Cable ops

Seismic survey in progress until 09 mar by M/V ramform challenger towing 12 6000 meter long cables in area…

Gulf of Guinea · Nigeria · HYDROLANT 420/15

issued
2015-02-18 15:19Z
status
cancelled 2015-03-10 00:01Z (archive)
cancels
HYDROLANT 352/15
authority
NAVAREA II 50/15 181454Z FEB 15.
position
3.915, 6.849
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

GULF OF GUINEA.
NIGERIA.
DNC 01.
1. SEISMIC SURVEY IN PROGRESS UNTIL 09 MAR
   BY M/V RAMFORM CHALLENGER TOWING 12 6000 METER LONG CABLES
   IN AREA BOUND BY
   04-00.6N 006-27.2E, 04-00.7N 007-14.8E,
   03-49.3N 007-14.8E, 03-49.1N 006-27.2E.
   SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 352/15.
3. CANCEL THIS MSG 10 MAR 15.

This area · cable & pipeline work

46 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

99
00
05
10
15
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24

Season · when cable & pipeline work happen here

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A
M
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J
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month of issue, all years in the archive

Timeline

Nearby now · 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.