Exercises

Hazardous operations 0400Z to 0500Z and 0930Z to 1130Z daily 10 thru 12 oct in area bound by 08-00.00N…

Andaman or Burma Sea · HYDROPAC 3190/23

What this record establishes

Archived notice · 2023-10-12 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 873/23 061005Z OCT 23.. Issued 2023-10-06 11:35Z. 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
Andaman or Burma Sea. 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 Andaman or Burma Sea →

Activity windows · 6 in this warning

opens (UTC)closes (UTC)locallength
2023-10-10 04:00Z2023-10-10 05:00Z—1 h
2023-10-10 09:30Z2023-10-10 11:30Z—2 h
2023-10-11 04:00Z2023-10-11 05:00Z—1 h
2023-10-11 09:30Z2023-10-11 11:30Z—2 h
2023-10-12 04:00Z2023-10-12 05:00Z—1 h
2023-10-12 09:30Z2023-10-12 11:30Z—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
2023-10-06 11:35Z
status
Archived notice
self-cancels
2023-10-12 12:30Z
authority
NAVAREA VIII 873/23 061005Z OCT 23.
NAVAREA
NAVAREA VIII · named as the source of this relay
sea
Andaman or Burma Sea
position
10.000, 92.625
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

BAY OF BENGAL.
ANDAMAN SEA.
ANDAMAN ISLANDS.
DNC 03.
1. HAZARDOUS OPERATIONS 0400Z TO 0500Z AND
   0930Z TO 1130Z DAILY 10 THRU 12 OCT
   IN AREA BOUND BY
   08-00.00N 091-00.00E, 12-00.00N 091-00.00E,
   12-00.00N 094-15.00E, 08-00.00N 094-15.00E.
2. CANCEL THIS MSG 121230Z OCT 23.

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.
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 · military exercises

432 within 180 nm since 2002 · 14 in the last 12 months · 1 listed in force now

02
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

Worldwide in the collected sources

31 military exercises listed in force · see all

Record snapshot 2026-09-29 07:57Z; 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.