Gunnery exercises 2200Z to 1200Z daily 17 thru 29 apr in area bound by 47-01.00N 141-20.80E, 46-57.50N…
Japan Sea · HYDROPAC 1240/24
What this record establishes
Archived notice · 2024-04-30 13:00Z
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 38/24 160902Z APR 24.. Issued 2024-04-16 11:50Z. 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 · 13 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2024-04-17 22:00Z | 2024-04-18 12:00Z | — | 14 h |
| 2024-04-18 22:00Z | 2024-04-19 12:00Z | — | 14 h |
| 2024-04-19 22:00Z | 2024-04-20 12:00Z | — | 14 h |
| 2024-04-20 22:00Z | 2024-04-21 12:00Z | — | 14 h |
| 2024-04-21 22:00Z | 2024-04-22 12:00Z | — | 14 h |
| 2024-04-22 22:00Z | 2024-04-23 12:00Z | — | 14 h |
| 2024-04-23 22:00Z | 2024-04-24 12:00Z | — | 14 h |
| 2024-04-24 22:00Z | 2024-04-25 12:00Z | — | 14 h |
| … 5 more | |||
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2024-04-16 11:50Z
- status
- Archived notice
- self-cancels
- 2024-04-30 13:00Z
- authority
- NAVAREA XIII 38/24 160902Z APR 24.
- NAVAREA
- NAVAREA XIII · named as the source of this relay
- sea
- Japan Sea
- position
- 46.917, 141.420
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
SEA OF JAPAN. RUSSIA. DNC 24. 1. GUNNERY EXERCISES 2200Z TO 1200Z DAILY 17 THRU 29 APR IN AREA BOUND BY 47-01.00N 141-20.80E, 46-57.50N 141-34.50E, 46-49.00N 141-29.50E, 46-52.50N 141-16.00E. 2. CANCEL THIS MSG 301300Z APR 24.
Reading this warning
- DNC (Digital Nautical Chart)
- A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
- 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
74 within 180 nm since 2004 · 1 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 142000Z to 151200Z aug in area bound by 45-33.00N 143-20.00E, 46-04.00N 143-26.00E,…2026-08-11
- 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 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
28 military exercises listed in force · see all
Record snapshot 2026-10-01 07:28Z; 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.