Cable operations in progress until 08 oct by cableship ile de sein along trackline joining 09-33.29N…
North Atlantic Ocean · HYDROLANT 1576/11
What this record establishes
Archived notice · 2011-10-09 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 331/11 271130Z SEP 11.. Issued 2011-09-27 12:41Z. 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 the reported line or operation extent; it is not a vessel track. Check the original wording for limits and qualifications.
Related notices and cancellation links
Current notices and reporting history in the North Atlantic Ocean →
- issued
- 2011-09-27 12:41Z
- status
- Archived notice
- authority
- NAVAREA II 331/11 271130Z SEP 11.
- NAVAREA
- NAVAREA II · named as the source of this relay
- sea
- North Atlantic Ocean
- position
- 8.171, -14.721
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH ATLANTIC. SIERRA LEONE. 1. CABLE OPERATIONS IN PROGRESS UNTIL 08 OCT BY CABLESHIP ILE DE SEIN ALONG TRACKLINE JOINING 09-33.29N 013-51.15W, 09-31.47N 013-55.04W, 09-23.58N 014-02.43W, 08-59.47N 014-17.77W, 08-38.70N 014-33.14W, 08-26.46N 014-44.50W 07-17.99N 015-19.56W, 06-56.18N 014-38.75W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 1441/11. 3. CANCEL THIS MSG 09 OCT.
Reading this warning
- Cable operations
- A ship is laying, burying or repairing a submarine cable, usually along a stated route.
- Track line joining
- Introduces a route through a series of positions — a cable route, a tow's track or a survey line.
- 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.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · cable & pipeline work
11 within 180 nm since 2010 · 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.
- Seismic survey 010001Z dec to 152359Z feb 15 by M/V polarcus alima towing ten 7500 meter long cables in area…2014-11-29
- Seismic survey in progress until 161200Z sep by M/V polarcus alima towing 12 8100 meter long cables in area…2014-09-13
- Seismic survey 260001Z aug to 122359Z sep by M/V polarcus alima towing 12 8100 meter long cables in area…2014-08-25
- Seismic survey in progress until 31 jan 12 by M/V oceanic endeavour towing 12 9500 meter long cables in area…2011-11-28
- Cable operations in progress until 25 oct by cableship ile de sein along trackline joining 08-27.38N…2011-10-10
- Seismic survey in progress until further notice by M/V geo caribbean towing 12 five mile long cables in area…2011-09-27
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
24 cable & pipeline work listed in force · see all
Record snapshot 2026-10-02 04:35Z; 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.