Exercises

Hazardous operations 0130Z to 0730Z and 0830Z to 1430Z daily 06 thru 11, 17 thru 19 and 27 thru 29 apr in…

Bay of Bengal · HYDROPAC 1223/17

What this record establishes

Archived notice · 2017-04-07 12:33Z

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 295/17 051001Z APR 17.. Issued 2017-04-05 15:37Z. 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.

Related notices and cancellation links

Current notices and reporting history in the Bay of Bengal →

Activity windows · 12 in this warning

opens (UTC)closes (UTC)locallength
2017-04-06 01:30Z2017-04-06 07:30Z—6 h
2017-04-06 08:30Z2017-04-06 14:30Z—6 h
2017-04-07 01:30Z2017-04-07 07:30Z—6 h
2017-04-07 08:30Z2017-04-07 14:30Z—6 h
2017-04-08 01:30Z2017-04-08 07:30Z—6 h
2017-04-08 08:30Z2017-04-08 14:30Z—6 h
2017-04-09 01:30Z2017-04-09 07:30Z—6 h
2017-04-09 08:30Z2017-04-09 14:30Z—6 h
… 4 more

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

issued
2017-04-05 15:37Z
status
Archived notice
self-cancels
2017-04-29 15:30Z
authority
NAVAREA VIII 295/17 051001Z APR 17.
NAVAREA
NAVAREA VIII · named as the source of this relay
sea
Bay of Bengal
position
18.842, 85.248
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 OPERATIONS 0130Z TO 0730Z AND
   0830Z TO 1430Z DAILY 06 THRU 11, 17 THRU 19
   AND 27 THRU 29 APR IN AREAS:
   A. BOUND BY
      19-14.60N 084-53.70E, 19-07.39N 085-35.94E,
      18-33.61N 084-53.74E.
   B. WITHIN 41 MILES OF TRACKLINE BETWEEN
      19-07.39N 085-35.94E AND 18-33.61N 084-53.74E.
2. CANCEL THIS MSG 291530Z APR 17.

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.
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.
Within a radius of
A circular area — every position within a stated distance of a point.
Track line joining
Introduces a route through a series of positions — a cable route, a tow's track or a survey line.
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

1164 within 180 nm since 2000 · 20 in the last 12 months · 0 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

17 military exercises listed in force · see all

Record snapshot 2026-09-24 23:49Z; 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.