Exercises

Hazardous operations 1805Z to 1949Z daily 18 thru 20 sep in areas bound by: a. 34-26N 120-40W, 34-27N…

NAVAREA XII 225/07

issued
2007-09-13 11:33Z
status
cancelled 2007-09-20 20:49Z (archive)
self-cancels
2007-09-20 20:49Z
authority
WESTERN RANGE OPS W7134 13 SEP 07.
sea
North Pacific Ocean
position
12.598, -125.595
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 1805Z TO 1949Z DAILY 18 THRU 20 SEP
   IN AREAS BOUND BY:
   A. 34-26N 120-40W, 34-27N 120-48W,
      34-46N 120-42W, 34-44N 120-33W.
   B. 34-08N 120-58W, 34-27N 120-51W,
      34-23N 120-36W, 34-04N 120-43W.
   C. 30-58N 121-55W, 31-51N 121-40W,
      31-46N 121-17W, 30-53N 121-32W.
   D. 08-06N 127-00W, 13-45N 125-53W,
      13-35N 124-57W, 07-55N 126-04W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 202049Z SEP.

Activity windows · 3 in this warning

opens (UTC)closes (UTC)locallength
2007-09-18 18:05Z2007-09-18 19:49Z1 h 44
2007-09-19 18:05Z2007-09-19 19:49Z1 h 44
2007-09-20 18:05Z2007-09-20 19:49Z1 h 44

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

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

99
00
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22

Season · when military exercises happen here

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F
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A
M
J
J
A
S
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N
D

month of issue, all years in the archive

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.