Surveys

Survey operations in progress until 25 mar by M/V oceanic champion towing 12 7408 meter long cables in area…

Western South Atlantic · Brazil-southeast Coast · HYDROLANT 911/17

issued
2017-03-21 02:38Z
status
cancelled 2017-03-26 00:01Z (archive)
cancels
HYDROLANT 870/17
authority
NAVAREA V COASTAL 248/17 201943Z MAR 17.
sea
South Atlantic Ocean
position
-25.270, -42.051
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL-SOUTHEAST COAST.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 25 MAR
   BY M/V OCEANIC CHAMPION
   TOWING 12 7408 METER LONG CABLES
   IN AREA BOUND BY
   24-46.55S 042-11.03W, 25-42.43S 041-40.10W,
   25-48.51S 041-53.39W, 24-47.01S 042-27.32W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 870/17.
3. CANCEL THIS MSG 26 MAR 17.

This area · survey operations

594 within 180 nm since 2000 · 3 in the last 12 months · 1 in force now

00
05
10
15
20
25
26

Season · when survey operations happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

Timeline

Nearby now · within 120 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.