Regulation No. 51 (Noise of M and N categories of vehicles)
Documentation
GRB-55-09
Proposal for draft 03 series of amendments to Regulation No. 51 (OICA)
Proposal for draft 03 series of amendments to Regulation No. 51
This proposal would revise the transitional provisions of the proposed 03 series of amendments to Regulation No. 51 (see GRB/2012/2). OICA believes the preceding text may create problems in the granting or accepting of type approvals under the previous series.
GRB-55-10/Rev.1
Japanese proposal on R51 limit values (Revised) (JASIC)
Japanese proposal on R51 limit values (Revised)
Updated JASIC presentation in support of Japanese positions for the 03 series of the UN regulation on vehicle noise (UN R51). The presentation addresses a three-stage, six-year transition to more stringent noise limitations and proposes additional vehicle subcategories.