Surveys

Survey operations 18 thru 25 mar by M/V oceanic champion towing 12 7408 meter long cables in area between…

Western South Atlantic · Brazil-southeast Coast · HYDROLANT 870/17

issued: 2017-03-17 17:53Z
status: cancelled 2017-03-21 02:38Z (archive)
cancels: HYDROLANT 798/17
authority: NAVAREA V 72/17 171749Z MAR 17.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL-SOUTHEAST COAST.
DNC 01.
1. SURVEY OPERATIONS 18 THRU 25 MAR
   BY M/V OCEANIC CHAMPION
   TOWING 12 7408 METER LONG CABLES
   IN AREA BETWEEN
   25-35.93S 23-42.50S AND 041-35.40W 039-21.77W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 798/17.
3. CANCEL THIS MSG 26 MAR 17.

Timeline

Survey operations in progress until 18 mar by M/V oceanic champion towing 12 7408 meter long cables in area…cancels · 2017-03-11
Survey operations in progress until 18 mar by M/V oceanic champion towing 12 7408 meter long cables in area…replaced · 2017-03-11
Survey operations in progress until 25 mar by M/V oceanic champion towing 12 7408 meter long cables in area…cancelled by · 2017-03-21

Nearby now · within 120 nm

Nothing else in force within 120 nm.

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.