Exercises

Hazardous operations are scheduled in the Andaman Sea off India on 29 and 30 September within a defined area.

Bay of Bengal · HYDROPAC 2806/26

What this record establishes

Cancelled notice · 2026-09-28 16:45Z

This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.

Source and dates
NGA MSI in-force warnings (DailyMem*.txt). Issued 2026-09-28 10:14Z. First collected 2026-09-28 19:02Z; last seen in collection 2026-09-29 03:17Z. 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
2026-09-29 04:30Z2026-09-29 06:30Z—2 h
2026-09-29 08:30Z2026-09-29 10:30Z—2 h
2026-09-30 03:30Z2026-09-30 11:00Z—7 h 30

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

issued
2026-09-28 10:14Z
status
Cancelled notice
self-cancels
2026-09-30 12:00Z
sea
Bay of Bengal
position
11.762, 92.377
source
NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-09-28 19:02Z

Original warning text

ANDAMAN SEA.
BAY OF BENGAL.
INDIA.
1. HAZARDOUS OPERATIONS 290430Z TO 290630Z,
   290830Z TO 291030Z AND 300330Z TO 301100Z SEP
   IN AREA BOUND BY
   11-52.00N 092-19.00E, 11-48.00N 092-29.00E,
   11-40.00N 092-27.00E, 11-43.00N 092-16.00E.
2. CANCEL THIS MSG 301200Z SEP 26.

Reading this warning

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

406 within 180 nm since 2002 · 21 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 03:17Z; 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.