Gunnery exercises in progress until 31 dec within 20 miles of 23-50N 017-00W
North Atlantic Ocean · HYDROLANT 1899/09
What this record establishes
Archived notice · 2010-01-01 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 II 264/09 021220Z OCT 09.. Issued 2009-10-02 12:49Z. 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 23.833, -17.000 with a 20.0 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
Current notices and reporting history in the North Atlantic Ocean →
- issued
- 2009-10-02 12:49Z
- status
- Archived notice
- authority
- NAVAREA II 264/09 021220Z OCT 09.
- NAVAREA
- NAVAREA II · named as the source of this relay
- sea
- North Atlantic Ocean
- position
- 23.833, -17.000 · r 20.0 nm
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. GUNNERY EXERCISES IN PROGRESS UNTIL 31 DEC WITHIN 20 MILES OF 23-50N 017-00W. 2. CANCEL HYDROLANT 1843/09(51,57) AND 1849/09(24), OPERATIONS COMPLETED. 3. CANCEL THIS MSG 01 JAN 10.
Reading this warning
- Gunnery and live firing
- Naval or coastal guns firing into a sea area for practice, at stated times.
- 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.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROLANT
- The U.S. long-range warning series for Atlantic waters outside NAVAREA IV, including the eastern Atlantic, the Mediterranean and adjoining seas.
- 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
16 within 180 nm since 2000 · 7 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 280001Z to 302359Z sep in area bound by 23-35.00N 017-00.00W, 23-35.08N 017-21.75W,…2026-09-26
- Special operations2026-09-26
- Special operations2026-09-22
- Special operations2026-09-19
- Special operations2026-09-15
- Hazardous operations 020001Z to 022359Z sep in area bound by 23-35.00N 017-00.00W, 23-35.08N 017-21.75W,…2026-08-29
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
- Newly discovered dangersWrecks · 64.5 nm
Worldwide in the collected sources
28 military exercises listed in force · see all
Record snapshot 2026-10-01 08:31Z; 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.