Document ID: chunk:federal_register_of_legislation:F2005L03990:front:0:p5
Version: federal_register_of_legislation:F2005L03990
Segment Type: other
Provision Reference: 
Character Range: 12681–15410

It is so designed as to diminish the risk of injury to the wearer, in the event of a collision or of abrupt deceleration of the vehicle by limiting the mobility of the wearer's body.
2.14.  "Rearward-facing" means facing in the direction opposite to the normal direction of travel of the vehicle.
3. APPLICATION FOR APPROVAL  [NOT APPLICABLE]
4. APPROVAL  [NOT APPLICABLE]
5. SPECIFICATIONS
5.1. General specifications applicable to all tests
5.1.1. The "H" point for each seat shall be determined in accordance with the procedure described in annex 6.
5.1.2. When the protective system for the front seating positions includes belts, the belt components shall meet the requirements of Regulation No. 16.
5.1.3. Seating positions where a dummy is installed and the protective system includes belts, shall be provided with anchorage points conforming to Regulation No. 14.
5.2. Specifications
 The test of the vehicle carried out in accordance with the method described in annex 3 shall be considered satisfactory if all the conditions set out in paragraphs 5.2.1. to 5.2.6. below are all satisfied at the same time.
5.2.1. The performance criteria recorded, in accordance with annex 8, on the dummies in the front outboard seats shall meet the following conditions:
5.2.1.1.  The head performance criterion (HPC) shall not exceed 1000 and the resultant head acceleration shall not exceed 80 g for more than 3 ms. The latter shall be calculated cumulatively, excluding rebound movement of the head;
5.2.1.2.  The neck injury criteria (NIC) shall not exceed the values shown in Figures 1 and 2 [3];
Figure 1
Neck tension criterion

Figure 2
Neck shear criterion
5.2.1.3. The neck bending moment about the y axis shall not exceed 57 Nm in extension 3/ ;
5.2.1.4. The thorax compression criterion (ThCC) shall not exceed 50 mm;
5.2.1.5.  The viscous criterion (V * C) for the thorax shall not exceed 1,0 m/s;
5.2.1.6.  The femur force criterion (FFC) shall not exceed the force-time performance criterion shown in Figure 3;
Figure 3
Femur force criterion
5.2.1.7.  The tibia compression force criterion (TCFC) shall not exceed 8 kN;
5.2.1.8.  The tibia index (TI), measured at the top and bottom of each tibia, shall not exceed 1,3 at either location;
5.2.1.9.  The movement of the sliding knee joints shall not exceed 15 mm.
5 .2 .2.  Residual steering wheel displacement, measured at the centre of the steering wheel hub, shall not exceed 80 mm in the upwards vertical direction and 100 mm in the rearward horizontal direction.
5.2.3. During the test no door shall open;
5.2.4. During the test no locking of the locking systems of the front doors shall occur;
5.2.5. After the impact, it shall be possible, without the use of tools