Exercises

Hazardous operations 2200Z to 0300Z commencing daily 17 thru 19 mar and 0500Z to 0900Z daily 18 thru 20 mar…

HYDROPAC 541/09

issued
2009-03-14 11:16Z
status
cancelled 2009-03-20 10:00Z (archive)
self-cancels
2009-03-20 10:00Z
authority
NAVAREA XI 159/09 13 MAR 09.
sea
Japan Sea
position
42.203, 134.071
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 2200Z TO 0300Z COMMENCING
   DAILY 17 THRU 19 MAR AND 0500Z TO 0900Z DAILY
   18 THRU 20 MAR IN AREA BOUND BY
   41-57.5N 131-32.0E, 42-22.8N 131-14.0E,
   42-41.0N 131-18.2E, 42-49.2N 131-40.0E,
   42-48.0N 132-07.5E, 42-41.2N 132-22.0E,
   42-44.0N 132-55.0E, 42-41.0N 133-02.5E,
   42-41.0N 133-28.7E, 43-33.0N 135-37.0E,
   42-20.0N 136-02.0E, 40-57.2N 135-38.5E.
2. CANCEL THIS MSG 201000Z MAR.

Activity windows · 6 in this warning

opens (UTC)closes (UTC)locallength
2009-03-17 22:00Z2009-03-18 03:00Z5 h
2009-03-18 05:00Z2009-03-18 09:00Z4 h
2009-03-18 22:00Z2009-03-19 03:00Z5 h
2009-03-19 05:00Z2009-03-19 09:00Z4 h
2009-03-19 22:00Z2009-03-20 03:00Z5 h
2009-03-20 05:00Z2009-03-20 09:00Z4 h

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

238 within 180 nm since 1999 · 2 in the last 12 months · 2 in force now

99
00
05
10
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25
26

Season · when military exercises happen here

J
F
M
A
M
J
J
A
S
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month of issue, all years in the archive

Nearby now · 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.