Surveys

Survey operations in progress until 052100Z may by M/V guilherme V in area bound by 01-34.98N 049-01.40W,…

Western North Atlantic · Brazil · HYDROLANT 817/23

issued
2023-04-15 12:14Z
status
cancelled 2023-05-05 22:00Z (archive)
self-cancels
2023-05-05 22:00Z
authority
NAVAREA V 122/23 151203Z APR 23.
position
1.215, -49.457
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH ATLANTIC.
BRAZIL.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL
   052100Z MAY BY M/V GUILHERME V
   IN AREA BOUND BY
   01-34.98N 049-01.40W, 01-23.62N 049-23.42W,
   01-18.03N 049-29.55W, 01-12.49N 049-35.23W,
   01-05.33N 049-42.52W, 00-51.14N 049-56.42W,
   00-47.59N 049-53.35W, 00-53.39N 049-44.51W,
   00-57.60N 049-38.47W, 01-08.32N 049-30.65W,
   01-15.86N 049-18.21W, 01-29.51N 048-58.32W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 052200Z MAY 23.

This area · survey operations

14 within 180 nm since 2001 · 0 in the last 12 months · 0 in force now

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05
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15
20
23

Season · when survey operations happen here

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month of issue, all years in the archive

Nearby now · within 120 nm

Worldwide now

73 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.