Other

Hazardous operation 0130Z to 1130Z daily 26 thru 28 feb in area bound by 12-49N 080-46E, 12-59N 080-46E,…

Bay of Bengal · HYDROPAC 625/20

What this record establishes

Archived notice · 2020-02-28 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 133/20 211255Z FEB 20.. Issued 2020-02-21 14:12Z. 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.

Current notices and reporting history in the Bay of Bengal →

Activity windows · 3 in this warning

opens (UTC)closes (UTC)locallength
2020-02-26 01:30Z2020-02-26 11:30Z—10 h
2020-02-27 01:30Z2020-02-27 11:30Z—10 h
2020-02-28 01:30Z2020-02-28 11:30Z—10 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

issued
2020-02-21 14:12Z
status
Archived notice
self-cancels
2020-02-28 12:30Z
authority
NAVAREA VIII 133/20 211255Z FEB 20.
NAVAREA
NAVAREA VIII · named as the source of this relay
sea
Bay of Bengal
position
12.900, 81.100
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

BAY OF BENGAL.
INDIA.
DNC 03.
1. HAZARDOUS OPERATION 0130Z TO 1130Z DAILY
   26 THRU 28 FEB IN AREA BOUND BY
   12-49N 080-46E, 12-59N 080-46E,
   12-59N 081-26E, 12-49N 081-26E.
2. CANCEL THIS MSG 281230Z FEB 20.

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.
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.

All warning terms →

Collected reports in this area · other warnings

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

05
10
15
20

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

Worldwide in the collected sources

23 other warnings listed in force · see all

Record snapshot 2026-10-02 05:40Z; 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.