Cable ops

Seismic survey in progress until 28 feb by M/V polarcus alima towing ten 7500 meter long cables in area…

Eastern North Atlantic · Guinea · HYDROLANT 351/15

issued: 2015-02-11 16:58Z
status: cancelled 2015-03-01 00:01Z (archive)
cancels: HYDROLANT 335/15
authority: NAVAREA II 41/15 111632Z FEB 15.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH ATLANTIC.
GUINEA.
DNC 01.
1. SEISMIC SURVEY IN PROGRESS UNTIL 28 FEB
   BY M/V POLARCUS ALIMA TOWING TEN 7500 METER LONG CABLES
   IN AREA BETWEEN
   10-58N 11-45N AND 017-35W 017-18W.
   SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 335/15.
3. CANCEL THIS MSG 01 MAR 15.

Timeline

Seismic survey in progress until 31 mar by M/V polarcus alima in area bound by 11-35N 017-30W, 11-35N…cancels · 2015-02-10
Seismic survey in progress until 31 mar by M/V polarcus alima in area bound by 11-35N 017-30W, 11-35N…replaced · 2015-02-10

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

38 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.