Exercises

Hazardous operations: a. 09 thru 12 feb in area bound by 24-25.0N 057-40.0E, 24-18.0N 057-40.0E, 24-09.0N…

Gulf of Oman · HYDROPAC 369/20

What this record establishes

Archived notice · 2020-02-13 00:01Z

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 IX 57/20 031500Z FEB 20.. Issued 2020-02-04 05:15Z. 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
Gulf of Oman. 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 Gulf of Oman →

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2020-02-05 03:30Z2020-02-05 09:00Z—5 h 30

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

issued
2020-02-04 05:15Z
status
Archived notice
authority
NAVAREA IX 57/20 031500Z FEB 20.
NAVAREA
NAVAREA IX · named as the source of this relay
sea
Gulf of Oman
position
24.102, 58.083
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

GULF OF OMAN.
OMAN.
DNC 10.
1. HAZARDOUS OPERATIONS:
   A. 09 THRU 12 FEB IN AREA BOUND BY
      24-25.0N 057-40.0E, 24-18.0N 057-40.0E,
      24-09.0N 057-40.0E, 23-51.3N 058-06.0E,
      23-51.5N 058-20.0E, 24-00.0N 058-39.0E,
      24-05.0N 058-25.0E, 24-10.0N 058-25.0E.
   B. 050330Z TO 050900Z FEB IN AREA WITHIN
      ONE MILE OF 23-50.7N 057-31.1E.
2. CANCEL THIS MSG 13 FEB 20.

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.
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.
Within a radius of
A circular area — every position within a stated distance of a point.
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

17 within 180 nm since 2004 · 0 in the last 12 months · 0 listed in force now

04
05
10
15
20
23

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 02:37Z; 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.