Surveys

Survey operations 26 may thru 01 jun by M/V bgp pioneer in area bound by 27-07.33S 046-02.62W, 27-03.50S…

Western South Atlantic · Brazil-south Coast · HYDROLANT 1398/21

issued: 2021-05-25 00:55Z
status: cancelled 2021-06-02 00:01Z (archive)
cancels: HYDROLANT 1331/21
authority: NAVAREA V 228/21 250034Z MAY 21.
sea: South Atlantic Ocean
position: -28.500, -46.074
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL-SOUTH COAST.
DNC 01.
1. SURVEY OPERATIONS 26 MAY THRU 01 JUN
   BY M/V BGP PIONEER IN AREA BOUND BY
   27-07.33S 046-02.62W, 27-03.50S 045-48.00W,
   28-04.45S 044-07.60W, 28-38.40S 044-25.73W,
   29-59.77S 046-32.63W, 28-53.08S 048-01.45W,
   28-25.28S 047-25.37W, 27-48.53S 047-22.17W,
   27-46.21S 046-42.45W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 1331/21.
3. CANCEL THIS MSG 02 JUN 21.

This area · survey operations

146 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 18 thru 25 may by M/V bgp pioneer in area bound by 27-07.33S 046-02.61W, 27-46.22S…cancels · 2021-05-17
Survey operations 18 thru 25 may by M/V bgp pioneer in area bound by 27-07.33S 046-02.61W, 27-46.22S…replaced · 2021-05-17

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 · 54.7 nm
Scientific bouy, yellow, fl y 20 sec established in 27-24.38S 047-15.92WSurveys · 91.1 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.