Surveys

Survey operations in progress until 29 aug by M/V subsea viking in area bound by 24-45.13S 042-38.90W,…

Western South Atlantic · Brazil-south Coast · HYDROLANT 2481/19

issued: 2019-08-15 08:31Z
status: cancelled 2019-08-29 00:21Z (archive)
cancels: HYDROLANT 2397/19
authority: NAVAREA V COASTAL S 816/19 150237Z AUG 19.
sea: South Atlantic Ocean
position: -24.599, -42.521
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 29 AUG
   BY M/V SUBSEA VIKING IN AREA BOUND BY
   24-45.13S 042-38.90W, 24-35.72S 042-43.88W,
   24-26.75S 042-23.70W, 24-36.22S 042-18.68W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 2397/19.
3. CANCEL THIS MSG 30 AUG 19.

This area · survey operations

599 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 06 thru 15 aug by M/V subsea viking in area bound by 24-45.13S 042-38.90W,…cancels · 2019-08-06
Survey operations in progress 06 thru 15 aug by M/V subsea viking in area bound by 24-45.13S 042-38.90W,…replaced · 2019-08-06
Survey operations 29 aug thru 05 sep by M/V subsea viking in area bound by 24-45.13S 042-38.90W, 24-35.72S…cancelled by · 2019-08-29

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 · 3.1 nm
Hazardous operations 0800Z to 2100Z daily 18 thru 20 aug in area within ten miles of 25-06.00S 041-13.00WExercises · 77.2 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.