Table 26         Showing Proposed Tolerance Levels for the Frontal Rib Fracture Criterion

Injury Level

Injury Criteria Level

Chest Deflection

Equivalent AIS

Equivalent

Legislation

Equivalent EuroNCAP

 

Whole longitudinal compression

Chest depth 230 mm

-

-

-

0

(No Rib Fracture)

25%

58 mm

0

50 mm

96/79/EC

<22 – Green

<31 – Yellow

<41 – Orange

<50 – Brown

>50 - Red

1

(1 rib Fracture)

30%

70 mm

1

75 mm

FMVSS208

-

3

(2 –3 rib fractures)

35%

81 mm

2 - 3

-

-

4

(4 or more rib fractures)

40%

92 mm

4

-

-

5

(4 or more rib fractures)

40%

93 mm

4

-

-