Gunnery exercises 0001Z to 0800Z daily 06 thru 10 dec in area bound by 36-35.00N 125-36.00E, 36-35.00N…
Yellow Sea · HYDROPAC 2645/10
What this record establishes
Archived notice · 2010-12-10 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 XI 927/10 010744Z DEC 10.. Issued 2010-12-01 08:22Z. 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
- Yellow 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 · 5 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2010-12-06 00:01Z | 2010-12-06 08:00Z | — | 7 h 59 |
| 2010-12-07 00:01Z | 2010-12-07 08:00Z | — | 7 h 59 |
| 2010-12-08 00:01Z | 2010-12-08 08:00Z | — | 7 h 59 |
| 2010-12-09 00:01Z | 2010-12-09 08:00Z | — | 7 h 59 |
| 2010-12-10 00:01Z | 2010-12-10 08:00Z | — | 7 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
- 2010-12-01 08:22Z
- status
- Archived notice
- self-cancels
- 2010-12-10 09:00Z
- authority
- NAVAREA XI 927/10 010744Z DEC 10.
- NAVAREA
- NAVAREA XI · named as the source of this relay
- sea
- Yellow Sea
- position
- 36.830, 125.219
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
YELLOW SEA. GUNNERY. 1. GUNNERY EXERCISES 0001Z TO 0800Z DAILY 06 THRU 10 DEC IN AREA BOUND BY 36-35.00N 125-36.00E, 36-35.00N 124-50.00E, 37-04.21N 124-50.00E, 37-05.08N 125-36.00E. 2. CANCEL THIS MSG 100900Z DEC.
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
1359 within 180 nm since 2000 · 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 290300Z to 290700Z apr in area bound by 37-41-00N 125-39-30E, 37-41-00N 125-41-40E,…2021-04-27
- Gunnery exercises 0400Z to 0900Z daily 26 and 27 apr, 0600Z to 1200Z daily 28 and 29 apr, 300400Z to 300800Z…2021-04-24
- Gunnery exercises 2300Z to 0900Z daily 25 thru 27 apr in area bound by 37-44-55N 124-05-10E, 37-44-55N…2021-04-21
- Gunnery exercises 190800Z to 191300Z apr and 0400Z to 0900Z daily 20, 22, 23, 24 apr and 250600Z to 251200Z…2021-04-16
- Gunnery exercises 142300Z to 151100Z apr in area bound by 37-44-55N 124-05-10E, 37-44-55N 124-36-40E,…2021-04-09
- Gunnery exercises 0400Z to 0900Z daily 12, 13, 16 and 17 apr and 180800Z to 181300Z apr in area bound by…2021-04-09
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 2026-10-03 20:27Z; 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.