Surveys

Survey operations in progress until 04 may by M/V bgp pioneer in area bound by 27-07.33S 046-02.62W,…

Western South Atlantic · Brazil-south Coast · HYDROLANT 1157/21

issued: 2021-04-27 04:53Z
status: cancelled 2021-05-04 00:45Z (archive)
authority: NAVAREA V 183/21 270055Z APR 21.
sea: South Atlantic Ocean
position: -28.349, -45.796
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 04 MAY
   BY M/V BGP PIONEER IN AREA BOUND BY
   27-07.33S 046-02.62W, 27-46.21S 046-42.62W,
   27-48.53S 047-22.17W, 28-25.28S 047-25.37W,
   29-58.03S 045-50.75W, 28-04.45S 044-07.60W,
   27-46.00S 044-05.00W, 27-03.50S 045-48.00W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 05 MAY 21.

This area · survey operations

191 within 180 nm since 1999 · 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 in progress until 08 may by M/V bgp pioneer in area bound by 27-07.33S 046-02.61W,…cancelled by · 2021-05-04

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 · 71.7 nm
Scientific bouy, yellow, fl y 20 sec established in 27-24.38S 047-15.92WSurveys · 96.3 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.