1、BSI Standards PublicationBS EN 4723:2015Aerospace series Standardized measurementmethods for comfort andliving space criteria for aircraftpassenger seatsBS EN 4723:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 4723:2015. The UK participation in its prepar
2、ation was entrusted to TechnicalCommittee 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
3、are responsible for its correct application. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 81334 4 ICS 49.095 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the
4、 Standards Policy and Strategy Committee on 30 September 2015.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 4723:2015EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4723 September 2015 ICS 49.095 English Version Aerospace series - Standardized measurement metho
5、ds for comfort and living space criteria for aircraft passenger seats Srie arospatiale - Mesure standardise du confort et de lespace de vie des siges passagers davion Luft- und Raumfahrt - Sandardisierte Memethoden fr Komfort und Living Space Kriterien bei Passagiersitzen im Flugzeug This European S
6、tandard was approved by CEN on 19 March 2015. 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 concernin
7、g 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 it
8、s 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, Germa
9、ny, 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 COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR
10、NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4723:2015 EBS EN 4723:2015EN 4723:2015 (E) 2 Contents Page European foreword . 4 1 Scope 5 2 Normative re
11、ferences 5 3 Abbreviations and definitions 6 4 Requirements . 7 4.1 General 7 4.2 Comfort and living space metrics 7 5 Technical/geometric definitions and measurement methods . 9 5.1 General 9 5.2 Cushion reference point (CRP) . 9 5.2.1 CRP definition . 9 5.2.2 CRP measurement method 9 5.3 Seat refe
12、rence point (SRP) 10 5.3.1 SRP definition 10 5.3.2 SRP measurement method . 10 5.4 Seat measurement reference point (SMRP) / Seat comfort reference point (SCRP) . 11 5.4.1 SMRP/SCRP definition 11 5.4.2 SMRP / SCRP measurement method . 11 5.5 H-point . 11 5.5.1 H-point definition. 11 5.5.2 H-point me
13、asurement method 12 6 Living space 12 6.1 Pitch and 3-D living space . 12 6.1.1 Pitch and 3-D living space definition 12 6.1.2 Pitch and 3-D living space measurement method 13 6.2 Shin clearance (SHC) . 13 6.2.1 SHC definition 13 6.2.2 SHC measurement method . 13 6.3 Shoulder obstruction height (SOH
14、) . 14 6.3.1 SOH definition . 14 6.3.2 SOH measurement method . 14 6.4 Table height over bottom cushion edge (TH) 15 6.4.1 TH definition 15 6.4.2 TH measurement method . 15 6.5 Visual space (VS) 15 6.5.1 VS definition . 15 6.5.2 VS measurement method 16 6.6 Knee space (KS) 16 6.6.1 KS definition . 1
15、6 6.6.2 KS measurement method 16 6.7 Foot Space (FS) 17 6.7.1 FS definition . 17 6.7.2 FS measurement method . 17 6.8 Bed length in full recline position 17 6.8.1 Bed length in full recline position definition . 17 BS EN 4723:2015EN 4723:2015 (E) 3 6.8.2 Bed length in full recline measurement method
16、 . 18 6.9 Armrest length (ARL) 18 6.9.1 ARL definition 18 6.9.2 ARL measurement method 18 6.10 Armrest width in total (ARW) 19 6.10.1 ARW definition 19 6.10.2 ARW measurement method 19 6.11 Seat width between armrests (SWAR) 19 6.11.1 SWAR definition 19 6.11.2 SWAR measurement methods 20 6.12 Armres
17、t height over compressed cushion height (ACH) 20 6.12.1 ACH definition 20 6.12.2 ACH measurement method . 20 6.13 Bed width at elbow level (43 in / 1 092,2 mm from end of bed) in full recline position . 20 6.13.1 Bed width at elbow level in full recline position definition 20 6.13.2 Bed width at elb
18、ow level in full recline position measurement method 21 6.14 Bed width at shoulder level 21 6.14.1 Bed width at shoulder level definition 21 6.14.2 Bed width at shoulder level measurement method . 22 7 Comfort . 22 7.1 Armrest top height over seat bottom cushion (TACH) 22 7.1.1 TACH definition . 22
19、7.1.2 TACH measurement method. 23 7.2 Cushion height above cabin floor level (CHoF) 23 7.2.1 Cushion height above cabin floor level definition 23 7.2.2 Cushion height above cabin floor level measurement method 23 7.3 Average bed angle in full recline position . 23 7.3.1 Average bed angle in full rec
20、line position definition 23 7.3.2 Average bed angle in full recline position measurement method 24 7.4 Headrest thickness (HT) 24 7.4.1 Headrest thickness definition 24 7.4.2 Headrest thickness measurement method . 25 7.5 Traverse path of headrest including extreme positions 25 7.5.1 Traverse path o
21、f headrest including extreme positions definitions . 25 7.5.2 Traverse path of headrest including extreme positions measurement method . 25 7.6 Seat depth 26 7.6.1 Seat depth definition . 26 7.6.2 Seat depth measurement method . 26 7.7 Backrest angle to seat bottom cushion (with and w/o recline) . 2
22、6 7.7.1 Backrest angle to seat bottom cushion (with and w/o recline) definition 26 7.7.2 Backrest angle to seat bottom cushion (with and w/o recline) measurement method . 27 7.8 Seat bottom pressure mapping / distribution (BPD) 27 7.8.1 Seat bottom pressure mapping definition . 27 7.8.2 Seat bottom
23、pressure mapping measurement method 28 7.9 Foam hardness. 28 7.9.1 Foam hardness definition 28 7.9.2 Foam hardness measurement method . 28 7.10 Integrated seat climate definition 28 7.10.1 Integrated seat climate definition 28 7.10.2 Integrated seat climate measurement method 28 BS EN 4723:2015EN 47
24、23:2015 (E) 4 European foreword This document (EN 4723:2015) 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 European Standard has received the a
25、pproval 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 March 2016, and con
26、flicting national standards shall be withdrawn at the latest by March 2016. 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. According
27、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, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Gree
28、ce, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 4723:2015EN 4723:2015 (E) 5 1 Scope This European Standard specifies requirements and measu
29、rement methods for the assessment of passenger living space and comfort. Its aim is to improve the passenger comfort quality of aircraft cabins and provide measurement methods to compare cabin seat layouts and seats. 2 Normative references The following documents, in whole or in part, are normativel
30、y 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 ISO 1856, Flexible cellular polymeric materials Determination of
31、 compression set (ISO 1856) SAE AS8049B, Performance Standard for Seats in Civil Rotorcraft, Transport Aircraft, and General Aviation Aircraft 1)SAE J826, Devices for Use in Defining and Measuring Vehicle Seating Accommodations 1)ASTM D3574, Standard Test Methods for Flexible Cellular Materials Slab
32、, Bonded, and Molded Urethane Foams 2)1) Published by: SAE National (US) Society of Automotive Engineers (http:/www.sae.org/).2) Published by: ASTM National (US) American Society for Testing and Materials (http:/www.astm.org/).BS EN 4723:2015EN 4723:2015 (E) 6 3 Abbreviations and definitions For the
33、 purposes of this document, the following abbreviations and definitions apply. A/C Aircraft ACH Armrest height over compressed cushion height ARL Armrest length ARW Armrest width ATD Anthropomorphic test dummy BPD Seat bottom pressure distribution / mapping CAD Computer-aided design CCD Compressed c
34、ushion datum CHoF Cushion height over floor level CRP Cushion reference point E/C Economy Class e.g. exempli gratia (for example) FS Foot space H-point Hip-point HR Headrest HT Headrest thickness KS Knee space LR Long range P/C Premium Class PAX Passenger SAE Society of automotive engineers SCRP Sea
35、t comfort reference point SHC Shine clearance SOH Shoulder obstruction height SMRP Seat measurement reference point SRP Seat reference point SWAR Seat width between armrests TACH Armrest top height over seat bottom cushion TH Table height over bottom cushion TTL Taxi-take off-landing VS Visual space
36、 w/o Without BS EN 4723:2015EN 4723:2015 (E) 7 4 Requirements 4.1 General For the aim of this document, the aircraft coordinate system is shown in Figure 1. Figure 1 Aircraft coordinate system 4.2 Comfort and living space metrics Compliance with airworthiness requirements, e.g. passageways, minimum
37、aisle widths between armrests etc. are mandatory. Comfort and living space criteria are often mixed up. Table 1, Table 2 and Table 3 indicate the category each criterion belongs to. Table 1 Economy class passenger seats Living space Comfort Economy class seat metrics Pitch Armrest height relative to
38、 cushion height 3-D living space Seat surface climate Shin clearance at 60, 45 Cushion height above cabin floor level Shin clearance at 35 for LR A/C only Seat depth Shoulder obstruction height Backrest angle to seat bottom cushion (with and w/o recline) Table height over bottom cushion edge Headres
39、t thickness Visual space Traverse path of headrest including extreme positions Knee space For seats with kinematics and hinge point in the backrest traverse path of headrest including extreme positions for basic and hinged position Clearance height below seat in front Seat pan pressure mapping Lengt
40、h of armrest Headrest type (hammock, movable x-ways, integrated in backrest foam) Width of armrest Foam hardness Seat width between armrests Usable seat bottom cushion width between armrests Ingress/egress at 28 in (711,2 mm), 30 in (762 mm), 32 in (812,8 mm) pitch, each with backrest table deployed
41、/undeployed at no and full recline BS EN 4723:2015EN 4723:2015 (E) 8 Table 2 Premium class passenger seats lie flat Living space Comfort Lie flat business class metrics Shoulder obstruction height Armrest height relative to cushion height Pitch Seat height Table height over bottom cushion edge Cushi
42、on height above cabin floor level in upright (TTL) mode 3-D living space Seat surface climate Visual space Total seat depth in full recline position Knee space Average bed angle in full recline position Bed length in full recline position Headrest thickness Seat bottom width in upright (TTL) positio
43、n Traverse path of headrest including extreme positions Bed width at elbow level 43 in (1 092,2 mm) from end of bed in full recline position Backrest angle to seat bottom cushion (with and w/o recline) Bed with at shoulder level 60 in (1 524 mm) from end of bed in full recline position Seat pan pres
44、sure mapping Length of armrest Headrest type (hammock, movable x-ways, integrated in backrest foam) Width of armrest Foam hardness Seat width between armrests Usable seat bottom cushion width between armrests Table 3 Premium class passenger seats full flat Living space Comfort Full flat/full horizon
45、tal business class metrics Shoulder obstruction height Armrest height relative to cushion height Pitch Seat height 3-D living space Seat surface climate Table height over bottom cushion edge Cushion height above cabin floor level in upright (TTL) mode Visual space Total seat depth in full recline po
46、sition Knee space Headrest thickness Bed length in full recline position Traverse path of headrest including extreme positions Seat bottom width in upright (TTL) position Backrest angle to seat bottom cushion (with and w/o recline) Bed width at elbow level 43 in (1 092,2 mm) from end of bed in full
47、recline position Seat pan pressure mapping Living space at elbow level in full recline position Headrest type (hammock, movable x-ways, integrated in backrest foam) Bed width at shoulder level 60 in (1 524 mm) from end of bed in full recline position Foam hardness Length of armrest Width of armrest
48、Seat width between armrests Usable seat bottom cushion width between armrests BS EN 4723:2015EN 4723:2015 (E) 9 5 Technical/geometric definitions and measurement methods 5.1 General This clause specifies the different geometrical points from which measures are taken. Measuring methods are indicated
49、below each of the measure explanations and figures. They shall be used to provide an objective and reproducible result for each seat measured. Measurements shall be carried out as indicated using anthropomorphic dummies (95%ile, 50%ile male and 5%ile Japanese female) according to SAE AS8049B if not stated differently. In case of non-availability, humans matching the anthropomorphic data may be used. Measures shall be taken in an upright and fully reclined position. 5.2 Cushion reference point (CRP) 5.2.1 CRP definition The cushion reference point (CRP), see
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