Hazardous operations 17 thru 24 feb in area bound by 13-04.07N 119-06.69E, 12-56.08N 119-20.15E, 12-43.51N…
South China Sea · HYDROPAC 523/24
What this record establishes
Archived notice · 2024-02-16 15:28Z
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 60/24 141200Z FEB 24.. Issued 2024-02-14 12:11Z. 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
- South 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 South China Sea →
- issued
- 2024-02-14 12:11Z
- status
- Archived notice
- self-cancels
- 2024-02-25 00:01Z
- authority
- NAVAREA XI 60/24 141200Z FEB 24.
- NAVAREA
- NAVAREA XI · named as the source of this relay
- sea
- South China Sea
- position
- 12.896, 119.153
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
SOUTH CHINA SEA. PHILIPPINES. DNC 11. 1. HAZARDOUS OPERATIONS 17 THRU 24 FEB IN AREA BOUND BY 13-04.07N 119-06.69E, 12-56.08N 119-20.15E, 12-43.51N 119-11.56E, 12-51.31N 118-58.20E. 2. CANCEL THIS MSG 250001Z FEB 24.
Reading this warning
- 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.
- Hazardous operations
- NGA's heading for activities that make an area dangerous — most often rocket launches, space debris and weapons firings, and some open-ended danger areas.
- 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
57 within 180 nm since 2002 · 1 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 08 thru 18 dec in area bound by 14-42.63N 120-41.55E, 14-41.53N 120-36.54E, 14-36.73N…2025-12-03
- Gunnery exercises 16 thru 20 jun in area bound by 11-08.78N 118-58.60E, 11-08.78N 119-06.78E, 11-00.78N…2025-06-12
- Gunnery exercises 16 thru 20 jun in area bound by 10-21.24N 118-33.92E, 10-21.16N 118-42.09E, 10-13.11N…2025-06-12
- Gunnery exercises 09 thru 18 jun in area bound by 14-21.16N 120-29.28E, 14-16.96N 120-29.48E, 14-16.47N…2025-06-05
- Gunnery exercises in progress until 21 feb in area bound by 14-42.48N 120-36.48E, 14-43.64N 120-41.48E,…2025-01-28
- Gunnery exercises 22 thru 27 nov in area bound by 10-21.24N 118-33.92E, 10-21.16N 118-42.09E, 10-13.11N…2024-11-21
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
- Submarine pipeline works by M/V fortitudeCable ops · 78.9 nm
- Pipeline repairing worksCable ops · 98 nm
- Pipeline operations in progress until further notice in vicinity of trackline joining 11-38.57N 118-54.38E…Cable ops · 98 nm
- Cape santiago light 13-46.32N 120-39.18E unlitNav aids · 102.2 nm
- Cape santiago light, 13-46.32N 120-39.18E, F2614, extingushedNav aids · 102.2 nm
Worldwide in the collected sources
17 military exercises listed in force · see all
Record snapshot 2026-09-25 00:46Z; 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.