Exercises

Hazardous operations 070400Z to 071400Z and 0200Z to 1400Z daily 08 and 09 sep in area bound by 42-00N…

Japan Sea · HYDROPAC 1429/05

What this record establishes

Archived notice · 2005-09-09 15:00Z

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 40/05 02 SEP 05.. Issued 2005-09-02 16:54Z. 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 →

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2005-09-07 04:00Z2005-09-07 14:00Z—10 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

issued
2005-09-02 16:54Z
status
Archived notice
self-cancels
2005-09-09 15:00Z
authority
NAVAREA XIII 40/05 02 SEP 05.
NAVAREA
NAVAREA XIII · named as the source of this relay
sea
Japan Sea
position
42.167, 132.746
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 070400Z TO 071400Z AND
   0200Z TO 1400Z DAILY 08 AND 09 SEP IN AREA
   BOUND BY 42-00N 132-20E, 42-10N 132-00E,
   42-20N 132-20E, 42-20N 133-20E, 42-00N 133-20E.
2. CANCEL THIS MSG 091500Z SEP.

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.
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.
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.

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

17 military exercises listed in force · see all

Record snapshot 2026-09-24 23:40Z; 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.