Japan Opinion for TF-BTA Proposals Submitted by Japan Informal document GRSP-56-03 (56th GRSP, 9-12 December 2014, agenda item 3(a) and 16) Japan Opinion for TF-BTA Proposals Opinion: Japan supports the proposals ECE/TRANS/WP.29/GRSP/2014/17 and ECE/TRANS/WP.29/GRSP/2014/31, provided that the test area is defined to have an angle θ up to 30 deg., as specified in the current regulation. Reason: Proper evaluation cannot be guaranteed beyond the 30 deg. area. Comparison bet. impactor and human model Effect of the impactor’s rotation Angle Time (ms) (TF-BTA 7-06) (TF-BTA 3-05)