Exercises

Hazardous operations

Persian Gulf · HYDROPAC 1702/15

What this record establishes

Archived notice · 2015-05-28 16:00Z

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) · CDR JONES 121211Z MAY 15.. Issued 2015-05-23 07:40Z. 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
Persian Gulf. The parsed report position is 24.867, 54.117 with a 20.0 nm radius. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the Persian Gulf →

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2015-05-28 07:00Z2015-05-28 15:00Z—8 h

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

issued
2015-05-23 07:40Z
status
Archived notice
self-cancels
2015-05-28 16:00Z
authority
CDR JONES 121211Z MAY 15.
issued by
CDR JONES
sea
Persian Gulf
position
24.867, 54.117 · r 20.0 nm
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

PERSIAN GULF.
U.A.E.
HAZARDOUS OPERATIONS.
DNC 10.
1. HAZARDOUS OPERATIONS 280700Z TO 281500Z MAY
   WITHIN 20 MILES OF 24-52N 054-07E.
2. CANCEL THIS MSG 281600Z MAY 15.

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.
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.
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.
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.

All warning terms →

Collected reports in this area · military exercises

36 within 180 nm since 2002 · 0 in the last 12 months · 0 listed in force now

02
05
10
15
20

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

28 military exercises listed in force · see all

Record snapshot 2026-10-01 09:46Z; 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.