Geophysical operations in progress until 30 apr by M/V mermaid discovery in area bound by 16-26.39N…
Bay of Bengal · HYDROPAC 624/15
What this record establishes
Archived notice · 2015-04-25 10:35Z
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 133/15 231003Z FEB 15.. Issued 2015-02-23 12:41Z. 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 →
- issued
- 2015-02-23 12:41Z
- status
- Archived notice
- authority
- NAVAREA VIII 133/15 231003Z FEB 15.
- NAVAREA
- NAVAREA VIII · named as the source of this relay
- sea
- Bay of Bengal
- position
- 16.260, 82.347
- vessel
- M/V MERMAID DISCOVERY · 15 messages
- 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. DNC 03. 1. GEOPHYSICAL OPERATIONS IN PROGRESS UNTIL 30 APR BY M/V MERMAID DISCOVERY IN AREA BOUND BY 16-26.39N 082-20.32E, 16-26.30N 082-27.09E, 16-12.28N 082-27.06E, 16-01.41N 082-17.12E, 16-05.11N 082-13.14E, 16-09.02N 082-16.88E, 16-15.04N 082-16.86E, 16-20.00N 082-13.40E. 2. CANCEL THIS MSG 01 MAY 15.
Reading this warning
- 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.
Collected reports in this area · other warnings
13 within 180 nm since 2005 · 0 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 operation 130030Z to 131200Z apr in area bound by 16-25N 084-05E, 16-57N 084-05E, 16-57N 084-37E,…2022-04-12
- Hazardous operation 0030Z to 1200Z daily 12 and 14 apr in area bound by 16-25N 084-05E, 16-25N 084-37E,…2022-04-09
- Geophysical operations in progress until 311830Z jan 17 by M/V me queen and M/V sai sowbaghya in areas bound…2016-12-02
- Geophysical operations in progress until 30 apr by M/V kohinoor in area bound by 16-22.4N 081-58.1E,…2016-04-01
- Geophysical operations in progress until 09 sep in area bound by 15-30.28N 080-33.18E, 15-29.55N 080-32.37E,…2015-05-29
- Geophysical operations in progress until 30 apr by M/V cassandra 9 in area bound by 15-39.61N 080-24.83E,…2015-04-09
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
23 other warnings listed in force · see all
Record snapshot 2026-09-29 16:14Z; source collection times vary.
Other
Everything the classifier did not place elsewhere. All current other warnings →
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.