Hazardous operations 0200Z to 0630Z daily 29 thru 31 may in area bound by 08-44.30N 094-14.25E, 09-10.66N…
Andaman or Burma Sea · HYDROPAC 1791/23
What this record establishes
Archived notice · 2023-05-31 07:30Z
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 VIII 528/23 291220Z MAY 23.. Issued 2023-05-29 12:44Z. 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
- Andaman or Burma 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.
Related notices and cancellation links
Current notices and reporting history in the Andaman or Burma Sea →
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2023-05-29 02:00Z | 2023-05-29 06:30Z | — | 4 h 30 |
| 2023-05-30 02:00Z | 2023-05-30 06:30Z | — | 4 h 30 |
| 2023-05-31 02:00Z | 2023-05-31 06:30Z | — | 4 h 30 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2023-05-29 12:44Z
- status
- Archived notice
- self-cancels
- 2023-05-31 07:30Z
- authority
- NAVAREA VIII 528/23 291220Z MAY 23.
- NAVAREA
- NAVAREA VIII · named as the source of this relay
- sea
- Andaman or Burma Sea
- position
- 8.119, 93.210
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
ANDAMAN SEA. BAY OF BENGAL. NICOBAR ISLANDS. DNC 03. 1. HAZARDOUS OPERATIONS 0200Z TO 0630Z DAILY 29 THRU 31 MAY IN AREA BOUND BY 08-44.30N 094-14.25E, 09-10.66N 093-13.78E, 08-52.13N 092-26.66E, 07-23.76N 092-06.21E, 07-08.08N 093-58.28E. 2. CANCEL HYDROPAC 1753/23. 3. CANCEL THIS MSG 310730Z MAY 23.
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.
- 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.
- 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
66 within 180 nm since 2008 · 2 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 090900Z to 111230Z sep in area bound by 08-21.00N 091-30.10E, 06-47.40N 091-39.10E,…2026-09-08
- Hazardous operations 0230Z to 1230Z daily 20 thru 24 jan in areas bound by: a. 08-17.73N 092-56.16E,…2026-01-14
- Hazardous operations 0330Z to 0730Z daily 15, 16 and 18 apr in area bound by 08-35.38N 091-59.63E, 07-09.80N…2024-04-12
- Hazardous operations 0330Z to 0500Z and 0930Z to 1130Z daily 29 and 30 mar in area bound by 11-39.18N…2024-03-27
- Hazardous operations 210330Z to 210530Z mar in area bound by 09-14.00N 094-58.00E, 09-14.00N 094-08.00E,…2024-03-19
- Hazardous operations 040230Z to 041200Z feb in area bound by 09-14.00N 094-58.00E, 09-14.00N 094-08.00E,…2024-02-03
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
9 military exercises listed in force · see all
Record snapshot 2026-10-03 13:12Z; 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.