prEN 4912

Aerospace series - ECO efficiency of seats

This document specifies the determination of the ECO efficiency of passenger seats installed in large airplanes.
Only the weight aspects of ECO efficiency are in the scope of this document, but other aspects of sustainability are excluded from the scope of this document.

Luft- und Raumfahrt - ECO Effizienz von Sitzen

Série aérospatiale - Écoefficacité des sièges

Le présent document spécifie la détermination de l'écoefficacité des sièges passagers installés dans les avions de grande capacité.
Seuls les aspects de poids de l'écoefficacité font partie du domaine d’application de ce document, mais d'autres aspects de la durabilité sont exclus du domaine d'application de ce document.

Aeronavtika - Energetska učinkovitost sedežev

General Information

• Status: Not Published
• Publication Date: 20-Jan-2026
• ICS: 49.095 - Passenger and cabin equipment
• Technical Committee: ASD-STAN - Aerospace
• Drafting Committee: ASD-STAN/D 12/WG 1 - Seats and Inflight Entertainment
• Current Stage: 4060 - Closure of enquiry - Enquiry
• Start Date: 17-Oct-2024
• Completion Date: 17-Oct-2024
• Ref Project: oSIST prEN 4912:2024 - Aerospace series - ECO efficiency of seats

Standards Content (Sample)

SLOVENSKI STANDARD
01-oktober-2024
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: prEN 4912
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.

DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
July 2024
ICS 49.095
English Version
Aerospace series - ECO efficiency of seats
Série aérospatiale - Écoefficacité des sièges Luft- und Raumfahrt - ECO Effizienz von Sitzen
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee ASD-
STAN.
If this draft becomes a European Standard, 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.

This draft European Standard was established by CEN 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.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 4912:2024 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 Symbols and 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 (prEN 4912:2024) has been prepared by ASD-STAN.
This document is currently submitted to the CEN Enquiry.
Introduction
In this document, the verbal form “shall” indicates a requirement.
1 Scope
This document specifies the determination of the ECO efficiency of passenger seats installed in large
airplanes.
Only the weight aspects of ECO efficiency are in the scope of this document, but other aspects of
sustainability are excluded from the scope of this document.
2 Normative references
The following documents are referred to in the text in such a way that
...