Hazardous operations 130800Z to 140200Z, 140800Z to 150200Z, 150800Z to 160200Z and 160800Z to 170200Z mar…
South Pacific Ocean · HYDROPAC 818/24
What this record establishes
Archived notice · 2024-03-17 03:00Z
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) · NAVAREA XV 36/24 120257Z MAR 24.. Issued 2024-03-12 03:05Z. 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 Pacific Ocean. 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 South Pacific Ocean →
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2024-03-13 08:00Z | 2024-03-14 02:00Z | — | 18 h |
| 2024-03-14 08:00Z | 2024-03-15 02:00Z | — | 18 h |
| 2024-03-15 08:00Z | 2024-03-16 02:00Z | — | 18 h |
| 2024-03-16 08:00Z | 2024-03-17 02:00Z | — | 18 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2024-03-12 03:05Z
- status
- Archived notice
- self-cancels
- 2024-03-17 03:00Z
- authority
- NAVAREA XV 36/24 120257Z MAR 24.
- NAVAREA
- NAVAREA XV · named as the source of this relay
- sea
- South Pacific Ocean
- position
- -36.333, -73.283
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN SOUTH PACIFIC. CHILE. DNC 07. 1. HAZARDOUS OPERATIONS 130800Z TO 140200Z, 140800Z TO 150200Z, 150800Z TO 160200Z AND 160800Z TO 170200Z MAR IN AREA BOUND BY 36-10.00S 073-07.00W, 36-10.00S 073-27.00W, 36-30.00S 073-27.00W, 36-30.00S 073-07.00W. 2. CANCEL HYDROPAC 800/24. 3. CANCEL THIS MSG 170300Z MAR 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.
- 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.
- 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.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROPAC
- The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · military exercises
136 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.
- Hazardous operations 1100Z to 2000Z daily 02 and 04 dec in area bound by 36-25.00S 073-26.00W, 36-25.00S…2025-11-28
- Hazardous operations 021600Z to 022200Z may, 031400Z to 032200Z may in area bound by 36-35.00S 073-25.00W,…2024-04-29
- Hazardous operations 181200Z to 182000Z apr in area bound by 36-08.00S 073-50.00W, 36-08.00S 073-25.00W,…2024-04-15
- Hazardous operations 1000Z to 1900Z daily 08, 11 and 12 apr in area bound by 36-17.00S 073-30.00W, 36-17.00S…2024-04-04
- Hazardous operations 131500Z to 131700Z mar in area bound by 36-35.00S 073-19.00W, 36-35.00S 073-25.00W,…2024-03-11
- Hazardous operations 0800Z to 0200Z daily 14 thru 16 mar in area bound by 36-10.00S 073-07.00W, 36-10.00S…2024-03-11
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
- Puerto montt radio 41-28.80S 072-57.70W off airNav aids · 74.3 nm
- Dart 4G buoy 35-45.40S 075-17.25W missingNav aids · 103.3 nm
Worldwide in the collected sources
28 military exercises listed in force · see all
Record snapshot 2026-10-02 07:17Z; 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.