Hazardous operations 1830Z to 2030Z daily 19 thru 22 oct within 216 miles of 31-55N 153-45E
North Pacific Ocean · HYDROPAC 2904/11
What this record establishes
Archived notice · 2011-10-20 07:43Z
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 813/11 150759Z OCT 11.. Issued 2011-10-15 11:52Z. 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
- North Pacific Ocean. The parsed report position is 31.917, 153.750 with a 216.0 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 2904/11 and this msg, operations completedlater 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 2604/112011-09-16 · Archived notice
- HYDROPAC 2656/112011-09-21 · Archived notice
- HYDROPAC 2904/11 · this notice2011-10-15 · Archived notice
- HYDROPAC 2948/112011-10-20 · Archived notice
Current notices and reporting history in the North Pacific Ocean →
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-10-19 18:30Z | 2011-10-19 20:30Z | — | 2 h |
| 2011-10-20 18:30Z | 2011-10-20 20:30Z | — | 2 h |
| 2011-10-21 18:30Z | 2011-10-21 20:30Z | — | 2 h |
| 2011-10-22 18:30Z | 2011-10-22 20:30Z | — | 2 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2011-10-15 11:52Z
- status
- Archived notice
- self-cancels
- 2011-10-22 21:30Z
- authority
- NAVAREA XI 813/11 150759Z OCT 11.
- NAVAREA
- NAVAREA XI · named as the source of this relay
- sea
- North Pacific Ocean
- position
- 31.917, 153.750 · r 216.0 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 1830Z TO 2030Z DAILY 19 THRU 22 OCT WITHIN 216 MILES OF 31-55N 153-45E. 2. CANCEL THIS MSG 222130Z OCT.
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.
- 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.
- 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 · missile & rocket hazards
9 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.
- Hazardous operations 2330Z to 0100Z commencing daily 11 thru 15 nov within 216 miles of 31-55N 153-45E2013-11-08
- Hazardous operations 1830Z to 2000Z daily 20 thru 23 nov within 216 miles of 31-55N 153-45E2012-11-16
- Hazardous operations: a. 1830Z to 1930Z daily 26 thru 29 dec within 216 miles of 24-23N 161-46E2011-12-23
- Hazardous operations 2230Z to 0030Z commencing daily 20 thru 23 sep within 216 miles of 31-55N 153-45E2011-09-16
- Hazardous operations 1700Z to 1830Z daily 14 thru 17 nov within 216 miles of 31-55N 153-45E2010-11-12
- Hazardous operations 2200Z to 2330Z daily 03 thru 06 jun within 216 miles of 31-55N 153-45E2010-05-30
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 2026-10-02 07:15Z; 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.