SIST EN 4912:2025

Aerospace series - ECO efficiency of seats

This document specifies the determination of the ECO efficiency of passenger seats installed in large airplanes.
This document is only applicable to the weight aspects of ECO efficiency, but this document does not apply to other aspects of sustainability.

Luft- und Raumfahrt - ECO Effizienz von Sitzen

Dieses Dokument legt die Bestimmung der Eco-Effizienz von Passagiersitzen fest, die in großen Flugzeugen eingebaut sind.
Dieses Dokument ist nur anwendbar auf die Gewichtsaspekte der Eco-Effizienz, dieses Dokument ist jedoch nicht anwendbar für andere Nachhaltigkeitsaspekte.

Série aérospatiale - Écoefficacité des sièges

Le présent document spécifie la détermination de l'écoefficacité des sièges passagers installés dans les avions de grande capacité.
Ce document ne s’applique qu’aux aspects de poids de l'écoefficacité ; il ne s’applique pas à d’autres aspects de la durabilité.

Aeronavtika - Energetska učinkovitost sedežev

General Information

• Status: Published
• Public Enquiry End Date: 15-Oct-2024
• Publication Date: 30-Sep-2025
• ICS: 49.095 - Passenger and cabin equipment
• Technical Committee: I13 - Imaginarni 13
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 29-Sep-2025
• Due Date: 04-Dec-2025
• Completion Date: 01-Oct-2025
• Ref Project: EN 4912:2025 - Aerospace series - ECO efficiency of seats

Standards Content (Sample)

SLOVENSKI STANDARD
01-november-2025
Aeronavtika - Energetska učinkovitost sedežev
Aerospace series - ECO efficiency of seats
Luft- und Raumfahrt - ECO Effizienz von Sitzen
Série aérospatiale - Écoefficacité des sièges
Ta slovenski standard je istoveten z: EN 4912:2025
ICS:
49.095 Oprema za potnike in Passenger and cabin
oprema kabin equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 4912
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2025
EUROPÄISCHE NORM
ICS 49.095
English Version
Aerospace series - ECO efficiency of seats
Série aérospatiale - Écoefficacité des sièges Luft- und Raumfahrt - ECO Effizienz von Sitzen
This European Standard was approved by CEN on 4 August 2025.

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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4912:2025 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Abbreviations . 5
5 Definition of seat category . 5
6 Seat weight . 7
6.1 Seat weight for the eco efficiency index (EEI) . 7
6.2 Benchmark seat weight (BSW) . 7
6.2.1 General. 7
6.2.2 Calculation . 8
7 Determination of the eco efficiency index (EEI) . 9

European foreword
This document (EN 4912:2025) has been prepared by ASD-STAN.
After enquiries and votes carried out in accordance with the rules of this Association, this
document has received the approval of the National Associations and the Official Services of the
member countries of ASD-STAN, 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 2026, and conflicting national standards
shall be withdrawn at the latest by March 2026.
Attention is drawn to the possibility that some of the elements of this document may be the subject
of patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national standards
body. A complete listing of these bodies can be found on the CEN website.
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, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,
Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,
Switzerland, Türkiye and the United Kingdom.
Introduction
In
...