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Cancel HYDROLANT 3354/16 and this msg, survey completed

Gulf of Guinea · Ghana · HYDROLANT 242/17

issued: 2017-01-23 16:44Z
status: cancelled 2017-01-23 16:44Z (archive)
cancels: HYDROLANT 3354/16
authority: NAVAREA II 26/17 231616Z JAN 17.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

GULF OF GUINEA.
GHANA.
DNC 01.
CANCEL HYDROLANT 3354/16 AND THIS MSG, SURVEY COMPLETED.

Timeline

Seismic survey in progress until further notice by M/V geo caspian in area bound by 05-16.83N 001-06.11E,…cancels · 2016-12-12
Seismic survey in progress until further notice by M/V geo caspian in area bound by 05-16.83N 001-06.11E,…replaced · 2016-12-12

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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.