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Cancel HYDROLANT 556/21 and this msg, operations completed

Gulf of Guinea · Nigeria · HYDROLANT 626/21

issued: 2021-03-04 13:58Z
status: cancelled 2021-03-04 13:58Z (archive)
cancels: HYDROLANT 556/21
authority: NAVAREA II 97/21 041352Z MAR 21.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

GULF OF GUINEA.
NIGERIA.
DNC 01.
CANCEL HYDROLANT 556/21 AND THIS MSG, OPERATIONS
COMPLETED.

Timeline

Cable operations in progress until further notice by cableship leon thevenin along trackline joining…cancels · 2021-02-26
Cable operations in progress until further notice by cableship leon thevenin along trackline joining…replaced · 2021-02-26

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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.