Ordnance

Bombing exercises: a. in progress until 182359Z feb in area between 15-00N 16-30N and 058-30E 061-00E

Arabian Sea · HYDROPAC 539/11

What this record establishes

Archived notice · 2011-02-23 00:59Z

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) · CTF 54 151139Z FEB 11.. Issued 2011-02-18 07:26Z. 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 · 1 in this warning

opens (UTC)closes (UTC)locallength
2011-02-19 15:00Z2011-02-22 23:59Z—80 h 59

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

issued
2011-02-18 07:26Z
status
Archived notice
self-cancels
2011-02-23 00:59Z
authority
CTF 54 151139Z FEB 11.
issued by
CTF
sea
Arabian Sea
position
22.417, 61.162
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

ARABIAN SEA.
GULF OF OMAN.
ORDNANCE.
1. BOMBING EXERCISES:
   A. IN PROGRESS UNTIL 182359Z FEB
      IN AREA BETWEEN
      15-00N 16-30N AND 058-30E 061-00E.
   B. IN PROGRESS UNTIL 202359Z FEB
      IN AREA BOUND BY
      21-12N 062-04E, 20-48N 063-02E,
      19-50N 062-37E, 20-14N 061-39E.
   C. 191500Z TO 222359Z FEB
      IN AREA BOUND BY
      23-04N 060-53E, 22-40N 061-53E,
      21-46N 061-25E, 22-10N 060-27E.
2. CANCEL HYDROPAC 507/11.
3. CANCEL THIS MSG 230059Z FEB.

Reading this warning

Unexploded ordnance
Bombs, shells, mines or torpedoes found on the seabed or washed up, and the operations to remove or destroy them.
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.
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.
Area bound by
Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
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 · ordnance operations

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

01
05
10
11

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

0 ordnance operations listed in force · see all

Record snapshot 2026-10-03 05:44Z; source collection times vary.

Ordnance

Ordnance disposal, underwater detonations and unexploded ordnance. All current ordnance operations →

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.