Cable ops

Seismic survey by M/V bgp challenger towing 12000 meter long cables: a. 20 dec along trackline between…

South Atlantic Ocean · HYDROLANT 3098/14

What this record establishes

Archived notice · 2014-12-23 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 VI 362/14 200027Z DEC 14.. Issued 2014-12-20 00:48Z. 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 the reported line or operation extent; it is not a vessel track. Check the original wording for limits and qualifications.

Current notices and reporting history in the South Atlantic Ocean →

issued: 2014-12-20 00:48Z
status: Archived notice
authority: NAVAREA VI 362/14 200027Z DEC 14.
NAVAREA: NAVAREA VI · named as the source of this relay
sea: South Atlantic Ocean
position: -37.818, -48.144
vessel: M/V BGP CHALLENGER · 82 messages
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
URUGUAY.
DNC 01, DNC 07.
1. SEISMIC SURVEY BY M/V BGP CHALLENGER TOWING 12000 METER
   LONG CABLES:
   A. 20 DEC ALONG TRACKLINE BETWEEN
      37-50.38S 047-32.57W AND 37-04.73S 048-11.30W.
   B. 20 AND 21 DEC ALONG TRACKLINE BETWEEN
      37-04.20S 048-24.17W AND 38-03.50S 047-42.50W.
   C. 22 DEC ALONG TRACKLINE BETWEEN
      38-39.77S 047-58.88W AND 38-09.17S 048-59.25W.
   TEN MILE BERTH REQUESTED.
2. CANCEL THIS MSG 23 DEC 14.

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.
Seismic survey: A survey that maps the rock beneath the seabed with sound pulses from air guns, recorded on streamers kilometres long.
Towed array / streamer: Equipment towed a long way behind a vessel — sonar, a hydrophone cable, a sampling sled — invisible at the surface.
Tow / towing: A vessel towing another vessel, a barge or a structure — slow, hard to manoeuvre, and with a long line between.
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.
CANCEL THIS MSG: The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

Collected reports in this area · cable & pipeline work

34 within 180 nm since 2004 · 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.

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 03:06Z; 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.