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Cancel HYDROLANT 479/21 and this msg, operations completed

Gulf of Guinea · Nigeria · HYDROLANT 517/21

issued: 2021-02-22 20:58Z
status: cancelled 2021-02-22 20:58Z (archive)
cancels: HYDROLANT 479/21
authority: NAVAREA II 81/21 222026Z FEB 21.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

GULF OF GUINEA.
NIGERIA.
DNC 01.
CANCEL HYDROLANT 479/21 AND THIS MSG, OPERATIONS
COMPLETED.

Timeline

Cable operations in progress until further notice by cableship leon thevenin in 06-24.4N 003-28.6Ecancels · 2021-02-19
Cable operations in progress until further notice by cableship leon thevenin in 06-24.4N 003-28.6Ereplaced · 2021-02-19

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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.