ZCZC PA74 210854 UTC OCT 26 MSI 261/26 NORTH SEA FOLLOWING PLATFORMS HAVE DEFECTS: L10B 53-27.4N 004-13.9E BLACK OUT L10-M 53-34N 004-01E UNLIT G16B 54-07N 005-15E UNLIT AND FOGHORN INOPERATIVE N7-FA-1 53-30N 006-14E FOGHORN INOPERATIVE K15-FA1 53-14N 003-59E UNLIT G16-A 54-07N 005-12E NAV AIDS UNRELIABLE L13 -FE1 53-18N 004-14E NAV AIDS UNRELIABLE CANCEL MSI 259/26.. NNNN