Surveys

Survey operations 20 oct thru 06 dec by M/V thalassa vicinity french coast

HYDROLANT 1916/05

issued: 2005-10-19 16:53Z
status: cancelled 2005-12-07 00:00Z (archive)
cancels: HYDROLANT 1852/05
authority: NAVAREA II 324/05 191635Z OCT 05; NAVAREA II 325/05 191653Z OCT 05.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SURVEY OPERATIONS 20 OCT THRU 06 DEC
   BY M/V THALASSA VICINITY FRENCH COAST.
2. CANCEL HYDROLANT 1852/05(51).
3. CANCEL THIS MSG 07 DEC.

Timeline

Navigation prohibited until further notice in area bound by 33-33.4N 007-45W, 33-36.5N 007-45W, 33-46.1N…cancels · 2005-10-10
Navigation prohibited until further notice in area bound by 33-33.4N 007-45W, 33-36.5N 007-45W, 33-46.1N…replaced · 2005-10-10
HYDROLANT messages in force 071600Z dec 2005cancelled by · 2005-12-07

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

73 survey operations in force · see all

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.