R51/R138-12-05
Technical Background dLASEP Term
Source(s)
HMG
Date
28 Jul 2025
Status
Subject
Meeting(s)

This presentation provides information on the term ΔLASEP introduced by OICA in its sound level proposal GRBP/2025/20.

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UNECE server
Related documents
GRBP/2025/20
UN R51: Proposal for corrections to the 03 series of amendments (Approved by GR)
Excerpts from session reports
GRBP | Session 82 | 3-5 Sep 2025

8. The expert from OICA also proposed clarifications and corrections for UN Regulation No. 51 (ECE/TRANS/WP.29/GRBP/2025/20 as amended by GRBP-82-07, GRBP-82-22, GRBP-82-23). GRBP adopted these proposals as part of draft Supplement 11 to the 03 series of amendments to UN Regulation No. 51 and agreed to freeze it for the time being, awaiting other amendment proposals before transmission to WP.29 and AC.1.

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