Hazardous operations 0001Z to 0900Z daily 02 thru 05, 09 thru 13, 16 thru 20, 23 thru 27 and 30 jun in area…
Japan Sea · HYDROPAC 1028/08
What this record establishes
Archived notice · 2008-06-30 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 XI 248/08 30 MAY 08.. Issued 2008-05-30 10:22Z. 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 the reported line or operation extent; it is not a vessel track. Check the original wording for limits and qualifications.
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2008-06-02 00:01Z | 2008-06-02 09:00Z | — | 8 h 59 |
| 2008-06-03 00:01Z | 2008-06-03 09:00Z | — | 8 h 59 |
| 2008-06-04 00:01Z | 2008-06-04 09:00Z | — | 8 h 59 |
| 2008-06-05 00:01Z | 2008-06-05 09:00Z | — | 8 h 59 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2008-05-30 10:22Z
- status
- Archived notice
- self-cancels
- 2008-06-30 10:00Z
- authority
- NAVAREA XI 248/08 30 MAY 08.
- NAVAREA
- NAVAREA XI · named as the source of this relay
- sea
- Japan Sea
- position
- 37.898, 130.077
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 0001Z TO 0900Z DAILY 02 THRU 05, 09 THRU 13, 16 THRU 20, 23 THRU 27 AND 30 JUN IN AREA BETWEEN 38-08N 129-51E, 38-08N 130-10E, 37-39N 130-10E, 37-42N 129-51E. 2. CANCEL THIS MSG 301000Z JUN.
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.
- 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 · military exercises
330 within 180 nm since 1999 · 0 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.
- Gunnery exercises 0001Z to 0800Z daily 20 thru 24 jun in area bound by 38-15N 129-51E, 38-14N 130-10E,…2011-06-15
- Gunnery exercises 2300Z to 0800Z commencing daily 19 thru 23 jun in area bound by 38-25N 128-45E, 38-25N…2011-06-15
- Gunnery exercises 0001Z to 0800Z daily 13 thru 17 jun in area bound by 38-15N 129-51E, 38-14N 130-10E,…2011-06-08
- Gunnery exercises 2300Z to 0800Z commencing daily 12 thru 16 jun in area bound by 38-25N 128-45E, 38-25N…2011-06-08
- Gunnery exercises 2300Z to 0800Z commencing daily 06 thru 09 jun in area bound by 38-25N 128-45E, 38-25N…2011-06-02
- Gunnery exercises 0001Z to 0800Z daily 07 thru 10 jun in area bound by 38-15N 129-51E, 38-14N 130-10E,…2011-06-02
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
30 military exercises listed in force · see all
Record snapshot 2026-09-30 12:22Z; 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.