1. HAZARDOUS OPERATIONS IN NAVAREA XII FOR SURFACE VESSELS WILL BE CONDUCTED WITHIN THE FOLLOWING OFFSHORE AREAS AS FOLLOWS: A. HAZARD AREA 34-56N - 121-26W 34-54N - 120-36W 34-44N - 120-37W 34-43N - 120-43W 34-51N - 121-26W 34-56N - 121-26W (CLOSING THE FIRST POINT) B. HAZARD AREA 35-02N - 121-37W 34-56N - 120-37W 34-41N - 120-36W 34-45N - 121-39W 35-02N - 121-37W (CLOSING THE FIRST POINT) 2. HAZARDOUS OPERATIONS WILL BE CONDUCTED DURING THE FOLLOWING: DATES/TIMES/MONTH/YEAR----OP NUMBER W5144 191400 Z MAR TO 191540 Z MAR 2025---- DO 2505 (PRIMARY) 201330 Z MAR TO 202040 Z MAR 2025---- DO 2505 (BACKUP DAY) 3. SURFACE VESSELS ARE STRONGLY ADVISED TO AVOID THIS AREA DEFINED DURING SPECIFIED DATES / TIMES. 4. DURING OPERATIONS, FRONTIER CONTROL WILL BE MANAGING HAZARDOUS AREA SURFACE TRAFFIC ON VHF MARINE BAND CHANNEL 16 AND CHANNEL 6. CANCEL AT//202040Z MAR 25//
