Exercises

Gunnery exercises 231600Z to 311600Z oct in areas bound by: a. 22-24N 128-08E, 20-49N 129-26E, 18-47N…

Philippine Sea · HYDROPAC 3281/13

What this record establishes

Archived notice · 2013-10-31 17:00Z

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) · NAVAREA XI 786/13 230753Z OCT 13.. Issued 2013-10-23 09:16Z. 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 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 Philippine Sea →

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2013-10-23 16:00Z2013-10-31 16:00Z—192 h

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

issued
2013-10-23 09:16Z
status
Archived notice
self-cancels
2013-10-31 17:00Z
authority
NAVAREA XI 786/13 230753Z OCT 13.
NAVAREA
NAVAREA XI · named as the source of this relay
sea
Philippine Sea
position
20.289, 127.956
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
PHILIPPINE SEA.
GUNNERY.
1. GUNNERY EXERCISES 231600Z TO 311600Z OCT
   IN AREAS BOUND BY:
   A. 22-24N 128-08E, 20-49N 129-26E,
      18-47N 126-37E, 19-38N 125-55E,
      20-43N 125-46E.
   B. 20-35N 130-34E, 19-47N 131-13E,
      19-10N 130-24E, 20-00N 129-45E.
   C. 19-21N 128-54E, 18-33N 129-32E,
      17-56N 128-42E, 18-45N 128-03E.
2. CANCEL THIS MSG 311700Z OCT 13.

Reading this warning

Gunnery and live firing
Naval or coastal guns firing into a sea area for practice, at stated times.
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.
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.

All warning terms →

Collected reports in this area · military exercises

8 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 05:46Z; 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.

Gunnery exercises 231600Z to 311600Z oct in areas bound by: a. 22-24N 128-08E, 20-49N 129-26E, 18-47N… — HYDROPAC 3281/13 · seahazards