Exercises

Hazardous operations 0015Z to 0230Z daily 12 thru 14 jan in areas bound by: a. 34-30N 120-38W, 34-32N…

NAVAREA XII 4/03

issued: 2003-01-07 09:50Z
status: cancelled 2003-01-13 01:25Z (archive)
self-cancels: 2003-01-14 03:30Z
authority: VAFB OP#W3028 272305Z DEC 02
sea: North Pacific Ocean
position: 16.423, -123.722
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 0015Z TO 0230Z DAILY 12 THRU 14 JAN
   IN AREAS BOUND BY:
   A. 34-30N 120-38W, 34-32N 120-47W,
      34-46N 120-42W, 34-44N 120-33W.
   B. 34-05N 121-00W, 34-23N 120-53W,
      34-19N 120-37W, 34-01N 120-43W.
   C. 13-21N 124-34W, 18-30N 123-52W,
      18-24N 123-03W, 13-15N 123-46W.
2. CANCEL THIS MSG 140330Z JAN.

Activity windows · 3 in this warning

opens (UTC)	closes (UTC)	local	length
2003-01-12 00:15Z	2003-01-12 02:30Z	—	2 h 15
2003-01-13 00:15Z	2003-01-13 02:30Z	—	2 h 15
2003-01-14 00:15Z	2003-01-14 02:30Z	—	2 h 15

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

This area · military exercises

32 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now

Hazardous operations 151212Z to 151547Z sep, alternate 1212Z to 1547Z daily 16 thru 18 sep in area bound by…2018-09-10
Hazardous operations2011-06-04
Hazardous operations2010-11-03
Hazardous operations2010-11-03
Hazardous operations2010-10-28
Hazardous operations2010-10-26

Season · when military exercises happen here

month of issue, all years in the archive

Timeline

Cancel NAVAREA XII 4/03 and this msg, operations completedcancelled by · 2003-01-13

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

35 military exercises in force · see all

Exercises

Gunnery, firing and naval exercise areas. All current military exercises →

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.