Gunnery exercises 041800Z to 042300Z dec within 25 miles of 42-20N 012-00W
North Atlantic Ocean · HYDROLANT 2355/09
What this record establishes
Archived notice · 2009-12-04 23:59Z
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 II 336/09 031925Z DEC 09.. Issued 2009-12-03 21:06Z. 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 42.333, -12.000 with a 25.0 nm radius. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Current notices and reporting history in the North Atlantic Ocean →
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2009-12-04 18:00Z | 2009-12-04 23:00Z | — | 5 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2009-12-03 21:06Z
- status
- Archived notice
- self-cancels
- 2009-12-04 23:59Z
- authority
- NAVAREA II 336/09 031925Z DEC 09.
- NAVAREA
- NAVAREA II · named as the source of this relay
- sea
- North Atlantic Ocean
- position
- 42.333, -12.000 · r 25.0 nm
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. GUNNERY EXERCISES 041800Z TO 042300Z DEC WITHIN 25 MILES OF 42-20N 012-00W. 2. CANCEL THIS MSG 042359Z DEC.
Reading this warning
- Gunnery and live firing
- Naval or coastal guns firing into a sea area for practice, at stated times.
- 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
8 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.
- Gunnery exercises 051500Z to 051900Z mar in area within 13 miles of 40-13N 009-44W2022-03-02
- Gunnery exercises 230800Z to 231000Z jun in area bound by 40-50N 009-58W, 40-49N 009-40W, 40-24N 009-42W,…2020-06-19
- Gunnery exercises 041000Z to 041200Z apr within five miles of 43-37-48N 009-58-00W2011-04-01
- Gunnery exercises 011300Z to 011400Z jul within 30 miles of 44-05N 009-15W2009-06-28
- Hazardous operations 091200Z to 111200Z may within 31 miles of 43-00N 012-00W2005-05-04
- Hazardous operations 300700Z to 311700Z oct in area bound by 44-55N 011-00W, 44-14N 009-44W, 43-51N 010-11W,…2002-10-29
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 2026-10-04 03:13Z; 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.