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 146/21
What this record establishes
Archived notice · 2021-02-26 17:32Z
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 55/21 151213Z JAN 21.. Issued 2021-01-15 12:54Z. 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
- Mining operations in progress until further notice in area bound by 50-21.7N 004-18.5W, 50-17.8N 004-38.7W,…later 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 146/21 · this notice2021-01-15 · Archived notice
- HYDROLANT 568/212021-02-26 · Archived notice
- HYDROLANT 976/212021-04-09 · Archived notice
Current notices and reporting history in the English Channel →
- issued
- 2021-01-15 12:54Z
- status
- Archived notice
- authority
- WZ 55/21 151213Z JAN 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 3780/20.
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,…2021-04-09
- 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,…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 00:44Z; 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.