18-21 Feb | Geneva
4. UN Regulation No. 51 (Noise of M and N Categories of Vehicles)
Annotations
Documentation

GRBP will be informed about the activities of IWG RD – ASEP.

GRBP-81-04 RD-ASEP informal group status report to GRBP
GRBP-81-18/Rev.1 RD-ASEP Subgroup on UN-R 138 and UN-R 51: Status report to GRBP
Other submissions
GRBP-81-32/Rev.1 RD-ASEP Monitoring

At the previous session, GRBP considered alternative proposals by the experts from the European Commission (EC) and from the International Organization of Motor Vehicle Manufacturers (OICA) regarding sound emission limits of electric vehicles equipped with exterior sound systems (ECE/TRANS/WP.29/GRBP/78, paras. 10-14) and agreed to establish a new group of interest on this issue. GRBP will be briefed on the activities of the new group.

Other submissions
GRBP-81-32/Rev.1 RD-ASEP Monitoring

GRBP may also wish to resume consideration of the revised document for reference prepared by experts from the Informal Working Group on Measurement Uncertainties (IWG MU).

GRBP-80-07/Rev.1 Reference document: Measurement Uncertainties when testing
GRBP/2024/8 Measurement uncertainties when testing in UN Regulations under the purview of GRBP
Other submissions
GRBP-81-32/Rev.1 RD-ASEP Monitoring