Underwater ordnance detonations 252200Z to 261200Z feb, alternate 262200Z to 271200Z feb within ten miles of…
Philippine Sea · HYDROPAC 346/03
What this record establishes
Archived notice · 2003-02-27 13:00Z
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) · CTG 72.2 200501Z FEB 03. Issued 2003-02-25 12:40Z. 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 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 Philippine Sea →
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2003-02-25 22:00Z | 2003-02-26 12:00Z | — | 14 h |
| 2003-02-26 22:00Z | 2003-02-27 12:00Z | — | 14 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2003-02-25 12:40Z
- status
- Archived notice
- self-cancels
- 2003-02-27 13:00Z
- authority
- CTG 72.2 200501Z FEB 03
- issued by
- CTG
- sea
- Philippine Sea
- position
- 24.825, 126.325
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER ORDNANCE DETONATIONS 252200Z TO 261200Z FEB, ALTERNATE 262200Z TO 271200Z FEB WITHIN TEN MILES OF TRACKLINE BETWEEN 24-32N 126-00E AND 25-07N 126-39E. 2. CANCEL THIS MSG 271300Z FEB.
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.
- 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.
- 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.
Collected reports in this area · ordnance operations
20 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 2300Z to 0600Z commencing daily 24 and 25 nov vicinity 22-56.0N 127-14.1E2016-11-25
- Torpedo firing exercises 27 jan thru 01 feb during daylight hours within 12 miles of 26-33N 128-53E2012-01-22
- Torpedo firing exercises 15 thru 18 jun during daylight hours within 12 miles of 26-09N 128-39E2011-06-10
- 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 052200Z to 061200Z mar, alternate 062200Z to 071200Z mar within ten miles of…2003-03-03
- Underwater ordnance detonations 260001Z to 261000Z sep, alternate 270001Z to 271000Z sep in area bound by…2002-09-25
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 2026-09-29 19:06Z; 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.