Surveys

Survey operations in progress until 10 aug by M/V nhisirius in area bound by 01-21.82N 049-21.70W, 01-21.82N…

Western North Atlantic · Brazil-north Coast · HYDROLANT 2366/19

issued
2019-08-02 03:38Z
status
cancelled 2019-08-11 00:01Z (archive)
authority
NAVAREA V COASTAL I 768/19 020246Z AUG 19.
position
1.355, -49.353
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH ATLANTIC.
BRAZIL-NORTH COAST.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 10 AUG
   BY M/V NHISIRIUS IN AREA BOUND BY
   01-21.82N 049-21.70W, 01-21.82N 049-20.70W,
   01-20.82N 049-21.70W, 01-20.82N 049-20.70W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 11 AUG 19.

This area · survey operations

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

01
05
10
15
20
23

Season · when survey operations happen here

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F
M
A
M
J
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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.