Hazardous operations 0100Z to 1500Z daily 25 thru 28 apr in area bound by 36-01-18N 001-17-48W, 35-34-30N…
Alboran Sea · HYDROLANT 1134/22
What this record establishes
Archived notice · 2022-04-28 16:00Z
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 152/22 251201Z APR 22.. Issued 2022-04-25 12:53Z. 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 · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2022-04-25 01:00Z | 2022-04-25 15:00Z | — | 14 h |
| 2022-04-26 01:00Z | 2022-04-26 15:00Z | — | 14 h |
| 2022-04-27 01:00Z | 2022-04-27 15:00Z | — | 14 h |
| 2022-04-28 01:00Z | 2022-04-28 15:00Z | — | 14 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2022-04-25 12:53Z
- status
- Archived notice
- self-cancels
- 2022-04-28 16:00Z
- authority
- NAVAREA III 152/22 251201Z APR 22.
- NAVAREA
- NAVAREA III · named as the source of this relay
- sea
- Alboran Sea
- position
- 35.778, -1.378
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN MEDITERRANEAN SEA. ALBORAN SEA. ALGERIA. DNC 08. 1. HAZARDOUS OPERATIONS 0100Z TO 1500Z DAILY 25 THRU 28 APR IN AREA BOUND BY 36-01-18N 001-17-48W, 35-34-30N 001-09-18W, 35-33-18N 001-11-28W, 35-46-30N 001-41-24W. 2. CANCEL THIS MSG 281600Z APR 22.
Reading this warning
- 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.
- 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
71 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 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
- Hazardous operations 282000Z sep to 012000Z oct in area bound by 36-33.17N 000-55.40W, 36-04.06N 001-57.18W,…2021-09-27
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 2026-10-01 19:16Z; 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.