Surveys

Survey operations in progress 31 jul thru 02 aug by M/V nhisirius in area bound by 01-23.42N 049-24.08W,…

Western North Atlantic · Brazil-north Coast · HYDROLANT 2338/19

issued
2019-07-30 21:26Z
status
cancelled 2019-08-03 00:01Z (archive)
authority
NAVAREA V COASTAL I 756/19 302104Z JUL 19.
position
1.446, -49.180
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 31 JUL THRU 02 AUG
   BY M/V NHISIRIUS IN AREA BOUND BY
   01-23.42N 049-24.08W, 01-18.33N 049-20.73W,
   01-30.42N 048-57.03W, 01-34.92N 049-01.25W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 03 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

J
F
M
A
M
J
J
A
S
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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.