Cable ops

Seismic survey in progress until 250259Z may by M/V western neptune towing 12 3.5 mile long cables in area…

Brazil-southeast Coast · HYDROLANT 861/11

issued
2011-05-22 09:42Z
status
cancelled 2011-05-25 03:59Z (archive)
self-cancels
2011-05-25 03:59Z
cancels
HYDROLANT 825/11HYDROLANT 835/11
authority
NAVAREA V 281/11 22 MAY 11 - NAVAREA II 154/11 220815Z MAY 11.
sea
South Atlantic Ocean
position
-22.462, -40.487
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTHEAST COAST.
1. SEISMIC SURVEY IN PROGRESS UNTIL 250259Z MAY BY
   M/V WESTERN NEPTUNE TOWING 12 3.5 MILE LONG
   CABLES IN AREA BOUND BY
   22-07.8S 040-35.0W, 22-23.5S 040-07.0W,
   22-48.0S 040-24.0W, 22-31.5S 040-51.2W.
   SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 825/11(57), OPERATIONS COMPLETED.
3. CANCEL HYDROLANT 835/11.
4. CANCEL THIS MSG 250359Z MAY.

This area · cable & pipeline work

1860 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now

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Season · when cable & pipeline work happen here

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month of issue, all years in the archive

Timeline

Nearby now · within 120 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.