Exercises

Hazardous operations 032230Z to 040030Z, 040630Z to 040830Z, 041030 to 041230Z, 041430Z to 041630Z, 042230Z…

Bay of Bengal · HYDROPAC 417/24

What this record establishes

Archived notice · 2024-02-05 17:30Z

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 137/24 031003Z FEB 24.. Issued 2024-02-03 10:46Z. 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 · 7 in this warning

opens (UTC)closes (UTC)locallength
2024-02-03 22:30Z2024-02-04 00:30Z—2 h
2024-02-04 06:30Z2024-02-04 08:30Z—2 h
2024-02-04 14:30Z2024-02-04 16:30Z—2 h
2024-02-04 22:30Z2024-02-05 00:30Z—2 h
2024-02-05 06:30Z2024-02-05 08:30Z—2 h
2024-02-05 10:30Z2024-02-05 12:30Z—2 h
2024-02-05 14:30Z2024-02-05 16:30Z—2 h

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

issued
2024-02-03 10:46Z
status
Archived notice
self-cancels
2024-02-05 17:30Z
authority
NAVAREA VIII 137/24 031003Z FEB 24.
NAVAREA
NAVAREA VIII · named as the source of this relay
sea
Bay of Bengal
position
12.189, 83.098
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

BAY OF BENGAL.
DNC 03.
1. HAZARDOUS OPERATIONS 032230Z TO 040030Z,
   040630Z TO 040830Z, 041030 TO 041230Z,
   041430Z TO 041630Z, 042230Z TO 050030Z,
   050630Z TO 050830Z, 051030Z TO 051230Z AND
   051430Z TO 051630Z FEB IN AREA BOUND BY
   12-56.00N 083-30.00E, 12-54.00N 082-56.00E,
   11-27.00N 082-41.00E, 11-30.00N 083-17.00E.
2. CANCEL THIS MSG 051730Z FEB 24.

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.
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.
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.
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.

All warning terms →

Collected reports in this area · military exercises

455 within 180 nm since 2000 · 7 in the last 12 months · 1 listed in force now

00
05
10
15
20
25
26

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

28 military exercises listed in force · see all

Record snapshot 2026-10-02 10:06Z; 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.