Underwater ordnance detonations 0001Z to 1100Z daily 10, 12 and 15 oct within 18 miles of trackline joining…
Eastern China Sea · HYDROPAC 1626/01
What this record establishes
Archived notice · 2001-10-15 12:00Z
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) · NRL WASH DC 211908Z OCT 01. Issued 2001-10-09 13:57Z. 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.
Current notices and reporting history in the Eastern China Sea →
- issued
- 2001-10-09 13:57Z
- status
- Archived notice
- self-cancels
- 2001-10-15 12:00Z
- authority
- NRL WASH DC 211908Z OCT 01
- issued by
- NRL WASH DC
- sea
- Eastern China Sea
- position
- 29.183, 125.202
- 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 1100Z DAILY 10, 12 AND 15 OCT WITHIN 18 MILES OF TRACKLINE JOINING 29-45N 126-15E, 28-20N 123-30E, 27-45N 125-35E, 29-05N 125-30E, 31-00N 125-35E, 31-00N 126-25E. 2. CANCEL THIS MSG 151200Z OCT.
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.
- Within a radius of
- A circular area — every position within a stated distance of a point.
- Track line joining
- Introduces a route through a series of positions — a cable route, a tow's track or a survey line.
- 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 1300Z daily 07 thru 12 may in areas bound by: a. 27-23N 124-44E,…2003-05-05
- Underwater ordnance detonations: a. 150900Z to 171459Z nov vicinity of trackline joining 32-04N 127-15E,…2002-11-13
- 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 2026-10-01 23:26Z; 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.