Surveys

Survey operations in progress until 30 dec by M/V oceanic champion towing 12 9260 meter long cables in area…

Western South Atlantic · Brazil-southeast Coast · HYDROLANT 4179/17

issued: 2017-12-25 00:16Z
status: cancelled 2017-12-28 03:59Z (archive)
cancels: HYDROLANT 4163/17
authority: NAVAREA V COASTAL E 1038/17 250007Z DEC 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 IN PROGRESS UNTIL 30 DEC BY
   M/V OCEANIC CHAMPION TOWING 12 9260 METER LONG
   CABLES IN AREA BETWEEN
   21-39.0S 21-54.0S AND 038-15.6W 039-44.4W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 4163/17.
3. CANCEL THIS MSG 31 DEC 17.

Timeline

Survey operations in progress until 27 dec by M/V oceanic champion towing 12 9260 meter long cables in area…cancels · 2017-12-23
Survey operations in progress until 27 dec by M/V oceanic champion towing 12 9260 meter long cables in area…replaced · 2017-12-23
Survey operations 29 dec thru 05 jan 18 by M/V oceanic champion towing 12 10000 meter long cables in area…cancelled by · 2017-12-28

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

84 survey operations in force · see all

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.