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Cancel HYDROLANT 1783/11 and this msg, operations completed

Gulf of Guinea · HYDROLANT 2150/11

issued: 2011-12-14 05:09Z
status: cancelled 2011-12-14 05:09Z (archive)
cancels: HYDROLANT 1783/11
authority: NAVAREA II 457/11 140433Z DEC 11.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

GULF OF GUINEA.
CANCEL HYDROLANT 1783/11 AND THIS MSG, OPERATIONS COMPLETED.

Timeline

Seismic survey in progress until further notice by M/V nordic explorer towing six four mile long cables in…cancels · 2011-10-28
Seismic survey in progress until further notice by M/V nordic explorer towing six four mile long cables in…replaced · 2011-10-28

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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.