Underwater ordnance detonations 2300Z to 0600Z commencing daily 24 and 25 nov vicinity 22-56.0N 127-14.1E
Philippine Sea · HYDROPAC 3634/16
What this record establishes
Archived notice · 2016-11-26 07:00Z
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) · US SEVENTH FLEET 160716Z NOV 16.. Issued 2016-11-25 09:11Z. 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
- Philippine Sea. The parsed report position is 22.933, 127.235. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Current notices and reporting history in the Philippine Sea →
- issued
- 2016-11-25 09:11Z
- status
- Archived notice
- self-cancels
- 2016-11-26 07:00Z
- authority
- US SEVENTH FLEET 160716Z NOV 16.
- issued by
- US SEVENTH FLEET
- sea
- Philippine Sea
- position
- 22.933, 127.235
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. PHILIPPINE SEA. ORDNANCE. DNC 23. 1. UNDERWATER ORDNANCE DETONATIONS 2300Z TO 0600Z COMMENCING DAILY 24 AND 25 NOV VICINITY 22-56.0N 127-14.1E. 2. CANCEL THIS MSG 260700Z NOV 16.
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.
- 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.
- 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
4 within 180 nm since 2001 · 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 052200Z to 061200Z mar, alternate 062200Z to 071200Z mar within ten miles of…2003-03-03
- Underwater ordnance detonations 252200Z to 261200Z feb, alternate 262200Z to 271200Z feb within ten miles of…2003-02-25
- Underwater ordnance detonations 162300Z to 170800Z nov within 50 miles of 21-00.5N 128-00.0E2001-11-15
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 2026-10-02 01:56Z; 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.