Exercises
Gunnery exercises 0200Z to 0930Z daily 14 and 15 mar in area between 12-20N 12-29N and 100-58E 101-15E
Gulf of Thailand · Thailand · HYDROPAC 984/18
What this record establishes
Archived notice · 2018-03-15 10:30Z
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 134/18 131334Z MAR 18.. Issued 2018-03-13 13:43Z. 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 · Thailand. No usable coordinates were parsed; a location-based nearby search is unavailable. Check the original wording for limits and qualifications.
Related notices and cancellation links
- An earthquake occurred at 241047Z oct with a preliminary magnitude of 6.6, in 07-36S 123-08Ecancelled by this notice
- issued
- 2018-03-13 13:43Z
- status
- Archived notice
- self-cancels
- 2018-03-15 10:30Z
- authority
- NAVAREA XI 134/18 131334Z MAR 18.
- NAVAREA
- NAVAREA XI · named as the source of this relay
- 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 0200Z TO 0930Z DAILY 14 AND 15 MAR IN AREA BETWEEN 12-20N 12-29N AND 100-58E 101-15E. 2. CANCEL HYDROPAC 3623/17. 3. CANCEL THIS MSG 151030Z MAR 18.
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.
- 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.
- 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.
Nearby notices listed in force · within 120 nm
No parsed position is available for this comparison.
Worldwide in the collected sources
9 military exercises listed in force · see all
Record snapshot 2026-10-03 17:32Z; 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.