Hazardous operations
South Pacific Ocean · HYDROPAC 2348/11
What this record establishes
Archived notice · 2011-08-26 21:00Z
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 162/11 20 AUG 11 - NAVAREA XI 629/11 201121Z AUG 11.. Issued 2011-08-21 03:25Z. 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
- M/V attacked in 02-11.6N 109-15.5E at 061330Z augcancelled by this notice
Current notices and reporting history in the South Pacific Ocean →
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-08-26 13:00Z | 2011-08-26 20:00Z | — | 7 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2011-08-21 03:25Z
- status
- Archived notice
- self-cancels
- 2011-08-26 21:00Z
- authority
- NAVAREA XV 162/11 20 AUG 11 - NAVAREA XI 629/11 201121Z AUG 11.
- NAVAREA
- NAVAREA XV · named as the source of this relay
- sea
- South Pacific Ocean
- position
- -32.554, -72.039
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN SOUTH PACIFIC. CHILE. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 261300Z TO 262000Z AUG IN AREA BOUND BY 32-20.0S 071-58.0W, 32-37.0S 071-46.5W, 32-46.5S 072-07.0W, 32-29.5S 072-18.0W. 2. CANCEL HYDROPAC 2258/11(71). 3. CANCEL THIS MSG 262100Z AUG.
Reading this warning
- 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
286 within 180 nm since 1999 · 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 1330Z to 1900Z daily 02 and 04 sep in area bound by 32-55.00S 072-00.00W, 32-55.00S…2026-08-29
- Hazardous operations 021600Z to 030259Z oct in area bound by 33-00.00S 071-56.00W, 33-00.00S 071-51.00W,…2024-09-29
- Hazardous operations 141200Z to 142200Z may2024-05-10
- Hazardous operations 1300Z to 2000Z daily 06 and 13 may in area bound by 32-55.00S 072-00.00W, 32-55.00S…2024-05-01
- Hazardous operations 191400Z to 191800Z apr in area bound by 32-58.00S 071-53.00W, 32-58.00S 072-01.50W,…2024-04-15
- Hazardous operations 1400Z to 1800Z daily 16 and 17 apr in area bound by 32-58.00S 071-53.00W, 32-58.00S…2024-04-12
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
17 military exercises listed in force · see all
Record snapshot 2026-09-24 23:07Z; 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.