Navigation Center
United States Coast Guard
U.S. Department of Homeland Security

District 11 Broadcast Notice to Mariners Message

Message Originator: Los Angeles/Long Beach

SAFETY / SOUTHERN CA, PACIFIC OCEAN / SPACE OPERATIONS / SEC LALB BNM 0196-26 /

1. HAZARDOUS WINDOW - 1

A. SPACE LAUNCH OPERATIONS CONSIDERED HAZARDOUS TO SURFACE VESSELS WILL BE CONDUCTED WITHIN THE FOLLOWING OFFSHORE AREAS OF NAVAREA XII AS FOLLOWS:

HAZARD AREA – 1

34 - 29' 0" N 120 - 29' 0" W
34 - 40' 0" N 120 - 37' 0" W
34 - 38' 0" N 120 - 42' 0" W
33 - 49' 0" N 120 - 55' 0" W
29 - 13' 0" N 121 - 56' 0" W
29 - 13' 0" N 121 - 36' 0" W
TO BEGINNING

34.48333333 -120.48333333
34.66666667 -120.61666667
34.63333333 -120.7
33.81666667 -120.91666667
29.21666667 -121.93333333
29.21666667 -121.6
TO BEGINNING

B. HAZARDOUS OPERATIONS WILL BE CONDUCTED DURING THE FOLLOWING:
DATES/TIMES/MONTH/YEAR----

280200Z JUL TO 280625Z JUL 2026---- (PRIMARY)
290200Z JUL TO 290625Z JUL 2026---- (BACKUP DAY)
300200Z JUL TO 300625Z JUL 2026---- (BACKUP DAY)
310200Z JUL TO 310625Z JUL 2026---- (BACKUP DAY)
010200Z AUG TO 010625Z AUG 2026---- (BACKUP DAY)
020200Z AUG TO 020625Z AUG 2026---- (BACKUP DAY)
030200Z AUG TO 030625Z AUG 2026---- (BACKUP DAY)

2. HAZARDOUS WINDOW - 2

A. SPACE LAUNCH OPERATIONS CONSIDERED HAZARDOUS TO SURFACE VESSELS WILL BE CONDUCTED WITHIN THE FOLLOWING OFFSHORE AREAS OF NAVAREA XII AS FOLLOWS:

HAZARD AREA – 1

29 - 13' 0" N 121 - 31' 0" W
29 - 13' 0" N 122 - 3' 0" W
28 - 49' 0" N 122 - 14' 0" W
27 - 41' 0" N 122 - 6' 0" W
28 - 42' 0" N 121 - 25' 0" W
TO BEGINNING

29.21666667 -121.51666667
29.21666667 -122.05
28.81666667 -122.23333333
27.68333333 -122.1
28.7 -121.41666667
TO BEGINNING

B. HAZARDOUS OPERATIONS WILL BE CONDUCTED DURING THE FOLLOWING:
DATES/TIMES/MONTH/YEAR----

280200Z JUL TO 280643Z JUL 2026---- (PRIMARY)
290200Z JUL TO 290643Z JUL 2026---- (BACKUP DAY)
300200Z JUL TO 300643Z JUL 2026---- (BACKUP DAY)
310200Z JUL TO 310643Z JUL 2026---- (BACKUP DAY)
010200Z AUG TO 010643Z AUG 2026---- (BACKUP DAY)
020200Z AUG TO 020643Z AUG 2026---- (BACKUP DAY)
030200Z AUG TO 030643Z AUG 2026---- (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//030300Z AUG 26//

BT