in the form of bars and solid sections, tubes and hollow sections, forgings and plate and sheet.
- Standard30 pagesEnglish languagesale 15% off
CORRECTED VERSION 2026-07 IEC 60034-8:2026 applies to AC and DC machines and specifies: a) rules for the identification of winding connection points; b) marking of winding terminals; c) direction of rotation; d) relationship between terminal markings and direction of rotation; e) terminal marking of auxiliary devices; f) connection diagrams of machines for common applications. This fourth edition cancels and replaces the third edition published in 2007 and Amendment 1:2014. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) The inclusion of turbine-type synchronous machines in the scope. The content of the corrigendum 1 (2026-07) has been included in this copy.
- Draft36 pagesEnglish languagee-Library read for1 day
This document specifies photometric methods of test for comparing in the visible spectrum: the tinting strength of two similar coloured pigments dispersed in an alkyd resin without a drier; the scattering power of two white pigments of the same type dispersed in an alkyd resin without a drier. This document does not apply to the comparison of coloured pigments that on reduction differ greatly in colour.
- Standard11 pagesEnglish languagesale 15% off
- Standard11 pagesFrench languagesale 15% off
This document specifies requirements and provides recommendations for campsite facilities and services, covering the following: campsite layout and design; sanitation and other important facilities; sustainability; inclusivity and accessibility; safety and security. This document aims to ensure that campsite facilities, amenities, services and management practices meet basic safety and environmental requirements, while providing a good quality camping experience for guests. This document applies to campsites in natural or developed areas that are designed and managed to provide pitches for guests using their own camping units (such as tents, leisure accommodation vehicles including caravans, motor caravans or camper vans) and/or static or semi-permanent accommodation units (such as camping houses, mobile homes, rental caravans, safari tents or similar) supplied by the campsite operator. This document applies to campsite owners, operators and regulators.
- Standard10 pagesEnglish languagesale 15% off
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