Mining operations in progress until further notice in area bound by 50-21.7N 004-18.5W, 50-17.8N 004-38.7W,…
English Channel · HYDROLANT 976/21
What this record establishes
Archived notice · 2021-04-10 09:38Z
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) · WZ 406/21 091504Z APR 21.. Issued 2021-04-09 15:19Z. 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
- English Channel. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Mining operations in progress until further notice in area bound by 50-21.7N 004-18.5W, 50-17.8N 004-38.7W,…cancelled by this notice
- Cancel HYDROLANT 976/21 and this msg, exercise completedlater cancellation notice
These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.
- HYDROLANT 3225/202020-10-23 · Archived notice
- HYDROLANT 3780/202020-12-04 · Archived notice
- HYDROLANT 146/212021-01-15 · Archived notice
- HYDROLANT 568/212021-02-26 · Archived notice
- HYDROLANT 976/21 · this notice2021-04-09 · Archived notice
Current notices and reporting history in the English Channel →
- issued
- 2021-04-09 15:19Z
- status
- Archived notice
- authority
- WZ 406/21 091504Z APR 21.
- issued by
- WZ
- sea
- English Channel
- position
- 50.274, -4.411
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
ENGLISH CHANNEL. ENGLAND. DNC 20. 1. MINING OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE IN AREA BOUND BY 50-21.7N 004-18.5W, 50-17.8N 004-38.7W, 50-12.0N 004-35.7W, 50-13.6N 004-11.6W, 50-17.8N 004-13.0W, 50-20.9N 004-15.5W. 2. CANCEL HYDROLANT 568/21.
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.
- Until further notice
- The operation or danger has no scheduled end; the warning stays in force until a later message cancels it.
- 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.
- 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.
Collected reports in this area · mine warnings
18 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.
- Mining operations in progress until further notice in area bound by 50-21.7N 004-18.5W, 50-17.8N 004-38.7W,…2021-08-16
- Mining operations in progress until further notice in area bound by 50-21.7N 004-18.5W, 50-17.8N 004-38.7W,…2021-07-05
- Mining operations in progress until further notice in area bound by 50-21.7N 004-18.5W, 50-17.8N 004-38.7W,…2021-02-26
- Mining operations in progress until further notice in area bound by 50-21.7N 004-18.5W, 50-17.8N 004-38.7W,…2021-01-15
- Mining operations in progress until further notice in area bound by 50-21.7N 004-18.5W, 50-17.8N 004-38.7W,…2020-12-04
- Mining operations in progress until further notice in area bound by 50-21.7N 004-18.5W, 50-17.8N 004-38.7W,…2020-10-23
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
8 mine warnings listed in force · see all
Record snapshot 2026-10-02 22:33Z; source collection times vary.
Mines
Drifting or reported sea mines. Mostly the Black Sea since 2022. All current mine warnings →
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.