Exercises

Hazardous operations 0330Z to 1030Z daily 10 thru 12 aug in area bound by 22-12.00N 068-36.33E, 21-15.50N…

Arabian Sea · HYDROPAC 2291/21

What this record establishes

Archived notice · 2021-08-11 10:26Z

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 589/21 091517Z AUG 21.. Issued 2021-08-09 15:30Z. 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
Arabian 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.

Related notices and cancellation links

Current notices and reporting history in the Arabian Sea →

Activity windows · 3 in this warning

opens (UTC)closes (UTC)locallength
2021-08-10 03:30Z2021-08-10 10:30Z—7 h
2021-08-11 03:30Z2021-08-11 10:30Z—7 h
2021-08-12 03:30Z2021-08-12 10:30Z—7 h

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

issued
2021-08-09 15:30Z
status
Archived notice
self-cancels
2021-08-12 11:30Z
authority
NAVAREA VIII 589/21 091517Z AUG 21.
NAVAREA
NAVAREA VIII · named as the source of this relay
sea
Arabian Sea
position
21.571, 69.150
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

ARABIAN SEA.
INDIA.
DNC 03.
1. HAZARDOUS OPERATIONS 0330Z TO 1030Z DAILY
   10 THRU 12 AUG IN AREA BOUND BY
   22-12.00N 068-36.33E, 21-15.50N 069-04.00E,
   21-09.00N 069-40.00E, 21-15.50N 069-42.50E,
   22-05.75N 068-49.00E.
2. CANCEL THIS MSG 121130Z AUG 21.

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

515 within 180 nm since 2001 · 14 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

Worldwide in the collected sources

9 military exercises listed in force · see all

Record snapshot 2026-10-03 19:51Z; 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.