Working Party on Noise and Tyres | Session 79 | 6-9 Feb
Geneva
Agenda Item 3.
UN Regulation No. 51 (Noise of M and N categories of vehicles)

GRBP will receive a final report on the activities of the Informal Working Group on Measurement Uncertainties (IWG MU) and will consider its proposal for a document for reference.

GRBP will also be informed about the activities of the Informal Working Group on Real Driving – Additional Sound Emission Provisions (IWG RD – ASEP).

Documentation
GRBP-79-02 Noise measurement uncertainties status report to GRBP
GRBP-79-11 IWG ASEP: Status report
GRBP-79-33/Rev.1 UN R51: Proposal for a supplement 10 to the 03 series of amendments (OICA)
GRBP-79-43 UN R51: Proposal for a supplement 11 to the 03 series of amendments (OICA)
GRBP-79-45 ASEP / RD-ASEP Study (OICA)
GRBP-79-48/Rev.1 Noise Measurement Uncertainties: Proposal to amend GRBP/2024/8
GRBP/2024/8 Measurement uncertainties when testing in UN Regulations under the purview of GRBP