Exercises

Hazardous operations 201300Z to 202300Z jun within 25 miles of 19-30N 126-20E

Philippine Sea · HYDROPAC 1043/03

What this record establishes

Archived notice · 2003-06-21 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) · CTU 70.6.4 180729Z JUN 03. Issued 2003-06-18 10:40Z. 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
Philippine Sea. The parsed report position is 19.500, 126.333 with a 25.0 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 Philippine Sea →

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2003-06-20 13:00Z2003-06-20 23:00Z—10 h

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

issued
2003-06-18 10:40Z
status
Archived notice
self-cancels
2003-06-21 00:01Z
authority
CTU 70.6.4 180729Z JUN 03
issued by
CTU
sea
Philippine Sea
position
19.500, 126.333 · r 25.0 nm
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 201300Z TO 202300Z JUN
   WITHIN 25 MILES OF 19-30N 126-20E.
2. CANCEL THIS MSG 210001Z JUN.

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.
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

10 within 180 nm since 2003 · 0 in the last 12 months · 0 listed in force now

03
05
10
15
18

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

10 military exercises listed in force · see all

Record snapshot 2026-10-03 06:31Z; 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.