Surveys

Survey operations in progress until 31 oct by M/V zn drakkar towing 100 meter long cable in area bound by…

Brazil-southeast Coast · HYDROLANT 2587/16

issued: 2016-10-05 00:51Z
status: cancelled 2016-11-01 00:01Z (archive)
authority: NAVAREA V E 816/16 050026Z OCT 16.
sea: South Atlantic Ocean
position: -20.349, -40.179
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTHEAST COAST.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 31 OCT
   BY M/V ZN DRAKKAR TOWING 100 METER LONG CABLE
   IN AREA BOUND BY
   20-22.40S 040-12.84W, 20-19.15S 040-12.81W,
   20-19.17S 040-08.79W, 20-22.97S 040-08.82W.
2. CANCEL THIS MSG 01 NOV 16.

This area · survey operations

558 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

Nearby now · within 120 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 · 2.4 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 · 2.5 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 · 2.7 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 · 2.7 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 · 3 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 · 3.1 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 · 3.2 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 · 29.6 nm
Barra de itabapoana light 21-18.80S 040-57.90W unlit until 08 sep 26Nav aids · 72.8 nm
Odas buoy temporarily established until 13 apr 27 in 21-34.20S 040-43.62WNav aids · 79.5 nm
Survey operations in progress until 312200Z aug in area bound by 21-36.17S 041-00.00W, 21-36.05S 040-37.59W,…Surveys · 96.2 nm
Underwater operations 281000Z jul to 192100Z aug by M/V umi polaris in area bound by 21-53.65S 040-49.70W,…Surveys · 99.3 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.