Hazardous operations
North Atlantic Ocean · HYDROLANT 2604/12
What this record establishes
Archived notice · 2012-11-05 09:54Z
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 II 358/12 022119Z NOV 12.. Issued 2012-11-04 07:00Z. 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
- North Atlantic Ocean. The parsed report position is 46.500, -13.000 with a 45.0 nm radius. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Hazardous operations 081700Z to 081900Z nov within 45 miles of 46-30N 013-00Wlater cancellation notice
Current notices and reporting history in the North Atlantic Ocean →
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2012-11-08 17:00Z | 2012-11-08 19:00Z | — | 2 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2012-11-04 07:00Z
- status
- Archived notice
- self-cancels
- 2012-11-08 20:00Z
- authority
- NAVAREA II 358/12 022119Z NOV 12.
- NAVAREA
- NAVAREA II · named as the source of this relay
- sea
- North Atlantic Ocean
- position
- 46.500, -13.000 · r 45.0 nm
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH ATLANTIC. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 081700Z TO 081900Z NOV WITHIN 45 MILES OF 46-30N 013-00W. 2. CANCEL THIS MSG 082000Z NOV 12.
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.
- Within a radius of
- A circular area — every position within a stated distance of a point.
- 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
24 within 180 nm since 2000 · 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.
- Hazardous operations 130900Z to 131800Z feb in area within 40 miles of 46-39.76N 009-00.00W2024-02-09
- Hazardous operations 0200Z to 1200Z daily 06 nov thru 01 dec in areas bound by: a. 44-26.33N 001-15.67W,…2023-11-02
- Hazardous operations 1200Z to 1600Z daily 31 may and 06 jun and 0600Z to 1600Z daily 01 and 07 jun in area…2023-05-26
- Hazardous operations 0600Z to 1600Z daily 18 thru 20 oct in area bound by 47-30.00N 013-00.00W, 47-30.00N…2022-10-15
- Hazardous operations 0600Z to 1600Z daily 01 and 02 jun in area bound by 47-30.00N 008-10.00W, 47-30.00N…2022-05-30
- Gunnery exercises 112100Z to 120100Z jun, 0600Z to 1000Z and 1200Z to 1600Z daily 12 and 13 jun, and 140001Z…2021-06-09
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 2026-10-02 19:11Z; 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.