Gunnery exercises 0001Z to 0800Z daily 30 and 31 oct in area within five miles of 45-32.00N 141-18.50E
Japan Sea · HYDROPAC 3375/23
What this record establishes
Archived notice · 2023-10-31 09:00Z
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 132/23 250932Z OCT 23.. Issued 2023-10-25 10:44Z. 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 parsed report position is 45.533, 141.308 with a 5.0 nm radius. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
- issued
- 2023-10-25 10:44Z
- status
- Archived notice
- self-cancels
- 2023-10-31 09:00Z
- authority
- NAVAREA XIII 132/23 250932Z OCT 23.
- NAVAREA
- NAVAREA XIII · named as the source of this relay
- sea
- Japan Sea
- position
- 45.533, 141.308 · r 5.0 nm
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
SEA OF JAPAN. JAPAN. DNC 24. 1. GUNNERY EXERCISES 0001Z TO 0800Z DAILY 30 AND 31 OCT IN AREA WITHIN FIVE MILES OF 45-32.00N 141-18.50E. 2. CANCEL THIS MSG 310900Z OCT 23.
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.
- Within a radius of
- A circular area — every position within a stated distance of a point.
- 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
47 within 180 nm since 2012 · 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 17 thru 29 apr in area bound by 47-01.00N 141-20.80E, 46-57.50N…2024-04-16
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
9 military exercises listed in force · see all
Record snapshot 2026-10-02 17:04Z; 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.