Cable ops

Seismic survey in progress until further notice by M/V ramform sterling towing 8100 meter long cable in area…

Eastern South Atlantic · Namibia · HYDROLANT 135/16

issued
2016-01-15 19:53Z
status
cancelled 2016-02-22 08:24Z (archive)
cancels
HYDROLANT 3170/15
authority
NAVAREA VII 16/16 150753Z JAN 16.
position
-23.269, 12.053
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN SOUTH ATLANTIC.
NAMIBIA.
DNC 01.
1. SEISMIC SURVEY IN PROGRESS UNTIL FURTHER NOTICE
   BY M/V RAMFORM STERLING TOWING 8100 METER
   LONG CABLE IN AREA BOUND BY
   22-49.2S 011-46.8E, 22-49.2S 012-39.6E,
   23-24.0S 012-43.8E, 23-44.0S 011-53.4E
   23-44.0S 011-15.6E.
   NINE MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 3170/15.

This area · cable & pipeline work

23 within 180 nm since 2012 · 0 in the last 12 months · 0 in force now

12
15
20
22

Season · when cable & pipeline work 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

35 cable & pipeline work in force · see all

Cable ops

Cable laying, pipeline and seismic operations. All current cable & pipeline work

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.