Hazardous operations 0100Z to 0630Z daily 04 thru 07 may in area bound by 11-00.3N 092-30E, 11-20.3N…
Andaman or Burma Sea · HYDROPAC 1350/21
What this record establishes
Archived notice · 2021-05-07 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 353/21 041014Z MAY 21.. Issued 2021-05-04 11:00Z. 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.
Current notices and reporting history in the Andaman or Burma Sea →
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2021-05-04 01:00Z | 2021-05-04 06:30Z | — | 5 h 30 |
| 2021-05-05 01:00Z | 2021-05-05 06:30Z | — | 5 h 30 |
| 2021-05-06 01:00Z | 2021-05-06 06:30Z | — | 5 h 30 |
| 2021-05-07 01:00Z | 2021-05-07 06:30Z | — | 5 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
- 2021-05-04 11:00Z
- status
- Archived notice
- self-cancels
- 2021-05-07 07:30Z
- authority
- NAVAREA VIII 353/21 041014Z MAY 21.
- NAVAREA
- NAVAREA VIII · named as the source of this relay
- sea
- Andaman or Burma Sea
- position
- 11.172, 92.667
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
ANDAMAN SEA. ANDAMAN ISLANDS. DNC 03. 1. HAZARDOUS OPERATIONS 0100Z TO 0630Z DAILY 04 THRU 07 MAY IN AREA BOUND BY 11-00.3N 092-30E, 11-20.3N 092-30E, 11-20.3N 092-50E, 11-00.3N 092-50E. 2. CANCEL THIS MSG 070730Z MAY 21.
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
428 within 180 nm since 2002 · 23 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 060430Z to 060630Z and 060830Z to 061030Z oct in area bound by 11-40.00N 092-27.00E,…2026-10-01
- Hazardous operations 300830Z to 301030Z sep in area bound by 12-50.00N 093-40.00E, 12-50.00N 094-10.00E,…2026-09-28
- Hazardous operations 290430Z to 290630Z, 290830Z to 291030Z and 300330Z to 301100Z sep in area bound by…2026-09-28
- Hazardous operations 1130Z to 1430Z daily 28 thru 29 sep in area bound by 11-40.23N 092-45.75E, 11-40.77N…2026-09-25
- Hazardous operations 251000Z to 251230Z sep in area bound by 11-39.70N 092-46.30E, 11-40.60N 092-47.00E,…2026-09-23
- Hazardous operations 1030Z to 1130Z 24 sep in area bound by 11-40.80N 092-45.90E, 11-38.13N 093-00.70E,…2026-09-21
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
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 18:09Z; 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.