Exercises

Hazardous operations 2200Z to 0200Z commencing daily 13 and 14 jul in area bound by 42-26.7N 131-45.0E,…

Japan Sea · HYDROPAC 1084/05

What this record establishes

Archived notice · 2005-07-15 03:00Z

This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.

Source and dates
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · NAVAREA XI 325/05 08 JUL 05.. Issued 2005-07-08 08:51Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered
Japan Sea. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.

Current notices and reporting history in the Japan Sea →

issued
2005-07-08 08:51Z
status
Archived notice
self-cancels
2005-07-15 03:00Z
authority
NAVAREA XI 325/05 08 JUL 05.
NAVAREA
NAVAREA XI · named as the source of this relay
sea
Japan Sea
position
42.483, 132.508
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 2200Z TO 0200Z
   COMMENCING DAILY 13 AND 14 JUL IN AREA BOUND BY
   42-26.7N 131-45.0E, 42-44.5N 131-33.6E,
   42-47.0N 131-35.0E, 42-48.2N 132-04.5E,
   42-37.3N 132-45.9E, 42-38.3N 133-20.0E,
   42-15.3N 133-20.0E, 42-07.7N 132-55.8E,
   42-18.0N 132-12.0E.
2. CANCEL THIS MSG 150300Z JUL.

Reading this warning

Hazardous operations
NGA's heading for activities that make an area dangerous — most often rocket launches, space debris and weapons firings, and some open-ended danger areas.
Area bound by
Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
Position (degrees and minutes)
How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.
Date-time group (DTG)
A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.

All warning terms →

Collected reports in this area · military exercises

239 within 180 nm since 1999 · 3 in the last 12 months · 0 listed in force now

99
00
05
10
15
20
25
26

Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.

Month of issue in the collected archive

J
F
M
A
M
J
J
A
S
O
N
D

All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.

Nearby notices listed in force · within 120 nm

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

9 military exercises listed in force · see all

Record snapshot 2026-10-04 02:02Z; source collection times vary.

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.