Surveys

Survey operations 08 thru 29 sep by M/V thalassa in area between 20-00N 29-30N and 028-00W and coastline

HYDROLANT 1700/03

issued: 2003-09-07 04:24Z
status: cancelled 2003-09-30 00:00Z (archive)
authority: NAVAREA II 291/03 070330Z SEP 03
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SURVEY OPERATIONS 08 THRU 29 SEP BY M/V THALASSA
   IN AREA BETWEEN 20-00N 29-30N AND 028-00W
   AND COASTLINE. WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 30 SEP.

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.