Exercises

Hazardous operations 041745Z to 041920Z nov in areas bound by: a. 35-32N 123-16W, 36-26N 123-09W, 36-24N…

NAVAREA XII 280/04

issued: 2004-10-29 01:07Z
status: cancelled 2004-11-03 17:26Z (archive)
self-cancels: 2004-11-04 20:20Z
authority: VANDENBERG AFB OP W8786 28 OCT 04.
sea: North Pacific Ocean
position: 23.649, -125.813
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 041745Z TO 041920Z
   NOV IN AREAS BOUND BY:
   A. 35-32N 123-16W, 36-26N 123-09W,
      36-24N 122-44W, 35-30N 122-52W.
   B. 28-22N 125-15W, 30-31N 124-47W,
      30-21N 123-48W, 28-12N 124-16W.
   C. 20-05N 127-47W, 24-13N 126-58W,
      23-48N 124-35W, 19-40N 125-28W.
2. CANCEL THIS MSG 042020Z NOV.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2004-11-04 17:45Z	2004-11-04 19:20Z	—	1 h 35

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

12 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

Season · when military exercises happen here

month of issue, all years in the archive

Timeline

Hazardous operations 091724Z to 091916Z nov, alternate 111719Z to 111916Z nov in areas bound by: a. 35-32N…cancelled by · 2004-11-03

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.