Exercises

Bangladesh warns of hazardous operations in the Bay of Bengal daily from 0100 to 1600, 17 through 26 September, in a defined area.

Bay of Bengal · HYDROPAC 2638/26

What this record establishes

Cancelled notice · 2026-09-14 15:15Z

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 2026-09-12 12:59Z. First collected 2026-09-14 20:17Z; last seen in collection 2026-09-28 18:47Z. 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 · 10 in this warning

opens (UTC)closes (UTC)locallength
2026-09-17 01:00Z2026-09-17 16:00Z—15 h
2026-09-18 01:00Z2026-09-18 16:00Z—15 h
2026-09-19 01:00Z2026-09-19 16:00Z—15 h
2026-09-20 01:00Z2026-09-20 16:00Z—15 h
2026-09-21 01:00Z2026-09-21 16:00Z—15 h
2026-09-22 01:00Z2026-09-22 16:00Z—15 h
2026-09-23 01:00Z2026-09-23 16:00Z—15 h
2026-09-24 01:00Z2026-09-24 16:00Z—15 h
… 2 more

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

issued
2026-09-12 12:59Z
status
Cancelled notice
self-cancels
2026-09-26 17:00Z
sea
Bay of Bengal
position
22.378, 91.691
source
NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-09-14 20:17Z

Original warning text

BAY OF BENGAL.
BANGLADESH.
1. HAZARDOUS OPERATIONS 0100Z TO 1600Z DAILY
   17 THRU 26 SEP IN AREA BOUND BY
   22-23.30N 091-45.43E, 22-26.00N 091-39.00E,
   22-23.00N 091-38.00E, 22-20.70N 091-37.80E,
   22-20.45N 091-45.43E.
2. CANCEL THIS MSG 261700Z 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.
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

73 within 180 nm since 2012 · 6 in the last 12 months · 0 listed in force now

12
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 04:14Z; 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.