Surveys

Survey operations in progress until 30 apr by M/V ramform atlas towing 12 seven mile long cables in area…

Gulf of Guinea · Ghana · HYDROLANT 1091/18

issued: 2018-04-03 04:20Z
status: cancelled 2018-04-23 04:21Z (archive)
cancels: HYDROLANT 382/18
authority: NAVAREA II 153/18 030349Z APR 18.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

GULF OF GUINEA.
GHANA.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 30 APR
   BY M/V RAMFORM ATLAS TOWING 12 SEVEN MILE LONG
   CABLES IN AREA BETWEEN
   04-02N 03-34N AND 003-10W 002-20W.
   EIGHT MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 382/18.
3. CANCEL THIS MSG 01 MAY 18.

Timeline

Survey operations in progress until 30 apr by M/V ramform atlas towing 12 seven mile long cables in area…cancels · 2018-02-02
Survey operations in progress until 30 apr by M/V ramform atlas towing 12 seven mile long cables in area…replaced · 2018-02-02
Cancel HYDROLANT 1091/18 and this msg, operations completedcancelled by · 2018-04-23

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Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →

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.