Hazardous operations 262020Z to 262120Z dec, alternate 2020Z to 2120Z daily 27 dec thru 30 jan 12 within…
Philippine Sea · HYDROPAC 3585/11
What this record establishes
Archived notice · 2011-12-27 00:28Z
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 990/11 240747Z DEC 11.. Issued 2011-12-24 12:13Z. 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 27.796, 135.931 with a 48.6 nm radius. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Cancel HYDROPAC 3585/11 and this msg, operations postponedlater cancellation notice
These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.
- HYDROPAC 3585/11 · this notice2011-12-24 · Archived notice
- HYDROPAC 3600/112011-12-27 · Archived notice
- HYDROPAC 68/122012-01-10 · Archived notice
- HYDROPAC 94/122012-01-11 · Archived notice
Current notices and reporting history in the Philippine Sea →
Activity windows · 36 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-12-26 20:20Z | 2011-12-26 21:20Z | — | 1 h |
| 2011-12-27 20:20Z | 2011-12-27 21:20Z | — | 1 h |
| 2011-12-28 20:20Z | 2011-12-28 21:20Z | — | 1 h |
| 2011-12-29 20:20Z | 2011-12-29 21:20Z | — | 1 h |
| 2011-12-30 20:20Z | 2011-12-30 21:20Z | — | 1 h |
| 2011-12-31 20:20Z | 2011-12-31 21:20Z | — | 1 h |
| 2012-01-01 20:20Z | 2012-01-01 21:20Z | — | 1 h |
| 2012-01-02 20:20Z | 2012-01-02 21:20Z | — | 1 h |
| … 28 more | |||
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2011-12-24 12:13Z
- status
- Archived notice
- self-cancels
- 2012-01-30 22:20Z
- authority
- NAVAREA XI 990/11 240747Z DEC 11.
- NAVAREA
- NAVAREA XI · named as the source of this relay
- sea
- Philippine Sea
- position
- 27.796, 135.931 · r 48.6 nm
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. ROCKETS. 1. HAZARDOUS OPERATIONS 262020Z TO 262120Z DEC, ALTERNATE 2020Z TO 2120Z DAILY 27 DEC THRU 30 JAN 12 WITHIN 48.6 MILES OF 27-47-46N 135-55-53E. 2. CANCEL THIS MSG 302220Z JAN 12.
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 · missile & rocket hazards
15 within 180 nm since 2009 · 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, space debris 020700Z to 020830Z dec, alternate 0700Z to 0830Z daily 03 and 31 dec in…2023-11-30
- Hazardous operations, space debris 010700Z to 010830Z dec, alternate 0700Z to 0830Z daily 02 thru 31 dec in…2023-11-27
- Hazardous operations, rocket launching: a. 260105Z to 260309Z jan, alternate 0105Z to 0309Z daily 27 jan…2023-01-25
- Hazardous operations, rocket launching: a. 250105Z to 250309Z jan, alternate 0105Z to 0309Z daily 26 jan…2023-01-20
- Hazardous operations, rocket launching 050400Z to 050800Z jun in area bound by 25-11-10N 135-13-29E,…2019-06-03
- Hazardous operations 102220Z to 110010Z jan, alternate 2220Z to 0010Z commencing daily 11 thru 30 jan…2017-01-06
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
4 missile & rocket hazards listed in force · see all
Record snapshot 2026-10-01 21:16Z; source collection times vary.
Missiles
Missile firings, rocket launches and space debris re-entry areas. All current missile & rocket hazards →
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.