Exercises

Gunnery exercises 0100Z to 1100Z daily 29 and 30 aug in area bound by 12-20N 100-30E, 12-20N 100-41E, 12-40N…

Gulf of Thailand · HYDROPAC 2745/19

What this record establishes

Archived notice · 2019-08-30 12:00Z

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 469/19 240024Z AUG 19.. Issued 2019-08-24 00:41Z. 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 Thailand. 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 Thailand →

issued: 2019-08-24 00:41Z
status: Archived notice
self-cancels: 2019-08-30 12:00Z
authority: NAVAREA XI 469/19 240024Z AUG 19.
NAVAREA: NAVAREA XI · named as the source of this relay
sea: Gulf of Thailand
position: 12.500, 100.592
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

GULF OF THAILAND.
THAILAND.
DNC 03.
1. GUNNERY EXERCISES 0100Z TO 1100Z DAILY
   29 AND 30 AUG IN AREA BOUND BY
   12-20N 100-30E, 12-20N 100-41E,
   12-40N 100-41E, 12-40N 100-30E.
2. CANCEL THIS MSG 301200Z AUG 19.

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

2 within 180 nm since 2010 · 0 in the last 12 months · 0 listed in force now

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.

Hazardous operations2010-11-24

Month of issue in the collected archive

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 2026-10-01 05:40Z; 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.