ZCZC PA10 171207 UTC JUL 26 MSI 185/26 NORTH SEA FOLLOWING PLATFORMS HAVE DEFECTS: F3-OLT 54-51N 004-44E UNLIT N7-FA-1 53-30N 006-14E FOGHORN INOPERATIVE K6-PC 53-42N 003-52E FOGHORN INOPERATIVE K15-FA1 53-14.8N 003-59.2E UNZIT G16-A 54-07N 005-12E NAV AIDS UNRELIABLE K5 ENC 53-43N 003-31E TOTAL BLACKOUT CANCEL MSI 175/26 NNNN