Exercises

Hazardous operations

Western Mediterranean Sea · Strait of Gibraltar · Alboran Sea · HYDROLANT 2677/15

What this record establishes

Archived notice · 2015-11-07 00:59Z

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) · NAVAREA III 611/15 291202Z OCT 15.. Issued 2015-10-29 15:30Z. 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
Western Mediterranean Sea · Strait of Gibraltar · Alboran Sea. 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

Activity windows · 2 in this warning

opens (UTC)closes (UTC)locallength
2015-10-25 12:00Z2015-11-01 23:59Z—179 h 59
2015-10-25 12:00Z2015-11-06 23:59Z—299 h 59

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

issued
2015-10-29 15:30Z
status
Archived notice
self-cancels
2015-11-07 00:59Z
authority
NAVAREA III 611/15 291202Z OCT 15.
NAVAREA
NAVAREA III · named as the source of this relay
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

WESTERN MEDITERRANEAN SEA.
STRAIT OF GIBRALTAR.
ALBORAN SEA.
HAZARDOUS OPERATIONS.
DNC 08.
1. HAZARDOUS OPERATIONS:
   A. 251200Z OCT TO 012359Z NOV
      IN AREA BETWEEN
      37-30N 35-30N AND 005-30W 003-30W.
   B. 251200Z OCT TO 062359Z NOV
      IN AREA BETWEEN
      38-30N 35-30N AND 000-00 003-30E.
2. CANCEL HYDROLANT 2610/15(51,52,53).
3. CANCEL THIS MSG 070059Z NOV 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.
DNC (Digital Nautical Chart)
A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
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.
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.
HYDROLANT
The U.S. long-range warning series for Atlantic waters outside NAVAREA IV, including the eastern Atlantic, the Mediterranean and adjoining seas.
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 19:19Z; 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.