Cable operations 19 jun until further notice by cableship leon thevenin in area bound by 33-42.70S…
South Atlantic Ocean · HYDROLANT 1549/22
What this record establishes
Archived notice · 2022-07-04 12:49Z
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 VII 279/22 170937Z JUN 22.. Issued 2022-06-17 10:42Z. 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
- South 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
- Cancel HYDROLANT 1549/22 and this msglater cancellation notice
Current notices and reporting history in the South Atlantic Ocean →
- issued
- 2022-06-17 10:42Z
- status
- Archived notice
- authority
- NAVAREA VII 279/22 170937Z JUN 22.
- NAVAREA
- NAVAREA VII · named as the source of this relay
- sea
- South Atlantic Ocean
- position
- -33.879, 17.839
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN SOUTH ATLANTIC. SOUTH AFRICA. DNC 01. CABLE OPERATIONS 19 JUN UNTIL FURTHER NOTICE BY CABLESHIP LEON THEVENIN IN AREA BOUND BY 33-42.70S 018-25.40E, 33-42.70S 017-15.30E, 34-02.80S 017-15.30E, 34-02.80S 018-25.40E. ONE MILE BERTH REQUESTED.
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.
Collected reports in this area · cable & pipeline work
7 within 180 nm since 2013 · 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 24 jul thru 09 aug by cableship ile de sein in area bound by 32-10.70S 013-58.40E,…2022-07-19
- Seismic survey in progress until further notice by M/V atlantic explorer towing 10000 meter long cable in…2016-02-17
- Seismic survey in progress until further notice by M/V atlantic explorer towing 10000 meter long cable in…2016-02-17
- Seismic survey in progress until further notice by M/V ramform valiant and M/V nordic explorer towing 12…2013-04-08
- Seismic survey in progress until further notice by M/V northern explorer towing 10000 meter long cable in…2013-03-25
- Seismic survey in progress until further notice by M/V northern explorer towing 10000 meter long cable in…2013-01-16
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
25 cable & pipeline work listed in force · see all
Record snapshot 2026-09-29 18:16Z; 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.