Hazardous operations in progress until 31 mar in area bound by 27-00.00N 111-00.00W, 27-00.00N 111-11.00W,…
Gulf of California · NAVAREA XII 156/23
What this record establishes
Archived notice · 2023-04-01 00:01Z
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) · MEXICO XII 4/23 271846Z MAR 23.. Issued 2023-03-27 20:22Z. 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 California. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Current notices and reporting history in the Gulf of California →
- issued
- 2023-03-27 20:22Z
- status
- Archived notice
- self-cancels
- 2023-04-01 00:01Z
- authority
- MEXICO XII 4/23 271846Z MAR 23.
- NAVAREA
- NAVAREA XII
- issued by
- MEXICO XII
- sea
- Gulf of California
- position
- 26.918, -111.091
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
GOLFO DE CALIFORNIA. MEXICO. 1. HAZARDOUS OPERATIONS IN PROGRESS UNTIL 31 MAR IN AREA BOUND BY 27-00.00N 111-00.00W, 27-00.00N 111-11.00W, 26-50.30N 111-11.00W, 26-50.00N 111-00.00W. 2. CANCEL THIS MSG 010001Z APR 23.
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
52 within 180 nm since 2000 · 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 19 thru 24 nov and 10 thru 15 dec in area bound by 25-34.00N 110-41.50W, 25-34.00N…2024-11-14
- Hazardous operations in progress until 27 oct and 19 thru 24 nov in area bound by 24-28.70N 111-46.00W,…2024-10-25
- Hazardous operations in progress until 27 oct and 03 thru 08 dec in area bound by 27-00.00N 111-00.00W,…2024-10-25
- Hazardous operations 26 thru 31 mar and 23 thru 28 apr in area bound by 25-34.00N 110-30.00W, 25-34.00N…2024-03-20
- Hazardous operations 26 thru 31 mar in area bound by 27-00.00N 111-00.00W, 27-00.00N 111-11.00W, 26-50.30N…2024-03-20
- Hazardous operations 26 thru 31 mar in area bound by 24-28.70N 111-46.00W, 24-28.70N 111-48.00W, 24-27.40N…2024-03-20
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 14:06Z; 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.