Document Number GRSP/2019/19
1 2 3 4 5 6 7 8 9 10
Document title UN R129: Proposal for Supplement 3 the 03 series of amendments
Date 26 Sep 2019 Proposal to introduce limit values for the chest vertical acceleration (Az) of Q dummies during dynamic testing of Enhanced Child Restraint Systems (ECRS) until such time as upper neck tension Force (Fz) and upper neck flexion moment (My) criteria can be established.
Source(s) ANEC, CI, and Global NCAP
Status Withdrawn
Rulemaking area(s)
Meeting(s)
Related documents
GRSP-65-06 UN R129: Proposal for amendment
GRSP-66-28 UN R129: Proposal for Supplement 3 to 03 Series of amendments (Superseded)
GRSP-67-23 UN R129: Explanatory presentation to CLEPA neck load limits proposal
GRSP-68-05 UN R129: Proposal for the 04 series of amendments (Superseded)
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Excerpts from session reports related to this document
GRSP | Session 66 | 10-13 Dec 2019

41. GRSP agreed to defer discussion on ECE/TRANS/WP.29/GRSP/2019/19 and amendment GRSP-66-28 to its May 2020 session. The expert from the Netherlands also withdrew ECE/TRANS/WP.29/GRSP/2019/36. The expert from CLEPA introduced three proposals : (a) to provide instructions to consumers in a digital form (GRSP-66-11), (b) on essential measurement information to be recorded in the type approval system (GRSP-66-12) and (c) to improve the procedure for assessment of the external dimensions of ECRS (GRSP-66-13). GRSP agreed to hold informal documents GRSP-66-11, GRSP-66-12 and GRSP-66-13 and wait for possible new documents at its May 2020 session.