Surveys

Survey operations in progress until 03 jun by M/V oceanic champion towing 12 9260 meter long cables in area…

Western South Atlantic · Brazil-south Coast · HYDROLANT 1661/17

issued: 2017-05-27 01:40Z
status: cancelled 2017-06-04 00:01Z (archive)
cancels: HYDROLANT 1588/17
authority: NAVAREA V 147/17 270038Z MAY 17.
sea: South Atlantic Ocean
position: -25.172, -39.449
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL-SOUTH COAST.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 03 JUN
   BY M/V OCEANIC CHAMPION TOWING 12 9260 METER
   LONG CABLES IN AREA BOUND BY
   23-01.34S 037-15.24W, 24-37.08S 036-24.50W,
   27-18.01S 041-46.24W, 25-49.40S 042-31.10W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 1588/17.
3. CANCEL THIS MSG 04 JUN 17.

This area · survey operations

484 within 180 nm since 2000 · 7 in the last 12 months · 5 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Survey operations in progress until 27 may by M/V oceanic champion towing 12 9260 meter long cables in area…cancels · 2017-05-20
Survey operations in progress until 27 may by M/V oceanic champion towing 12 9260 meter long cables in area…replaced · 2017-05-20

Nearby now · within 120 nm

Hazardous operations 0800Z to 2100Z daily 18 thru 20 aug in area within ten miles of 25-06.00S 041-13.00WExercises · 96.2 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.