Gunnery exercises 2300Z to 0400Z commencing daily 02 thru 06, 09 thru 13, 16 thru 20, 23 thru 27, 30 jan and…
Philippine Sea · HYDROPAC 2962/10
What this record establishes
Archived notice · 2011-01-31 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 1000/10 290747Z DEC 10; PVWA 29 DEC 10.. Issued 2010-12-29 10:53Z. 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.
Related notices and cancellation links
- Previously hijacked F/V shih fu no 1 conducting mothership operations in 18-07.8S 052-43.2E at 270318Z deccancelled by this notice
- Possible mothership activity in 01-14.9N 056-12.0E at 280957Z deccancelled by this notice
Current notices and reporting history in the Philippine Sea →
Activity windows · 10 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-01-02 23:00Z | 2011-01-03 04:00Z | — | 5 h |
| 2011-01-03 06:00Z | 2011-01-03 09:00Z | — | 3 h |
| 2011-01-03 23:00Z | 2011-01-04 04:00Z | — | 5 h |
| 2011-01-04 06:00Z | 2011-01-04 09:00Z | — | 3 h |
| 2011-01-04 23:00Z | 2011-01-05 04:00Z | — | 5 h |
| 2011-01-05 06:00Z | 2011-01-05 09:00Z | — | 3 h |
| 2011-01-05 23:00Z | 2011-01-06 04:00Z | — | 5 h |
| 2011-01-06 06:00Z | 2011-01-06 09:00Z | — | 3 h |
| … 2 more | |||
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2010-12-29 10:53Z
- status
- Archived notice
- self-cancels
- 2011-01-31 10:00Z
- authority
- NAVAREA XI 1000/10 290747Z DEC 10; PVWA 29 DEC 10.
- NAVAREA
- NAVAREA XI · named as the source of this relay
- sea
- Philippine Sea
- position
- 21.968, 121.834
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
TAIWAN-SOUTHEAST COAST.
GUNNERY.
1. GUNNERY EXERCISES 2300Z TO 0400Z COMMENCING
DAILY 02 THRU 06, 09 THRU 13, 16 THRU 20,
23 THRU 27, 30 JAN AND 0600Z TO 0900Z DAILY
03 THRU 07, 10 THRU 14, 17 THRU 21,
24 THRU 28 AND 31 JAN:
A. IN AREA BOUND BY
22-26.9N 122-00.5E, 21-32.9N 122-00.5E,
21-41.9N 121-40.5E, 22-14.9N 121-40.5E.
B. WITHIN 28 MILES OF 21-58.0N 121-50.0E.
2. CANCEL HYDROPAC 2935/10(61) AND 2951/10(63).
3. CANCEL THIS MSG 311000Z JAN 11.
Reading this warning
- 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.
- 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.
Collected reports in this area · military exercises
727 within 180 nm since 1999 · 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.
- Gunnery exercises 0100Z to 0230Z daily 12 and 13 jan in area bound by 24-24.00N 122-20.00E, 24-24.00N…2023-01-07
- Hazardous operations 0330Z to 1000Z daily 09 thru 15 dec in areas bound by: a. 23-38.00N 123-22.00E,…2022-12-06
- Hazardous operations in progress until 080200Z aug in area bound by 23-13.00N 122-30.00E, 23-40.00N…2022-08-04
- Gunnery exercise 040400Z to 070400Z aug in area bound by 21-14.00N 121-33.00E, 21-33.00N 121-18.00E,…2022-08-02
- Gunnery exercise 040400Z to 070400Z aug in area bound by 23-38.00N 123-23.00E, 23-38.00N 122-51.00E,…2022-08-02
- Gunnery exercises 1900Z to 0300Z daily 28, 29 jun, 05 thru 07, 11 thru 14, 19, 20 and 25 jul, and 0100Z to…2022-06-24
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 21:52Z; 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.