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U.S. Department of Homeland Security

District 11 Broadcast Notice to Mariners Message

Message Originator: Los Angeles/Long Beach

SAFETY / SOUTHERN CA, PACIFIC OCEAN / HAZ OPS / SEC LA-LB BNM 0056-25 /

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//

BT