Surveys

Underwater operations in progress until 200300Z oct by M/V toisa sentinel within 500 meters of 13-29.37S…

Brazil-east Coast · HYDROLANT 1948/10

issued
2010-10-13 21:29Z
status
cancelled 2010-10-20 04:00Z (archive)
self-cancels
2010-10-20 04:00Z
authority
NAVAREA V E 1378/10 13 OCT 10.
position
-13.489, -38.812 · r 0.3 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-EAST COAST.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL
   200300Z OCT BY M/V TOISA SENTINEL
   WITHIN 500 METERS OF 13-29.37S 038-48.72W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 200400Z OCT.

This area · survey operations

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

01
05
10
15
20
22

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

Nothing else in force 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.