Cable operations 191800Z aug until further notice by cableship layla in area bound by 47-59.80N 015-51.73W,…
North Atlantic Ocean · HYDROLANT 2135/21
What this record establishes
Archived notice · 2021-08-24 04:06Z
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 310/21 191240Z AUG 21.. Issued 2021-08-19 12:45Z. 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 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
- Cable operations 12 aug until further notice by cableship layla in area bound by 47-54.18N 020-08.50W,…cancelled by this notice
- Cancel HYDROLANT 2135/21 and this msglater cancellation notice
Current notices and reporting history in the North Atlantic Ocean →
- issued
- 2021-08-19 12:45Z
- status
- Archived notice
- authority
- NAVAREA II 310/21 191240Z AUG 21.
- NAVAREA
- NAVAREA II · named as the source of this relay
- sea
- North Atlantic Ocean
- position
- 47.903, -14.913
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH ATLANTIC. DNC 08. 1. CABLE OPERATIONS 191800Z AUG UNTIL FURTHER NOTICE BY CABLESHIP LAYLA IN AREA BOUND BY 47-59.80N 015-51.73W, 47-58.00N 013-57.80W, 47-48.50N 013-58.33W, 47-50.35N 015-51.60W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 2087/21.
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.
- Cable operations
- A ship is laying, burying or repairing a submarine cable, usually along a stated route.
- 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.
- 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.
- Wide berth requested
- Keep well clear — or, when a distance is given ("TWO MILE BERTH REQUESTED"), at least that far away.
- 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 · cable & pipeline work
29 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.
- Cable operations 26 sep until further notice by cableship pierre de fermat in 45-36.00N 015-14.00W2024-09-25
- Cable operations 10 jan until further notice by cableship rene descartes along trackline joining 42-10.00N…2024-01-07
- Cable operations 10 jan until further notice by cableship rene descartes along trackline joining 42-10.00N…2024-01-07
- Cable operations 121300Z sep until further notice by cableship layla in area bound by 47-59N 015-48W, 48-01N…2021-09-12
- Cable operations 052200Z sep until further notice by M/V layla in area bound by 47-58N 013-37W, 47-46N…2021-09-03
- Cable operations in progress until further notice by cableship rene descartes along trackline joining…2021-08-19
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
- Pap odas buoy relocated to 48-56.30N 016-22.50WNav aids · 85.2 nm
Worldwide in the collected sources
25 cable & pipeline work listed in force · see all
Record snapshot 2026-09-29 19:09Z; source collection times vary.
Cable ops
Cable laying, pipeline and seismic operations. All current cable & pipeline work →
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.