Surveys

Survey operations in progress until further notice by M/V ramform sovereign towing 3600 meter long cables in…

Eastern South Atlantic · HYDROLANT 1496/19

issued
2019-05-16 12:27Z
status
cancelled 2019-05-19 19:48Z (archive)
cancels
HYDROLANT 1461/19
authority
NAVAREA VII 185/19 161101Z MAY 19.
position
-6.357, 11.065
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
   3600 METER LONG CABLES IN AREA BOUND BY
   06-13.0S 010-51.0E, 06-10.5S 011-10.5E,
   06-26.0S 011-17.5E, 06-35.0S 010-58.5E.
   FOUR MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 1461/19.

This area · survey operations

72 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

75 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.