Section 42.30-35 - The Winter North Atlantic Load Line(a) The part of the North Atlantic referred to in § 42.20-75(d)(1) comprises: (1) That part of the North Atlantic Winter Seasonal Zone II which lies between the meridians of 15° W. and 50° W.; and(2) The whole of the North Atlantic Winter Seasonal Zone I, the Shetland Islands to be considered as being on the boundary.CGFR 68-60, 33 FR 10069, July 12, 1968