Exercises

Hazardous operations 0200Z to 1200Z daily 22 thru 25 oct in area bound by 41-55N 131-55E, 42-10N 131-20E,…

HYDROPAC 1893/09

issued
2009-10-18 00:31Z
status
cancelled 2009-10-18 03:28Z (archive)
self-cancels
2009-10-25 13:00Z
authority
NAVAREA XI 679/09 171136Z OCT 09.
sea
Japan Sea
position
42.178, 132.808
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 0200Z TO 1200Z DAILY
   22 THRU 25 OCT IN AREA BOUND BY
   41-55N 131-55E, 42-10N 131-20E,
   42-30N 131-30E, 42-30N 134-00E,
   41-45N 134-00E.
2. CANCEL THIS MSG 251300Z OCT.

Activity windows · 4 in this warning

opens (UTC)closes (UTC)locallength
2009-10-22 02:00Z2009-10-22 12:00Z10 h
2009-10-23 02:00Z2009-10-23 12:00Z10 h
2009-10-24 02:00Z2009-10-24 12:00Z10 h
2009-10-25 02:00Z2009-10-25 12:00Z10 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

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

99
00
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25
26

Season · when military exercises happen here

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

Timeline

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.