Surveys

Survey operations in progress until 16 jan by M/V subsea viking with submersible in area bound by 24-31.68S…

Western South Atlantic · Brazil-south Coast · HYDROLANT 91/19

issued: 2019-01-11 01:28Z
status: cancelled 2019-01-17 00:01Z (archive)
cancels: HYDROLANT 45/19
authority: NAVAREA V COASTAL S 23/19 110026Z JAN 19.
sea: South Atlantic Ocean
position: -24.538, -42.557
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 16 JAN
   BY M/V SUBSEA VIKING WITH SUBMERSIBLE
   IN AREA BOUND BY
   24-31.68S 042-45.93W, 24-41.60S 042-40.75W,
   24-32.75S 042-20.93W, 24-22.98S 042-26.00W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 45/19.
3. CANCEL THIS MSG 17 JAN 19.

This area · survey operations

596 within 180 nm since 2000 · 5 in the last 12 months · 3 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Survey operations in progress until 11 jan by M/V subsea viking with submersible in area bound by 24-31.68S…cancels · 2019-01-04
Survey operations in progress until 11 jan by M/V subsea viking with submersible in area bound by 24-31.68S…replaced · 2019-01-04
Survey operations in progress until 23 jan by M/V subsea viking with submersible in area bound by 24-32.25S…cancelled by · 2019-01-16

Nearby now · within 120 nm

Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…Exercises · 7.3 nm
Hazardous operations 0800Z to 2100Z daily 18 thru 20 aug in area within ten miles of 25-06.00S 041-13.00WExercises · 80.5 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.