Hazardous operations 150001Z to 161000Z dec within 25 miles of 20-00N 128-45E
Philippine Sea · HYDROPAC 2135/05
What this record establishes
Archived notice · 2005-12-16 11:00Z
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) · CTF 74 120830Z DEC 05.. Issued 2005-12-14 17:44Z. 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 parsed report position is 20.000, 128.750 with a 25.0 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 Philippine Sea →
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2005-12-15 00:01Z | 2005-12-16 10:00Z | — | 33 h 59 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2005-12-14 17:44Z
- status
- Archived notice
- self-cancels
- 2005-12-16 11:00Z
- authority
- CTF 74 120830Z DEC 05.
- issued by
- CTF
- sea
- Philippine Sea
- position
- 20.000, 128.750 · r 25.0 nm
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 150001Z TO 161000Z DEC WITHIN 25 MILES OF 20-00N 128-45E. 2. CANCEL THIS MSG 161100Z DEC.
Reading this warning
- Hazardous operations
- NGA's heading for activities that make an area dangerous — most often rocket launches, space debris and weapons firings, and some open-ended danger areas.
- 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.
- Within a radius of
- A circular area — every position within a stated distance of a point.
- 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.
Collected reports in this area · military exercises
8 within 180 nm since 2003 · 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 operations 071827Z to 071840Z dec in area bound by 22-20-00N 126-42-46E, 22-35-20N 126-48-37E,…2018-12-06
- Gunnery2016-04-11
- Gunnery exercises 070001Z to 131000Z dec in areas: a. bound by 20-35-28N 125-50-12E, 22-03-20N 128-24-30E,…2014-12-04
- Gunnery exercises 231600Z to 311600Z oct in areas bound by: a. 22-24N 128-08E, 20-49N 129-26E, 18-47N…2013-10-23
- Hazardous operations 150001Z to 161000Z dec within 25 miles of 20-00N 128-45E2005-12-14
- Hazardous operations 201300Z to 202300Z jun within 25 miles of 19-30N 126-20E2003-06-18
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
10 military exercises listed in force · see all
Record snapshot 2026-10-03 06:31Z; 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.