Cable ops

Seismic survey in progress until 290259Z jul by M/V western monarch towing three mile long cables in area…

Brazil-southeast Coast · HYDROLANT 1164/11

issued: 2011-07-22 00:37Z
status: cancelled 2011-07-29 03:59Z (archive)
self-cancels: 2011-07-29 03:59Z
cancels: HYDROLANT 1146/11
authority: NAVAREA V 390/11 220017Z JUL 11.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTHEAST COAST.
1. SEISMIC SURVEY IN PROGRESS UNTIL
   290259Z JUL BY M/V WESTERN MONARCH
   TOWING THREE MILE LONG CABLES
   IN AREA BETWEEN
   21-54S 22-21S AND 040-12W 039-30W.
   SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 1146/11.
3. CANCEL THIS MSG 290359Z JUL.

Timeline

Seismic survey in progress until 220259Z jul by M/V western monarch towing three mile long cables in area…cancels · 2011-07-15
Seismic survey in progress until 220259Z jul by M/V western monarch towing three mile long cables in area…replaced · 2011-07-15

Nearby now · within 120 nm

Nothing else in force 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.