Hazardous operations
Bay of Bengal · HYDROPAC 881/16
What this record establishes
Archived notice · 2016-04-02 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 221/16 231004Z MAR 16.. Issued 2016-03-26 09:50Z. 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
- Bay of Bengal. 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 Bay of Bengal →
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2016-03-31 07:30Z | 2016-03-31 11:30Z | — | 4 h |
| 2016-04-01 07:30Z | 2016-04-01 11:30Z | — | 4 h |
| 2016-04-02 07:30Z | 2016-04-02 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
- 2016-03-26 09:50Z
- status
- Archived notice
- self-cancels
- 2016-04-02 12:30Z
- authority
- NAVAREA VIII 221/16 231004Z MAR 16.
- NAVAREA
- NAVAREA VIII · named as the source of this relay
- sea
- Bay of Bengal
- position
- 19.309, 86.700
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
BAY OF BENGAL. INDIA-EAST COAST. HAZARDOUS OPERATIONS. DNC 03. 1. HAZARDOUS OPERATIONS 0730Z TO 1130Z DAILY 31 MAR THRU 02 APR IN AREA BOUND BY 17-11.74N 083-29.07E, 19-57.95N 089-14.57E, 21-12.90N 088-26.23E, 17-27.81N 083-18.19E. 2. CANCEL THIS MSG 021230Z APR 16.
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.
- 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.
- 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
955 within 180 nm since 2000 · 21 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 0130Z to 1430Z daily 06 thru 10 oct in area bound by 19-14.60N 084-53.70E, 19-07.39N…2026-10-01
- Hazardous operations 0430Z to 0630Z and 0830Z to 1030Z daily 06 thru 09 oct in area bound by 21-38.67N…2026-10-01
- Hazardous operations 0030Z to 1030Z daily 29 sep thru 01 oct in areas bound by: a. 17-58.90N 084-11.70E,…2026-09-27
- Hazardous operations in progress until 251829Z sep in area bound by 19-14.60N 084-53.70E, 19-07.39N…2026-09-23
- Hazardous operations 0330Z to 0730Z daily 18 and 19 sep in area bound by 20-35.73N 086-55.12E, 20-48.37N…2026-09-15
- Hazardous operations 061831Z to 121829Z and 131831Z to 191829Z sep in area bound by 19-14.60N 084-53.70E,…2026-09-03
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
28 military exercises listed in force · see all
Record snapshot 2026-10-02 07:15Z; 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.