Hazardous operations
Andaman or Burma Sea · HYDROPAC 994/13
What this record establishes
Archived notice · 2013-04-17 12:30Z
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 202/13 101001Z APR 13.. Issued 2013-04-10 12:53Z. 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 · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2013-04-17 07:30Z | 2013-04-17 11:30Z | — | 4 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2013-04-10 12:53Z
- status
- Archived notice
- self-cancels
- 2013-04-17 12:30Z
- authority
- NAVAREA VIII 202/13 101001Z APR 13.
- NAVAREA
- NAVAREA VIII · named as the source of this relay
- sea
- Andaman or Burma Sea
- position
- 11.624, 92.820
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
ANDAMAN SEA. ANDAMAN ISLANDS. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 170730Z TO 171130Z APR IN AREA BOUND BY 11-39.7N 092-46.3E, 11-40.6N 092-47.0E, 11-38.7N 092-53.1E, 11-32.9N 092-48.3E. 2. CANCEL THIS MSG 171230Z APR 13.
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.
- 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
408 within 180 nm since 2002 · 22 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
10 military exercises listed in force · see all
Record snapshot 2026-10-03 10:59Z; 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.