Hazardous operations 0411Z to 0555Z daily 26 and 27 sep in areas bound by: a. 34-18N 120-41W, 34-18N…
North Pacific Ocean · NAVAREA XII 390/10
What this record establishes
Archived notice · 2010-09-27 06:55Z
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) · WESTERN RANGE OP W3126 161509Z SEP 10 - WESTERN RANGE OP W7666 210432Z SEP 10.. Issued 2010-09-21 10:28Z. 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 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
- Hazardous operationscancelled by this notice
- Cancel NAVAREA XII 390/10 and this msg, operations completedlater cancellation notice
These messages are connected by recorded cancellation references. The links establish relationships between notices; they do not by themselves confirm a single object, a continuous track, or recovery.
- NAVAREA XII 390/10 · this notice2010-09-21 · Archived notice
- NAVAREA XII 398/102010-09-26 · Archived notice
Current notices and reporting history in the North Pacific Ocean →
- issued
- 2010-09-21 10:28Z
- status
- Archived notice
- self-cancels
- 2010-09-27 06:55Z
- authority
- WESTERN RANGE OP W3126 161509Z SEP 10 - WESTERN RANGE OP W7666 210432Z SEP 10.
- NAVAREA
- NAVAREA XII
- issued by
- WESTERN RANGE OP
- sea
- North Pacific Ocean
- position
- 20.708, -123.887
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC.
MISSILES.
1. HAZARDOUS OPERATIONS 0411Z TO 0555Z DAILY 26 AND 27 SEP
IN AREAS BOUND BY:
A. 34-18N 120-41W, 34-18N 120-43W,
34-34N 120-39W, 34-34N 120-37W.
B. 32-55N 121-09W, 34-09N 120-49W,
34-06N 120-37W, 32-52N 120-57W.
C. 20-03N 124-26W, 21-31N 124-08W,
21-22N 123-20W, 19-54N 123-39W.
D. 13-28N 125-45W, 17-48N 124-52W,
17-44N 124-29W, 13-24N 125-23W.
2. CANCEL NAVAREA XII 386/10(18,19,83), OPERATIONS COMPLETED.
3. CANCEL THIS MSG 270655Z SEP.
Reading this warning
- Missile firing
- Missile tests or exercises, with the danger area and times during which missiles may be in flight or falling.
- 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.
- 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.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- NAVAREA
- One of the 21 ocean areas of the World-Wide Navigational Warning Service, each with a coordinator that broadcasts long-range warnings.
- 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
1 within 180 nm since 2010 · 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.
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
- Potential tropical cyclone odalys (EP162026)Storms · 54.8 nm
Worldwide in the collected sources
5 missile & rocket hazards listed in force · see all
Record snapshot 2026-09-27 23:19Z; 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.