Surveys

Survey operations in progress until 19 aug by M/V oceanic champion towing 12 9260 meter long cables in area…

Western South Atlantic · Brazil-southeast Coast · HYDROLANT 2474/17

issued: 2017-08-12 00:14Z
status: cancelled 2017-08-20 00:01Z (archive)
cancels: HYDROLANT 2380/17
authority: NAVAREA V COASTAL E 636/17 120011Z AUG 17.
sea: South Atlantic Ocean
position: -21.196, -38.899
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 19 AUG BY
   M/V OCEANIC CHAMPION TOWING 12 9260 METER LONG
   CABLES IN AREA BOUND BY
   21-17S 038-23W, 21-18S 039-24W,
   21-06S 039-24W, 21-06S 038-23W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 2380/17.
3. CANCEL THIS MSG 20 AUG 17.

This area · survey operations

597 within 180 nm since 2000 · 24 in the last 12 months · 15 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Survey operations in progress until 12 aug by M/V oceanic champion towing 12 9260 meter long cables in area…cancels · 2017-08-02
Survey operations in progress until 12 aug by M/V oceanic champion towing 12 9260 meter long cables in area…replaced · 2017-08-02
Survey operations 19 thru 26 aug by M/V oceanic champion towing 12 9260 meter long cables in area bound by…cancelled by · 2017-08-18

Nearby now · within 120 nm

Underwater operations 0800Z to 1800Z daily 08 thru 22 aug by M/V marsanne and M/V comando b in 20-23.57S…Surveys · 85.1 nm
Underwater operations 1100Z to 2100Z daily 12 thru 21 aug by M/V comando b and M/V faneromeni in 20-23.67S…Surveys · 85.5 nm
Underwater operations 0800Z to 1800Z daily 11 thru 25 aug by M/V comando b and M/V faneromeni in 20-23.00S…Surveys · 85.5 nm
Underwater operations 1100Z to 2100Z daily 13 thru 22 aug by M/V comando b and M/V am kirti in 20-23.90S…Surveys · 85.5 nm
Underwater operations in progress until 27 aug by M/V navios felix and M/V comando b in 20-22.12S 040-08.38WSurveys · 85.5 nm
Underwater operations 0800Z to 1800Z daily 02 thru 16 aug by M/V comando b and M/V royal topaz in 20-21.62S…Surveys · 85.5 nm
Underwater operations 1100Z to 2100Z daily 15 thru 29 aug by M/V comando b and M/V rosco banyan in 20-23.37S…Surveys · 86.6 nm
Survey operations in progress until 09 jul 27 by M/V bgp dragon towing 250 meter long cable in area bound by…Surveys · 90.2 nm
Foul ground until 06 dec 27 in area bound by 19-53.87S 039-59.68W, 19-54.15S 039-59.27W, 19-53.08S…Wrecks · 99.3 nm
Odas buoy temporarily established until 13 apr 27 in 21-34.20S 040-43.62WNav aids · 104.6 nm
Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05WSurveys · 110.3 nm
Underwater operations 281000Z jul to 192100Z aug by M/V umi polaris in area bound by 21-53.65S 040-49.70W,…Surveys · 112.4 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.