Surveys

Survey operations in progress until further notice by M/V ramform sovereign towing 12 4000 meter long cables…

Eastern South Atlantic · HYDROLANT 3023/18

issued
2018-09-25 11:54Z
status
cancelled 2018-12-19 09:56Z (archive)
cancels
HYDROLANT 2006/18
authority
NAVAREA VII 329/18 250644Z SEP 18.
position
-7.833, 12.080
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER
   NOTICE BY M/V RAMFORM SOVEREIGN TOWING 12
   4000 METER LONG CABLES IN AREA BOUND BY
   07-58.16S 012-13.96E, 07-59.47S 012-07.86E,
   07-57.73S 012-03.95E, 07-50.24S 012-02.35E,
   07-50.21S 011-58.23E, 07-47.89S 011-54.76E,
   07-42.47S 011-53.60E, 07-42.55S 012-04.77E,
   07-47.94S 012-11.76E.
   SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 2006/18.

This area · survey operations

70 within 180 nm since 2003 · 1 in the last 12 months · 1 in force now

03
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

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.