Hazardous operations
Mediterranean Sea - Western Basin · HYDROLANT 1817/10
What this record establishes
Archived notice · 2010-10-01 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) · NAVAREA III 300/10 251206Z SEP 10.. Issued 2010-09-25 12:43Z. 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
- Mediterranean Sea - Western Basin. 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 Mediterranean Sea - Western Basin →
- issued
- 2010-09-25 12:43Z
- status
- Archived notice
- authority
- NAVAREA III 300/10 251206Z SEP 10.
- NAVAREA
- NAVAREA III · named as the source of this relay
- sea
- Mediterranean Sea - Western Basin
- position
- 36.007, -0.678
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN MEDITERRANEAN SEA. ALGERIA. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS IN PROGRESS UNTIL 30 SEP IN AREA BOUND BY 36-07.5N 000-59.5W, 36-13.5N 000-32.0W, 35-52.5N 000-29.0W, 35-43.0N 000-36.0W. 2. CANCEL THIS MSG 01 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.
Collected reports in this area · military exercises
69 within 180 nm since 1999 · 1 in the last 12 months · 1 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 290001Z to 302359Z oct in area bound by 38-30.60N 000-30.80E, 38-35.50N 000-46.40E,…2026-06-25
- Gunnery exercises 01 feb thru 08 mar in area bound by: 33-41.04N 008-03.04W, 33-41.04N 008-26.91W, 33-48.57N…2024-01-26
- Hazardous operations 0100Z to 1500Z daily 25 thru 28 apr in area bound by 36-01-18N 001-17-48W, 35-34-30N…2022-04-25
- Hazardous operations 0800Z to 1700Z daily 18 thru 21 jan in area bound by 36-01.18N 001-17.48W, 35-34.30N…2022-01-18
- Hazardous operations in progress until 012359Z dec in area bound by 35-37.0N 001-10.0W, 35-51.6N 001-10.0W,…2021-11-30
- Hazardous operations 302000Z nov to 011800Z dec in area bound by 35-37.0N 001-10.0W, 35-51.6N 001-10.0W,…2021-11-30
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
32 military exercises listed in force · see all
Record snapshot 2026-09-27 23:32Z; 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.