BS EN 4727-2017 Aerospace series Standardized passenger seat weight information《航空航天系列 乘客座椅重量标准化信息》.pdf

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1、Aerospace series - Standardized passenger seat weight informationBS EN 4727:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4727 May 2017 ICS 49.095 Supersedes EN 4727:2015English Version Aerospace series - Sta

2、ndardized passenger seat weight information Srie arospatiale - Dfinition standardise du poids dun sige passager Luft- und Raumfahrt - Standardisierte Sitzgewichtsangaben fr Passagiersitze This European Standard was approved by CEN on 16 October 2016. CEN members are bound to comply with the CEN/CENE

3、LEC 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 o

4、r 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 off

5、icial 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

6、, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All r

7、ights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4727:2017 ENational forewordThis British Standard is the UK implementation of EN 4727:2017. It supersedes BS EN 4727:2015 which is withdrawn.The UK participation in its preparation was entrust

8、ed to Technical Committee ACE/1, International and European Aerospace Policy and Processes.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible

9、for its correct application. The British Standards Institution 2017Published by BSI Standards Limited 2017ISBN 978 0 580 95150 3ICS 49.095Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy a

10、nd Strategy Committee on 31 July 2017.Amendments/corrigenda issued since publicationDate Text affected BRITISH STANDARDBS EN 4727:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4727 May 2017 ICS 49.095 Supersedes EN 4727:2015English Version Aerospace series - Standardized passenger seat we

11、ight information Srie arospatiale - Dfinition standardise du poids dun sige passager Luft- und Raumfahrt - Standardisierte Sitzgewichtsangaben fr Passagiersitze This European Standard was approved by CEN on 16 October 2016. CEN members are bound to comply with the CEN/CENELEC Internal Regulations wh

12、ich 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 E

13、uropean 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

14、 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,

15、 Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in an

16、y form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4727:2017 EBS EN 4727:2017EN 4727:2017 (E) 2 Contents Page European foreword 3 1 Scope 4 2 Normative references 4 3 Abbreviations . 4 4 Requirements . 5 5 Template of seat weight lists 8 Annex A (informative) Standard e

17、volution form 9 BS EN 4727:2017EN 4727:2017 (E) 3 European foreword This document (EN 4727:2017) 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

18、European 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,

19、at the latest by November 2017, and conflicting national standards shall be withdrawn at the latest by November 2017. 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

20、 any or all such patent rights. This document supersedes EN 4727:2015. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmar

21、k, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 47

22、27:2017EN 4727:2017 (E) 4 1 Scope The weight for cabin equipment is an important topic in the aviation business. The cabin equipment weight has a direct impact on the payload of the aircraft, operation cost and revenue of the airlines. Due to the number of aircraft seats, seats are one of the major

23、weight drivers in the cabin. At this time, a lot of seat weights are used without any clear definition, e.g. allowable max. weight, certified weight, defined weight. For the definition of each customer specific cabin, it is important to get comparable seat weights. Aircraft seats are very different

24、with regard to seat envelope dimensions and integrated features and options. For a weight calculation and product comparison, it is very helpful to get comparable weight information based on a standard weight. The aim of this European Standard is to define a clear definition for the different weight

25、 information and a baseline for a seat weight calculation to get comparable seat weights for seat brochures and marketing reasons. 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 ref

26、erences, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. CS 25, Certification Specification for Large Aeroplances1)3 Abbreviations For the purposes of this document, the following abbreviations apply. A/C Aircr

27、aft B/C Business class E/C Economy class F/C First class FAI First article inspection IAT in-armrest table IFE Inflight-entertainment IIL Installation Instructions and Limitations OEMs original equipment manufacturer PCU Power control unit P/N Part number SEB Seat electronic box Std. Standard 1) Pub

28、lished by: European Aviation Safety Agency (EASA), Postfach 101253, D-50452 Koeln, Germany. BS EN 4727:2017EN 4727:2017 (E) 5 4 Requirements 4.1 General Aircraft seats are highly customized and the final seat weight always depends on the specific customer requests. In order to get a clear weight def

29、inition and to cover all needs of the OEMs, airlines and seat suppliers, following seat weights need to be clearly defined: a) Catalogue seat weight; b) Estimated seat weight; c) Calculated seat weight; d) Actual seat weight empty; e) Maximum seat weight loaded; f) Maximum certified seat weight; g)

30、Defined seat weight. 4.2 Catalogue seat weight 4.2.1 Economy class (E/C) seats The catalogue seat weight is a theoretical seat weight, evaluated based on a pre-defined seat definition. The catalogue seat weight shall be used for marketing reasons in seat catalogues and seat brochures. The catalogue

31、weight according to this document ensures the availability of comparable weight information for the seat models offered on the market. The catalogue seat weight shall be evaluated for a Std. triple and front row triple seat with a seat width of 62 in (1 575 mm) measured from the most inboard to the

32、most outboard point and installed on two (2) straight seat legs. Following parts need to be considered: a) Primary structure: 1) Two (2) seat legs, including two (2) front and two (2) rear fittings; 2) Base members / seat track covers between front and rear fittings; 3) Baggage bar under all three (

33、3) seat places; 4) Beams (front and rear if two (2) beams); 5) Seat spreaders; 6) Seat pans; 7) Seat belt attachments. BS EN 4727:2017EN 4727:2017 (E) 6 b) Secondary structure: 1) One (1) fixed armrest structure outboard; 2) Two (2) armrest structures for foldable centre armrest (for front row seats

34、 two (2) fixed armrests with integrated in-armrest tables); 3) One (1) armrest structure for a foldable armrest aisle side for handicapped people (for front row seats one (1) fixed armrest with integrated in-armrest table); 4) Three (3) backrest structures; 5) Three (3) recline mechanisms (if a seat

35、 is offered only with no recline it needs to be indicated); 6) One (1) aisle side stewardess step; 7) All smaller structure items needed, e.g. gap closures. c) Seat cushion assemblies: Std. as offered by the seat supplier including fire blocking layer if needed. d) Backrest cushion assemblies: Std.

36、as offered by the seat supplier including fire blocking layer if needed. e) Seat belts: Three (3) Std. seat belts, weight: 315 g / seat belt. f) Backrest tables: Three (3) standard backrest table kits including the table itself, table latch and any optional functions e.g. sliding mechanism and each

37、related means of attachment to seat structure (if a seat table is offered only with no sliding mechanism it shall be indicated). g) Literature pockets: One (1) on each backrest, minimum size DIN A4. Detailed design up to seat supplier. h) Life vest pockets: Three (3) life vest pockets, one (1) under

38、 each seatplace, designed for a life vest size of 240 mm 240 mm 90 mm and a weight of 600 g / life vest. i) Trim and finish: 1) Seat cover fabric, uni colour / no pattern: 750 g/m2; 2) All plastic fairings for armrests need to be included; 3) Trolley guard strip (rub strips) on aisle side; 4) Armres

39、t covers; 5) Backrest fairings. j) Trim strips (e.g. edge protection tape, hook and loop tapes, ). All non-metallic components and materials shall fulfil the criteria of CS 25. The weight impact of any offered option like ashtrays, cup holders, coat hooks, leg or footrest, floatation cushions, IFE o

40、r IFE provisions (like shroud or swivel mechanism, etc.) shall be indicated in a separate table. BS EN 4727:2017EN 4727:2017 (E) 7 IFE shall be considered with the following baseline definition: a) IFE monitor (if in-seat video is offered); b) One (1) SEB; c) Three (3) PCUs; d) Needed in-seat cables

41、. As the specific weight of IFE equipment is varying, the following classification in Table 1 shall be used for total IFE weight per triple seat as defined in this paragraph: Table 1 Classification for total IFE weight per pax Classification Total IFE weight per pax Class A 500 g Class B 501 g to 1

42、000 g Class C 1 001 g to 1 500 g Class D 1 501 g to 2 000 g Class E 2 000 g 4.2.2 First class (F/C) and Business class (B/C) seats F/C and B/C seat concepts are very different and often highly customized. The definition of the calculated seat weight is up to the seat supplier. The weight information

43、 shall be based on the same fabric, seat belt and life vest information as defined for the economy class seat. The rest of the detailed design is up to the seat supplier, but a clear list of considered features and options including IFE and monitor size is to be provided by the seat supplier with th

44、e calculated seat weight. 4.3 Estimated seat weight The estimated seat weight is the estimated seat weight empty for each seat part number (P/N) (single, double, triple, quadruple) as estimated during the pre-design phase according to the specific customer request including customer specific trim an

45、d finish and all accessories, e.g. IFE, seat actuation, reading lights, seat belts etc. (but without any life vests). In general, for a detailed weight list the component break down as listed in 4.2 can be used. The estimated weight is based on estimated weight of single parts and estimations on pre

46、vious designs. 4.4 Calculated seat weight The calculated seat weight is the calculated seat weight empty for each seat part number (P/N) (single, double, triple, quadruple) as calculated based on drawings/models released for manufacturing during the design phase according to the specific customer re

47、quest including customer specific trim and finish and all accessories, e.g. IFE, seat actuation, reading lights, seat belts etc. (but without any life vests). In general, for a detailed weight list the component break down as listed in 4.2 can be used. The calculated seat weight is based on the weig

48、ht of the single parts. BS EN 4727:2017EN 4727:2017 (E) 8 4.5 Actual seat weight empty The actual seat weight empty is the weight of each seat part number (P/N) (single, double, triple, quadruple) as designed according to the specific customer request including customer specific trim and finish and

49、all accessories, e.g. IFE, seat actuation, reading lights etc. In general, for a detailed weight list the component break down as listed in 4.2 can be used. Consider the seat as ready for aircraft installation. The weight will be finally checked during first article inspection (FAI). The seat unit will be weighed empty as delivered to the OEM fully equipped with seat belts, cushions, dress covers, IFE but without any life vest and other weight of contents for any stowage compartments or literature pockets. The actual weight empty needs to be shown in

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