Cable ops

Seismic survey in progress until further notice by M/V ramform challenger towing 12 6000 meter long cables…

Gulf of Guinea · HYDROLANT 378/10

issued: 2010-03-02 06:34Z
status: cancelled 2010-06-09 05:38Z (archive)
cancels: HYDROLANT 147/10
authority: NAVAREA II 78/10 020603Z MAR 10.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

GULF OF GUINEA.
1. SEISMIC SURVEY IN PROGRESS UNTIL FURTHER
   NOTICE BY M/V RAMFORM CHALLENGER TOWING
   12 6000 METER LONG CABLES IN AREA BETWEEN
   04-33.1N 05-05.8N AND 004-18.0E 005-00.0E.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 147/10.

Timeline

Seismic survey in progress until further notice by M/V ramform challenger towing 12 6000 meter long cables…cancels · 2010-01-23
Seismic survey in progress until further notice by M/V ramform challenger towing 12 6000 meter long cables…replaced · 2010-01-23
Cancel HYDROLANT 378/10 and this msg, survey completedcancelled by · 2010-06-09

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.