Exercises

Gunnery exercises 0530Z to 0900Z daily 05, 07, 12, 14, 19, 21, 26 and 28 dec: a. in area between 22-34.9N…

South China Sea · HYDROPAC 3392/12

What this record establishes

Archived notice · 2012-12-28 10:00Z

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 799/12 301133Z NOV 12 - NAVAREA XI 798/12 301133Z NOV 12.. Issued 2012-11-30 11:57Z. 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
South China Sea. The parsed report position is 22.748, 119.592 with a 15.0 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 South China Sea →

issued
2012-11-30 11:57Z
status
Archived notice
self-cancels
2012-12-28 10:00Z
authority
NAVAREA XI 799/12 301133Z NOV 12 - NAVAREA XI 798/12 301133Z NOV 12.
NAVAREA
NAVAREA XI · named as the source of this relay
sea
South China Sea
position
22.748, 119.592 · r 15.0 nm
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

TAIWAN STRAIT.
GUNNERY.
1. GUNNERY EXERCISES 0530Z TO 0900Z DAILY 05, 07,
   12, 14, 19, 21, 26 AND 28 DEC:
   A. IN AREA BETWEEN
      22-34.9N 22-54.9N AND 119-25.5E 119-45.5E.
   B. WITHIN 15 MILES OF 22-44.9N 119-35.5E.
2. CANCEL HYDROPAC 3377/12(97), VESSEL ASSISTED.
3. CANCEL THIS MSG 281000Z DEC 12.

Reading this warning

Gunnery and live firing
Naval or coastal guns firing into a sea area for practice, at stated times.
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.
Within a radius of
A circular area — every position within a stated distance of a point.
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.
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.

All warning terms →

Collected reports in this area · military exercises

802 within 180 nm since 1999 · 0 in the last 12 months · 0 listed in force now

99
00
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

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

28 military exercises listed in force · see all

Record snapshot 2026-10-02 05:28Z; 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.