Surveys

Survey operations 08 thru 15 mar by M/V marpex X in area bound by 07-30.0S 034-28.8W, 07-30.0S 034-24.6W,…

Western South Atlantic · Brazil-northeast Coast · HYDROLANT 811/18

issued
2018-03-07 17:45Z
status
cancelled 2018-03-16 00:01Z (archive)
authority
NAVAREA V COASTAL E 198/18 071656Z MAR 18.
sea
South Atlantic Ocean
position
-7.570, -34.451
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL-NORTHEAST COAST.
DNC 01.
1. SURVEY OPERATIONS 08 THRU 15 MAR BY
   M/V MARPEX X IN AREA BOUND BY
   07-30.0S 034-28.8W, 07-30.0S 034-24.6W,
   07-39.0S 034-26.1W, 07-39.0S 034-28.8W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 16 MAR 18.

This area · survey operations

36 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now

00
05
10
15
20
24

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

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.