Cable ops

Seismic survey in progress until 250259Z may by M/V ramform sovereing towing 14 8100 meter long cables in…

Brazil-south Coast · HYDROLANT 857/11

issued: 2011-05-21 17:50Z
status: cancelled 2011-05-25 03:59Z (archive)
self-cancels: 2011-05-25 03:59Z
cancels: HYDROLANT 837/11
authority: NAVAREA V S 440/11 201846Z MAY 11.
sea: South Atlantic Ocean
position: -26.288, -43.380
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTH COAST.
1. SEISMIC SURVEY IN PROGRESS UNTIL 250259Z MAY
     BY M/V RAMFORM SOVEREING TOWING 14
     8100 METER LONG CABLES IN AREA BOUND BY
     25-11S 044-12W, 26-47S 042-07W,
     27-23S 042-36W, 25-47S 044-38W.
     SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 837/11.
3. CANCEL THIS MSG 250359Z MAY.

This area · cable & pipeline work

1782 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 in progress until 240259Z may by M/V ramform sovereing towing 14 8100 meter long cables in…cancels · 2011-05-17
Seismic survey in progress until 240259Z may by M/V ramform sovereing towing 14 8100 meter long cables in…replaced · 2011-05-17

Nearby now · within 120 nm

Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…Exercises · 109.2 nm

Worldwide now

40 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.