Underwater ordnance detonations 0001Z to 1300Z daily 07 thru 12 may in areas bound by: a. 27-23N 124-44E,…
Eastern China Sea · HYDROPAC 778/03
What this record establishes
Archived notice · 2003-05-06 08:40Z
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) · CTG 72.2 300900Z APR 03; CTF 74 041259Z MAY 03. Issued 2003-05-05 10:50Z. 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
- Eastern China 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.
Related notices and cancellation links
Current notices and reporting history in the Eastern China Sea →
Activity windows · 6 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2003-05-07 00:01Z | 2003-05-07 13:00Z | — | 12 h 59 |
| 2003-05-08 00:01Z | 2003-05-08 13:00Z | — | 12 h 59 |
| 2003-05-09 00:01Z | 2003-05-09 13:00Z | — | 12 h 59 |
| 2003-05-10 00:01Z | 2003-05-10 13:00Z | — | 12 h 59 |
| 2003-05-11 00:01Z | 2003-05-11 13:00Z | — | 12 h 59 |
| 2003-05-12 00:01Z | 2003-05-12 13:00Z | — | 12 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
- 2003-05-05 10:50Z
- status
- Archived notice
- self-cancels
- 2003-05-12 14:00Z
- authority
- CTG 72.2 300900Z APR 03; CTF 74 041259Z MAY 03
- issued by
- CTG
- sea
- Eastern China Sea
- position
- 27.355, 124.760
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER ORDNANCE DETONATIONS 0001Z TO 1300Z DAILY
07 THRU 12 MAY IN AREAS BOUND BY:
A. 27-23N 124-44E, 27-02N 125-08E,
26-37N 124-40E, 26-58N 124-16E.
B. 29-57N 126-47E, 29-44N 127-19E,
29-12N 127-00E, 29-24N 126-29E.
C. 28-25N 125-42E, 28-03N 126-06E,
27-39N 125-38E, 28-00N 125-14E.
D. 26-07N 122-35E, 25-45N 123-02E,
25-41N 122-51E, 25-53N 122-34E,
25-49N 122-21E, 25-55N 122-22E.
E. 23-00N 119-37E, 22-36N 119-49E,
22-20N 119-23E, 22-28N 119-17E,
22-43N 119-33E, 22-53N 119-28E.
2. CANCEL THIS MSG 121400Z MAY.
Reading this warning
- Unexploded ordnance
- Bombs, shells, mines or torpedoes found on the seabed or washed up, and the operations to remove or destroy them.
- 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 · ordnance operations
15 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.
- Underwater ordnance detonations 0001Z to 1200Z daily: a. 15 sep in area between 28-10N 27-30N and 125-07E…2003-09-13
- Underwater ordnance detonations 252200Z to 261200Z feb, alternate 262200Z to 271200Z feb within ten miles of…2003-02-25
- Underwater ordnance detonations 280001Z to 281000Z sep in area bound by 29-58N 126-42E, 29-46N 127-14E,…2002-09-27
- Underwater ordnance detonations 260001Z to 261000Z sep, alternate 270001Z to 271000Z sep in area bound by…2002-09-25
- Underwater ordnance detonations 250001Z to 251000Z sep, alternate 270001Z to 271000Z sep in area bound by…2002-09-21
- Underwater ordnance detonations 240001Z to 241000Z sep, alternate 270001Z to 271000Z sep in area bound by…2002-09-20
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
0 ordnance operations listed in force · see all
Record snapshot 2026-09-28 17:24Z; source collection times vary.
Ordnance
Ordnance disposal, underwater detonations and unexploded ordnance. All current ordnance operations →
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.