Cable ops

Seismic survey in progress until further notice by M/V ramform challenger towing eight 7000 meter long…

Eastern North Atlantic · Guinea-bissau · HYDROLANT 1879/10

issued: 2010-10-03 06:34Z
status: cancelled 2010-12-13 07:02Z (archive)
cancels: HYDROLANT 1506/10
authority: NAVAREA II 375/10 030531Z OCT 10.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH ATLANTIC.
GUINEA-BISSAU.
1. SEISMIC SURVEY IN PROGRESS UNTIL FURTHER NOTICE
   BY M/V RAMFORM CHALLENGER TOWING EIGHT
   7000 METER LONG CABLES IN AREA BETWEEN
   11-07N 11-40N AND 016-58W 017-27W.
   SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 1506/10.

Timeline

Seismic survey in progress until further notice by M/V ramform challenger towing ten 6000 meter long cables…cancels · 2010-08-07
Seismic survey in progress until further notice by M/V ramform challenger towing ten 6000 meter long cables…replaced · 2010-08-07
Cancel HYDROLANT 1879/10 and this msg, survey completedcancelled by · 2010-12-13

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

40 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.