Hazardous operations 2300Z to 0900Z commencing daily 19 and 20 aug in area bound by 40-57.2N 133-04.7E,…
Japan Sea · HYDROPAC 2303/12
What this record establishes
Archived notice · 2012-08-21 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 62/12 140909Z AUG 12.. Issued 2012-08-14 11:08Z. 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
These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.
- HYDROPAC 2303/12 · this notice2012-08-14 · Archived notice
- HYDROPAC 2353/122012-08-17 · Archived notice
- issued
- 2012-08-14 11:08Z
- status
- Archived notice
- self-cancels
- 2012-08-21 10:00Z
- authority
- NAVAREA XIII 62/12 140909Z AUG 12.
- NAVAREA
- NAVAREA XIII · named as the source of this relay
- sea
- Japan Sea
- position
- 41.760, 134.911
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
SEA OF JAPAN. GUNNERY. MISSILES. 1. HAZARDOUS OPERATIONS 2300Z TO 0900Z COMMENCING DAILY 19 AND 20 AUG IN AREA BOUND BY 40-57.2N 133-04.7E, 41-30.3N 132-27.2E, 41-36.3N 132-03.1E, 42-00.3N 133-12.3E, 42-35.2N 133-40.7E, 42-26.9N 134-15.2E, 43-21.7N 136-04.9E, 42-13.7N 136-33.6E, 41-17.7N 136-33.6E, 40-13.0N 135-58.5E, 41-07.7N 134-17.7E. 2. CANCEL THIS MSG 211000Z AUG 12.
Reading this warning
- Gunnery and live firing
- Naval or coastal guns firing into a sea area for practice, at stated times.
- Missile firing
- Missile tests or exercises, with the danger area and times during which missiles may be in flight or falling.
- 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.
Collected reports in this area · missile & rocket hazards
172 within 180 nm since 2010 · 5 in the last 12 months · 0 listed in force now
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.
- Missile firing2026-09-09
- Missile operations 1400Z to 0800Z daily 14 thru 18 sep in area bound by 42-31.50N 131-16.00E, 42-38.40N…2026-09-09
- Missile operations 1400Z to 0800Z daily 25 thru 30 aug in area bound by 42-43.90N 132-50.60E, 42-30.50N…2026-08-20
- Missile firing2026-08-20
- Missile operations 2300Z to 1500Z daily 11 thru 16 and 18 thru 30 jan in area bound by 42-00.00N 132-20.00E,…2026-01-08
- Missile operations 230001Z to 231000Z, 240001Z to 241400Z and 260500Z to 261400Z apr in area bound by…2024-04-19
Month of issue in the collected archive
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
4 missile & rocket hazards listed in force · see all
Record snapshot 2026-09-24 16:51Z; source collection times vary.
Missiles
Missile firings, rocket launches and space debris re-entry areas. All current missile & rocket hazards →
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.