Hazardous operations 1540Z to 1800Z daily 27 sep thru 03 oct in areas bound by: a. 57-29.040N 152-16.970W,…
Gulf of Alaska · NAVAREA XII 357/11
What this record establishes
Archived notice · 2011-09-30 05:48Z
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) · USCG SECTOR ANCHORAGE 270132Z SEP 11.. Issued 2011-09-27 02:48Z. 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
- Gulf of Alaska. 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
- Cancel NAVAREA XII 357/11 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 357/11 · this notice2011-09-27 · Archived notice
- NAVAREA XII 362/112011-09-30 · Archived notice
Current notices and reporting history in the Gulf of Alaska →
Activity windows · 7 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-09-27 15:40Z | 2011-09-27 18:00Z | — | 2 h 20 |
| 2011-09-28 15:40Z | 2011-09-28 18:00Z | — | 2 h 20 |
| 2011-09-29 15:40Z | 2011-09-29 18:00Z | — | 2 h 20 |
| 2011-09-30 15:40Z | 2011-09-30 18:00Z | — | 2 h 20 |
| 2011-10-01 15:40Z | 2011-10-01 18:00Z | — | 2 h 20 |
| 2011-10-02 15:40Z | 2011-10-02 18:00Z | — | 2 h 20 |
| 2011-10-03 15:40Z | 2011-10-03 18:00Z | — | 2 h 20 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2011-09-27 02:48Z
- status
- Archived notice
- self-cancels
- 2011-10-03 19:00Z
- authority
- USCG SECTOR ANCHORAGE 270132Z SEP 11.
- NAVAREA
- NAVAREA XII
- issued by
- USCG SECTOR ANCHORAGE
- sea
- Gulf of Alaska
- position
- 56.694, -150.885
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC.
ALASKA.
ROCKETS.
1. HAZARDOUS OPERATIONS 1540Z TO 1800Z DAILY
27 SEP THRU 03 OCT IN AREAS BOUND BY:
A. 57-29.040N 152-16.970W, 57-26.930N 151-52.880W,
56-58.820N 149-52.660W, 56-24.440N 150-53.470W,
57-09.980N 152-11.910W, 57-21.940N 152-25.340W.
B. 46-15.630N 135-28.428W, 46-23.034N 135-13.416W,
45-48.024N 134-37.620W, 45-40.824N 134-51.516W.
C. 44-24.510N 133-39.186W, 44-32.448N 133-22.008W,
43-49.608N 132-41.730W, 43-41.670N 132-57.768W.
2. CANCEL THIS MSG 031900Z 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.
- 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.
- 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
2 within 180 nm since 2011 · 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
Worldwide in the collected sources
7 missile & rocket hazards listed in force · see all
Record snapshot 2026-10-03 19:53Z; 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.