Exercises

Hazardous operations

Golfo de California · Mexico · NAVAREA XII 275/15

What this record establishes

Archived notice · 2015-08-22 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 130/15 112102Z AUG 15 - SHGA 13 AUG 15.. Issued 2015-08-13 11:09Z. 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
Golfo de California · Mexico. No usable coordinates were parsed; a location-based nearby search is unavailable. Check the original wording for limits and qualifications.

Related notices and cancellation links

issued
2015-08-13 11:09Z
status
Archived notice
authority
MEXICO XII 130/15 112102Z AUG 15 - SHGA 13 AUG 15.
NAVAREA
NAVAREA XII
issued by
MEXICO XII
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

GOLFO DE CALIFORNIA.
MEXICO.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 11 THRU 21 AUG
   IN AREA BETWEEN
   26-50N 27-00N AND 111-11W 111-00W.
2. CANCEL NAVAREA XII 273/15(16,17).
3. CANCEL NAVAREA XII 274/15.
4. CANCEL THIS MSG 22 AUG 15.

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.
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.

All warning terms →

Nearby notices listed in force · within 120 nm

No parsed position is available for this comparison.

Worldwide in the collected sources

9 military exercises listed in force · see all

Record snapshot 2026-10-02 19:20Z; 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.