Hazardous operations
Bay of Bengal · HYDROPAC 1430/16
What this record establishes
Archived notice · 2016-05-25 10:55Z
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 343/16 161003Z MAY 16.. Issued 2016-05-16 10:35Z. 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
- Bay of Bengal. The parsed report position is 13.732, 80.237 with a 10.0 nm radius. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Cancel HYDROPAC 963/16later cancellation notice
Current notices and reporting history in the Bay of Bengal →
Activity windows · 7 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2016-05-21 01:30Z | 2016-05-21 05:30Z | — | 4 h |
| 2016-05-22 01:30Z | 2016-05-22 05:30Z | — | 4 h |
| 2016-05-23 01:30Z | 2016-05-23 05:30Z | — | 4 h |
| 2016-05-24 01:30Z | 2016-05-24 05:30Z | — | 4 h |
| 2016-05-25 01:30Z | 2016-05-25 05:30Z | — | 4 h |
| 2016-05-26 01:30Z | 2016-05-26 05:30Z | — | 4 h |
| 2016-05-27 01:30Z | 2016-05-27 05:30Z | — | 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
- 2016-05-16 10:35Z
- status
- Archived notice
- self-cancels
- 2016-05-27 06:30Z
- authority
- NAVAREA VIII 343/16 161003Z MAY 16.
- NAVAREA
- NAVAREA VIII · named as the source of this relay
- sea
- Bay of Bengal
- position
- 13.732, 80.237 · r 10.0 nm
- 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 0130Z TO 0530Z DAILY
21 THRU 27 MAY:
A. WITHIN TEN MILES OF 13-43.9N 080-14.2E.
B. IN AREA BETWEEN
13-54.0N 13-24.0N AND 081-00.0E 086-00.0E.
2. CANCEL THIS MSG 270630Z MAY 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.
- Within a radius of
- A circular area — every position within a stated distance of a point.
- 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
528 within 180 nm since 1999 · 8 in the last 12 months · 1 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 290830Z to 290930Z sep in area bound by 13-07.02N 080-18.01E, 13-14.90N 080-25.98E,…2026-09-25
- Hazardous operations 0130Z to 1130Z daily 24 thru 30 sep in area bound by 12-49.00N 080-46.00E, 12-59.00N…2026-09-22
- Hazardous operations 0130Z to 1130Z daily 25 thru 30 sep in area bound by 12-49.00N 080-46.00E, 12-59.00N…2026-09-21
- Hazardous operations 0130Z to 1130Z daily 21 thru 24 sep in area bound by 12-49.00N 080-46.00E, 12-59.00N…2026-09-18
- Hazardous operations 0130Z to 1130Z daily 14 thru 17 sep in area bound by 12-49.00N 080-46.00E, 12-49.00N…2026-09-10
- Hazardous operations 250830Z to 250930Z aug in area bound by 13-07.02N 080-18.01E, 13-14.90N 080-25.98E,…2026-08-24
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
- Buoy established in 14-05.21N 080-28.50ENav aids · 25.4 nm
- Hazardous operations 290830Z to 290930Z sep in area bound by 13-07.02N 080-18.01E, 13-14.90N 080-25.98E,…Exercises · 34.7 nm
Worldwide in the collected sources
28 military exercises listed in force · see all
Record snapshot 2026-10-02 08:50Z; 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.