Hazardous operations in Bay of Bengal, India, daily 0330Z to 1130Z from 19 to 21 August in a defined area.
Bay of Bengal · HYDROPAC 2338/26
What this record establishes
Cancelled notice · 2026-08-21 15:40Z
This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.
- Source and dates
- NGA MSI in-force warnings (DailyMem*.txt). Issued 2026-08-14 14:01Z. First collected 2026-08-17 13:41Z; last seen in collection 2026-08-23 15:17Z. 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.
Current notices and reporting history in the Bay of Bengal →
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2026-08-19 03:30Z | 2026-08-19 11:30Z | — | 8 h |
| 2026-08-20 03:30Z | 2026-08-20 11:30Z | — | 8 h |
| 2026-08-21 03:30Z | 2026-08-21 11:30Z | — | 8 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2026-08-14 14:01Z
- status
- Cancelled notice
- self-cancels
- 2026-08-21 12:30Z
- sea
- Bay of Bengal
- position
- 21.326, 87.405
- nearest port
- Calcutta · 89 nm
- source
- NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-08-17 13:41Z
Original warning text
BAY OF BENGAL. INDIA. 1. HAZARDOUS OPERATIONS 0330Z TO 1130Z DAILY 19 THRU 21 AUG IN AREA BOUND BY 20-57.00N 086-54.00E, 21-13.00N 087-23.00E, 21-31.00N 087-42.00E, 21-41.00N 087-45.00E. 2. CANCEL THIS MSG 211230Z AUG 26.
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
586 within 180 nm since 2000 · 7 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 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 0430Z to 1130Z daily 22 thru 25 and 27 thru 30 apr in area bound by 20-57.00N…2026-04-17
- Hazardous operations 180330Z to 180730Z apr in area bound by 21-49.28N 087-56.30E, 20-38.83N 088-33.23E,…2026-04-15
- Hazardous operations 0430Z to 0630Z and 0900 to 1100 daily 20 thru 24 apr in area bound by 21-49.28N…2026-04-15
- Hazardous operations 0430Z to 0630Z and 0830Z to 1030Z daily 05 thru 09, 12 thru 16, 19 thru 23 and 26 thru…2025-12-31
- Hazardous operations 0500Z to 0700Z, 0900Z to 1100Z daily 09 thru 12 dec in area bound by 21-14.95N…2025-12-04
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 2026-10-01 03:56Z; 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.