Gunnery exercises 2300Z to 0100Z commencing daily 27 thru 29 jul and 0400Z to 0600Z daily 28 thru 30 jul in…
Japan Sea · HYDROPAC 1423/08
What this record establishes
Archived notice · 2008-07-30 07:00Z
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 33/08 26 JUL 08.. Issued 2008-07-26 16:29Z. 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.
Activity windows · 6 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2008-07-27 23:00Z | 2008-07-28 01:00Z | — | 2 h |
| 2008-07-28 04:00Z | 2008-07-28 06:00Z | — | 2 h |
| 2008-07-28 23:00Z | 2008-07-29 01:00Z | — | 2 h |
| 2008-07-29 04:00Z | 2008-07-29 06:00Z | — | 2 h |
| 2008-07-29 23:00Z | 2008-07-30 01:00Z | — | 2 h |
| 2008-07-30 04:00Z | 2008-07-30 06:00Z | — | 2 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2008-07-26 16:29Z
- status
- Archived notice
- self-cancels
- 2008-07-30 07:00Z
- authority
- NAVAREA XIII 33/08 26 JUL 08.
- NAVAREA
- NAVAREA XIII · named as the source of this relay
- sea
- Japan Sea
- position
- 49.200, 140.652
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. GUNNERY EXERCISES 2300Z TO 0100Z COMMENCING DAILY 27 THRU 29 JUL AND 0400Z TO 0600Z DAILY 28 THRU 30 JUL IN AREA BOUND BY 49-06.0N 140-30.5E, 49-20.0N 140-39.5E, 49-20.0N 140-44.0E, 49-06.5N 140-44.0E. 2. CANCEL THIS MSG 300700Z JUL.
Reading this warning
- Gunnery and live firing
- Naval or coastal guns firing into a sea area for practice, at stated times.
- 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 · military exercises
41 within 180 nm since 2004 · 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.
- Hazardous operations 2200Z to 1300Z daily 19 jun thru 14 jul in area bound by 47-01.00N 141-20.80E,…2025-06-16
- Gunnery exercises 2200Z to 1300Z daily 25 may to 19 jun in area bound by 47-01.00N 141-20.80E, 46-57.50N…2025-06-04
- Gunnery exercises 2200Z to 1300Z daily 23 jan thu 20 feb in area bound by 47-01.00N 141-20.80E, 46-57.50N…2025-01-18
- Gunnery exercises 2200Z to 1200Z daily 30 sep thru 24 oct in area bound by 47-01.00N 141-20.80E, 46-57.50N…2024-09-25
- Gunnery exercises 2200Z to 1200Z daily 17 thru 29 apr in area bound by 47-01.00N 141-20.80E, 46-57.50N…2024-04-16
- Gunnery exercises 2200Z to 1200Z daily 13 thru 28 mar in area bound by 46-57.50N 141-34.50E, 47-01.00N…2024-03-11
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 23:49Z; 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.