Surveys

Geophysical survey in progress until further notice by M/V thales venturer towing 6000 meter long cable…

HYDROLANT 3301/01

issued
2001-12-31 03:04Z
status
cancelled 2002-01-03 04:50Z (archive)
cancels
HYDROLANT 3282/01
authority
NAVAREA VI 356/01 310200Z DEC 01
sea
South Atlantic Ocean
position
-44.981, -56.535
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. GEOPHYSICAL SURVEY IN PROGRESS UNTIL FURTHER NOTICE BY
   M/V THALES VENTURER TOWING 6000 METER LONG CABLE
   VICINITY 44-58-50S 056-32-06W. WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 3282/01(23,24).

This area · survey operations

56 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
O
N
D

month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

86 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.