Exercises

Hazardous operations 2200Z to 0200Z commencing daily 14 and 15 jul and 0400Z to 0900Z daily 15 and 16 jul in…

Japan Sea · HYDROPAC 1184/03

What this record establishes

Archived notice · 2003-07-16 10:00Z

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 XIII 20/03 090917Z JUL 03; NAVAREA XIV 80/03 090414Z JUL 03. Issued 2003-07-09 10:20Z. 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.

Related notices and cancellation links

Current notices and reporting history in the Japan Sea →

issued
2003-07-09 10:20Z
status
Archived notice
self-cancels
2003-07-16 10:00Z
authority
NAVAREA XIII 20/03 090917Z JUL 03; NAVAREA XIV 80/03 090414Z JUL 03
NAVAREA
NAVAREA XIII · named as the source of this relay
sea
Japan Sea
position
42.373, 133.069
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 14 AND 15 JUL AND 0400Z TO 0900Z DAILY
   15 AND 16 JUL IN AREA BOUND BY
   41-53.0N 132-00.0E, 42-27.0N 131-14.0E,
   42-40.0N 131-17.0E, 42-50.0N 131-32.0E,
   42-48.0N 132-08.0E, 42-43.0N 132-21.0E,
   42-40.3N 133-02.5E, 42-45.0N 134-43.0E,
   41-48.0N 134-34.0E, 42-11.0N 132-29.0E.
2. CANCEL HYDROPAC 1180/03(83).
3. CANCEL THIS MSG 161000Z 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.
Cancellation reference
A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
HYDROPAC
The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.
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 05:09Z; 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.