Surveys

Underwater operations in progress until 16 sep in area between 05-06.38N 05-06.17N and 003-57.25W 003-58.06W

Gulf of Guinea · HYDROLANT 1431/10

issued: 2010-07-26 20:16Z
status: cancelled 2010-07-28 11:42Z (archive)
authority: NAVAREA II 289/10 261835Z JUL 10.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

GULF OF GUINEA.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL
   16 SEP IN AREA BETWEEN
   05-06.38N 05-06.17N AND 003-57.25W 003-58.06W.
   WIDER BERTH REQUESTED.
2. CANCEL THIS MSG 17 SEP.

Timeline

Cancel HYDROLANT 1431/10cancelled by · 2010-07-28

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

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Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →

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.