Hazardous operations 2100Z to 2330Z daily 29 nov thru 02 dec within 290 miles of 35-56.1N 148-39.1E
North Pacific Ocean · HYDROPAC 2208/09
What this record establishes
Archived notice · 2009-12-01 08:06Z
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 788/09 261207Z NOV 09.. Issued 2009-11-26 13:34Z. 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 35.935, 148.652 with a 290.0 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
- Submarine cable operations 19 thru 30 nov, alternate 01 thru 07 dec by cableship kddi pacific link in area…cancelled by this notice
- Cancel HYDROPAC 2208/09 and this msglater cancellation notice
Current notices and reporting history in the North Pacific Ocean →
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2009-11-29 21:00Z | 2009-11-29 23:30Z | — | 2 h 30 |
| 2009-11-30 21:00Z | 2009-11-30 23:30Z | — | 2 h 30 |
| 2009-12-01 21:00Z | 2009-12-01 23:30Z | — | 2 h 30 |
| 2009-12-02 21:00Z | 2009-12-02 23:30Z | — | 2 h 30 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2009-11-26 13:34Z
- status
- Archived notice
- self-cancels
- 2009-12-03 00:30Z
- authority
- NAVAREA XI 788/09 261207Z NOV 09.
- NAVAREA
- NAVAREA XI · named as the source of this relay
- sea
- North Pacific Ocean
- position
- 35.935, 148.652 · r 290.0 nm
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 2100Z TO 2330Z DAILY 29 NOV THRU 02 DEC WITHIN 290 MILES OF 35-56.1N 148-39.1E. 2. CANCEL HYDROPAC 2120/09, OPERATIONS COMPLETED. 3. CANCEL THIS MSG 030030Z 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.
- 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.
- 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
10 within 180 nm since 2005 · 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 130330Z to 130900Z may within ten miles of 37-10.4N 148-58.4E2010-05-08
- Hazardous operations 252000Z to 260001Z oct within 30 miles of 36-40N 146-00E2009-10-24
- Hazardous operations 082000Z to 090400Z oct within six miles of 36-21-52N 147-12-41E2009-10-07
- Hazardous operations 2130Z to 2300Z daily 21 thru 24 jun within 280 miles of 36-16N 148-11E2009-06-18
- Hazardous operations 1800Z to 2100Z daily 26 thru 28 feb within 280 miles of 36-16N 148-11E2009-02-23
- Hazardous operations 0500Z to 0700Z daily 28 and 29 apr within 280 miles of 36-16N 148-11E2008-04-27
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 2026-10-02 08:14Z; 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.