ZCZC JA57 070730 UTC AP__ __PI_M M_Y_M _MLSHFX_EAST OF KADETRENDEN. SURVEY OPERATIONS BY 'NORTHERN STORM/MISA7', COMMENCING IN POSITION 54-35,7N 012-33,8E VESSEL WILL BE CROSSING TSS ON POSITION 54-52,8N 013-02,4E RESTRICTED MANOEVRABILITY DURING OPERATIONS. BERTH OF 500 METERS REQUESTED. CANCEL GERMAN NAV WARN 188/26 NNNN