Surveys

Survey operations in progress until 03 aug by M/V bgp pionner in area bound by 27-46.00S 044-04.83W,…

Western South Atlantic · Brazil-south Coast · HYDROLANT 1954/21

issued: 2021-07-27 01:15Z
status: cancelled 2021-08-03 00:16Z (archive)
cancels: HYDROLANT 1884/21
authority: NAVAREA V 337/21 270034Z JUL 21.
position: -29.121, -46.621
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 AUG
   BY M/V BGP PIONNER IN AREA BOUND BY
   27-46.00S 044-04.83W, 27-03.43S 045-47.97W,
   27-06.77S 046-02.95W, 27-45.98S 046-42.55W,
   28-25.32S 047-25.50W, 28-57.27S 048-06.47W,
   29-22.68S 048-06.55W, 29-57.34S 048-27.66W,
   30-25.69S 048-55.23W, 31-27.87S 047-30.23W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 1884/21.
2. CANCEL THIS MSG 04 AUG 21.

This area · survey operations

107 within 180 nm since 2000 · 2 in the last 12 months · 2 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Survey operations 20 thru 27 jul by M/V bgp pionner in area bound by 27-46.00S 044-04.83W, 27-03.43S…cancels · 2021-07-19
Survey operations 20 thru 27 jul by M/V bgp pionner in area bound by 27-46.00S 044-04.83W, 27-03.43S…replaced · 2021-07-19
Survey operations in progress until 10 aug by M/V bgp pionner in area bound by 27-46.00S 044-04.83W,…cancelled by · 2021-08-03

Nearby now · within 120 nm

Survey operations 10 thru 17 aug by M/V ramform titan towing 12 9000 meter long cables in area bound by…Surveys · 11.7 nm
Scientific bouy, yellow, fl y 20 sec established in 27-24.38S 047-15.92WSurveys · 108.4 nm

Worldwide now

75 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.