Cable operations 30 jun until further notice by cableship layla in area bound by 45-07N 021-48W, 45-15N…
North Atlantic Ocean · HYDROLANT 1715/21
What this record establishes
Archived notice · 2021-08-08 16:05Z
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 246/21 291429Z JUN 21.. Issued 2021-06-29 15:30Z. 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 21 jun until further notice by cableship layla in area bound by 45-32N 016-34W, 45-30N…cancelled by this notice
- Cancel HYDROLANT 1715/21 and this msglater cancellation notice
Current notices and reporting history in the North Atlantic Ocean →
- issued
- 2021-06-29 15:30Z
- status
- Archived notice
- authority
- NAVAREA II 246/21 291429Z JUN 21.
- NAVAREA
- NAVAREA II · named as the source of this relay
- sea
- North Atlantic Ocean
- position
- 45.086, -21.394
- 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 30 JUN UNTIL FURTHER NOTICE BY CABLESHIP LAYLA IN AREA BOUND BY 45-07N 021-48W, 45-15N 020-59W, 45-04N 020-57W, 44-55N 021-50W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 1633/21.
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.
- 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
10 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.
- Cable operations 010500Z to 122359Z jun by M/V rebecca along trackline joining 48-03N 020-31W, 47-59N…2021-05-31
- Cable operations 192300Z jul until further notice by M/V layla in area bound by 45-29N 022-25W, 45-39N…2020-07-19
- Cable operations 080600Z jul until further notice by cableship rene descartes along trackline joining 46-22N…2011-07-07
- Cable operations in progress until further notice by cableship rene descartes along trackline joining 46-58N…2010-10-22
- Cable operations 010200Z jun until further notice by cableship rene descartes along trackline between 45-27N…2007-05-30
- Underwater operations in progress until further notice by cableship ile de sein along trackline between…2002-08-04
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
- Missile firing from 00H00 to 11H00 UTC daily from 04 to 21 oct 2026Missiles · 31.4 nm
Worldwide in the collected sources
24 cable & pipeline work listed in force · see all
Record snapshot 2026-10-02 09:03Z; 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.