Cable ops

Seismic survey in progress until 270259Z mar by M/V western patriot towing eight four mile long cables and…

Brazil-south Coast · HYDROLANT 475/10

issued: 2010-03-19 02:58Z
status: cancelled 2010-03-27 03:59Z (archive)
self-cancels: 2010-03-27 03:59Z
cancels: HYDROLANT 437/10
authority: NAVAREA V S 497/10 190045Z MAR 10.
sea: South Atlantic Ocean
position: -26.088, -46.267
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTH COAST.
1. SEISMIC SURVEY IN PROGRESS UNTIL 270259Z MAR BY
   M/V WESTERN PATRIOT TOWING EIGHT FOUR MILE
   LONG CABLES AND M/V GECO DIAMOND TOWING
   250 METER LONG CABLE IN AREA BOUND BY
   26-06.4S 045-54.6W, 26-20.4S 045-54.6W,
   26-20.5S 046-20.5W, 26-06.0S 046-20.4W,
   26-00.7S 047-17.2W, 25-55.7S 046-10.7W,
   25-51.1S 046-04.6W, 25-51.2S 045-54.6W.
   SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 437/10.
3. CANCEL THIS MSG 270359Z MAR.

This area · cable & pipeline work

1057 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

Season · when cable & pipeline work happen here

month of issue, all years in the archive

Timeline

Seismic survey 130300Z to 200259Z mar by M/V western patriot towing eight four mile long cables and M/V geco…cancels · 2010-03-13
Seismic survey 130300Z to 200259Z mar by M/V western patriot towing eight four mile long cables and M/V geco…replaced · 2010-03-13

Nearby now · within 120 nm

Scientific bouy, yellow, fl y 20 sec established in 27-24.38S 047-15.92WSurveys · 95.6 nm
Laje da conceicao light 24-14.18S 046-41.46W unlit until 24 sepNav aids · 113.5 nm

Worldwide now

41 cable & pipeline work in force · see all

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.