Hazardous operations
Indian Ocean · HYDROPAC 2611/12
What this record establishes
Archived notice · 2012-09-17 13:07Z
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 429/12 101002Z SEP 12.. Issued 2012-09-13 07:35Z. 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
- Indian 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
- issued
- 2012-09-13 07:35Z
- status
- Archived notice
- self-cancels
- 2012-09-19 07:30Z
- authority
- NAVAREA VIII 429/12 101002Z SEP 12.
- NAVAREA
- NAVAREA VIII · named as the source of this relay
- sea
- Indian Ocean
- position
- 4.676, 88.450
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
INDIA-EAST COAST. BAY OF BENGAL. NORTHERN INDIAN OCEAN. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 0230Z TO 0630Z DAILY 18 AND 19 SEP IN AREA BOUND BY 20-48.33N 087-02.58E, 18-12.33N 086-07.11E, 07-16.26S 087-03.10E, 07-10.46S 089-26.36E, 06-52.76S 091-48.58E, 18-24.13N 088-30.45E, 20-48.73N 087-07.41E. 2. CANCEL THIS MSG 190730Z SEP 12.
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.
- 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
14 within 180 nm since 2003 · 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 1230Z to 1530Z daily 02 and 03 sep in area bound by 20-48.35N 087-02.61E, 18-12.35N…2026-08-28
- Hazardous operations 130430Z to 130630Z and 130830Z to 131030Z mar in area bound by 18-24.16N 088-30.45E,…2024-03-08
- Hazardous operations 201830Z to 221830Z dec in area bound by 04-42.00N 090-30.00E, 04-42.00N 088-30.00E,…2023-12-19
- Hazardous operations 0030Z to 0430Z daily 13 thru 16 oct in area bound by 06-30.00N 087-00.00E, 08-40.00N…2023-10-11
- Hazardous operations 1230Z to 1530Z daily 06 and 07 jun in area bound by 18-24.17N 088-30.45E, 20-48.77N…2022-06-03
- Hazardous operations 0630Z to 1030Z daily 24 and 25 jan in areas bound by: 17-48.73N 083-23.67E, 15-02.05N…2020-01-20
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
28 military exercises listed in force · see all
Record snapshot 2026-10-02 08:56Z; 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.