Exercises

Hazardous operations 2300Z to 0200Z commencing daily 29 and 30 aug and 0400Z to 0700Z daily 30 and 31 aug in…

HYDROPAC 1643/08

issued
2008-08-25 11:19Z
status
cancelled 2008-08-31 08:00Z (archive)
self-cancels
2008-08-31 08:00Z
authority
NAVAREA XI 453/08 25 AUG 08.
sea
Japan Sea
position
42.149, 134.666
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 2300Z TO 0200Z COMMENCING
   DAILY 29 AND 30 AUG AND 0400Z TO 0700Z DAILY
   30 AND 31 AUG IN AREA BOUND BY
   41-51.5N 131-57.2E, 42-29.5N 131-57.2E,
   42-29.5N 133-00.0E, 43-40.0N 136-06.0E,
   42-00.0N 136-31.5E, 40-48.0N 135-58.0E.
2. CANCEL THIS MSG 310800Z AUG.

This area · military exercises

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

99
00
05
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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

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.