LAC 55:III.1107. Configuration

A. Each helmet shall have a protective surface of continuous contour at all points on or above the test line described in §1113.C. The helmet shall provide peripheral vision clearance of at least 105° to each side of the mid-sagittal plane, when the helmet is adjusted as specified in §1114. The vertex of these angles, shown in §1131.D.Figure 3, shall be at the point on the anterior surface of the reference headform at the intersection of the mid-sagittal and basic planes. The brow opening of the helmet shall be at least 1 inch (2.5 cm) above all points in the basic plane that are within the angles of peripheral vision (see §1131.D.Figure 3).