Other

Geophysical operations in progress until 30 apr by M/V kohinoor in area bound by 16-22.4N 081-58.1E,…

Bay of Bengal · HYDROPAC 966/16

What this record establishes

Archived notice · 2016-05-01 00:01Z

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 253/16 011008Z APR 16 - NAVAREA VIII 252/16 011007Z APR 16.. Issued 2016-04-01 14:53Z. 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
2016-04-01 14:53Z
status
Archived notice
authority
NAVAREA VIII 253/16 011008Z APR 16 - NAVAREA VIII 252/16 011007Z APR 16.
NAVAREA
NAVAREA VIII · named as the source of this relay
sea
Bay of Bengal
position
16.270, 81.790
vessel
M/V KOHINOOR · 2 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 KOHINOOR IN AREA BOUND BY
   16-22.4N 081-58.1E, 16-18.2N 081-47.6E,
   16-14.9N 081-40.4E, 16-11.1N 081-43.3E,
   16-12.0N 081-44.8E.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROPAC 1997/15, 881/16.
3. CANCEL THIS MSG 01 MAY 16.

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.
Wide berth requested
Keep well clear — or, when a distance is given ("TWO MILE BERTH REQUESTED"), at least that far away.
Cancellation reference
A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
HYDROPAC
The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

Collected reports in this area · other warnings

13 within 180 nm since 2005 · 0 in the last 12 months · 0 listed in force now

05
10
15
20
22

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.

Month of issue in the collected archive

J
F
M
A
M
J
J
A
S
O
N
D

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 2026-10-02 06:34Z; 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.