Exercises

Hazardous operations

Bay of Bengal · HYDROPAC 909/14

What this record establishes

Archived notice · 2014-04-01 13:16Z

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 177/14 241007Z MAR 14 - AUSCOAST 77/14 CX 010151Z APR 14.. Issued 2014-04-01 06:37Z. 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 · 1 in this warning

opens (UTC)closes (UTC)locallength
2014-04-05 01:30Z2014-04-05 06:30Z—5 h

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

issued
2014-04-01 06:37Z
status
Archived notice
self-cancels
2014-04-05 19:29Z
authority
NAVAREA VIII 177/14 241007Z MAR 14 - AUSCOAST 77/14 CX 010151Z APR 14.
NAVAREA
NAVAREA VIII · named as the source of this relay
sea
Bay of Bengal
position
15.428, 84.398
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

BAY OF BENGAL.
INDIA-EAST COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS:
   A. 0930Z TO 1829Z DAILY 04 AND 05 APR
      IN AREA BOUND BY
      15-30N 083-24E, 16-14N 084-00E,
      15-34N 084-46E, 15-08N 084-24E.
   B. 050130Z TO 050630Z APR IN AREA BOUND BY
      15-30N 083-24E, 16-22N 084-06E,
      15-14N 085-22E, 14-32N 084-50E.
2. CANCEL HYDROPAC 905/14(74), AID RESTORED.
3. CANCEL THIS MSG 051929Z APR 14.

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.
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.
Cancellation reference
A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
HYDROPAC
The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.
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

656 within 180 nm since 2001 · 16 in the last 12 months · 0 listed in force now

01
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

9 military exercises listed in force · see all

Record snapshot 2026-10-03 12:23Z; 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.