Surveys

Survey operations 25 aug thru 01 sep by M/V geowave voyager towing six 250 meter long cables in area between…

Western South Atlantic · Brazil-southeast Coast · HYDROLANT 2703/18

issued: 2018-08-24 00:59Z
status: cancelled 2018-09-02 00:01Z (archive)
cancels: HYDROLANT 2615/18
authority: NAVAREA V COASTAL E 639/18 240013Z AUG 18.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL-SOUTHEAST COAST.
DNC 01.
1. SURVEY OPERATIONS 25 AUG THRU 01 SEP BY
   M/V GEOWAVE VOYAGER TOWING SIX 250
   METER LONG CABLES IN AREA BETWEEN
   21-06S 21-22S AND 040-13W 039-40W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 2615/18.
3. CANCEL THIS MSG 02 SEP 18.

Timeline

Survey operations 17 thru 25 aug by M/V geowave voyager towing six 250 meter long cables in area between…cancels · 2018-08-16
Survey operations 17 thru 25 aug by M/V geowave voyager towing six 250 meter long cables in area between…replaced · 2018-08-16

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Worldwide now

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Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →

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.