Hazardous operations
North Pacific Ocean · NAVAREA XII 406/16
What this record establishes
Archived notice · 2016-11-11 18:58Z
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 W9264 012135Z NOV 16.. Issued 2016-11-06 04:02Z. 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 operationslater cancellation notice
Current notices and reporting history in the North Pacific Ocean →
Activity windows · 5 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2016-11-11 18:00Z | 2016-11-11 19:28Z | — | 1 h 28 |
| 2016-11-12 18:00Z | 2016-11-12 19:28Z | — | 1 h 28 |
| 2016-11-13 18:00Z | 2016-11-13 19:28Z | — | 1 h 28 |
| 2016-11-14 18:00Z | 2016-11-14 19:28Z | — | 1 h 28 |
| 2016-11-15 18:00Z | 2016-11-15 19:28Z | — | 1 h 28 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2016-11-06 04:02Z
- status
- Archived notice
- self-cancels
- 2016-11-15 20:28Z
- authority
- WESTERN RANGE OP W9264 012135Z NOV 16.
- NAVAREA
- NAVAREA XII
- issued by
- WESTERN RANGE OP
- sea
- North Pacific Ocean
- position
- 11.208, -125.270
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 1800Z TO 1928Z DAILY 11 THRU 15 NOV IN AREA BOUND BY 09-12N 125-06W, 09-24N 126-08W, 13-12N 125-27W, 13-01N 124-24W. 2. CANCEL THIS MSG 152028Z NOV 16.
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 · military exercises
32 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: a. 100855Z to 101034Z nov, alternate 0855Z to 1034Z daily 11 and 12 nov in area bound…2022-11-05
- Hazardous operations: a. 010855Z to 011034Z nov, alternate 020855Z to 021034Z nov in area bound by 34-43.00N…2022-10-29
- Hazardous operations: a. 010855Z to 011034Z nov, alternate 020855Z to 021034Z nov in area bound by 34-43.00N…2022-10-27
- Hazardous operations: a. 1741Z to 1914Z daily 27 and 28 sep in area bound by 34-29N 120-28W, 34-17N 120-41W,…2021-09-22
- Hazardous operations2016-11-01
- Hazardous operations2016-09-16
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 2026-10-01 19:21Z; 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.