Other

Cancel HYDROLANT 3155/17 and this msg

Gulf of Guinea · Nigeria · HYDROLANT 1232/18

issued: 2018-04-18 16:14Z
status: cancelled 2018-04-18 16:14Z (archive)
cancels: HYDROLANT 3155/17
authority: NAVAREA II 172/18 181611Z APR 18.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

GULF OF GUINEA.
NIGERIA.
DNC 01.
CANCEL HYDROLANT 3155/17 AND THIS MSG.

Timeline

Underwater operations in progress until further notice in 03-03.09N 006-41.87Ecancels · 2017-10-04
Underwater operations in progress until further notice in 03-03.09N 006-41.87Ereplaced · 2017-10-04

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

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Other

Everything the classifier did not place elsewhere. All current other warnings →

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.