Hazardous operations
Alboran Sea · HYDROLANT 893/11
What this record establishes
Archived notice · 2011-06-04 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 250/11 27 MAY 11.. Issued 2011-05-27 17:38Z. 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
- Alboran Sea. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-05-30 00:01Z | 2011-06-03 23:59Z | — | 119 h 58 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2011-05-27 17:38Z
- status
- Archived notice
- self-cancels
- 2011-06-04 00:59Z
- authority
- NAVAREA III 250/11 27 MAY 11.
- NAVAREA
- NAVAREA III · named as the source of this relay
- sea
- Alboran Sea
- position
- 35.676, -4.202
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
ALBORAN SEA. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 300001Z MAY TO 032359Z JUN IN AREA BOUND BY 35-50N 004-50W, 35-50N 003-40W, 35-30N 003-40W, 35-30N 004-30W, 35-43N 004-50W. 2. CANCEL THIS MSG 040059Z JUN.
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.
- 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.
- 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
83 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.
- 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 170800Z to 241200Z nov in area bound by 20-00.00N 020-00.00W, 53-00.00N 020-00.00W,…2022-11-16
- 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
9 military exercises listed in force · see all
Record snapshot 2026-10-03 00:40Z; 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.