Surveys
Underwater operations by M/V thalassa: a. 11 apr vicinity of trackline joining 44-00N 006-53W, 44-00N…
HYDROLANT 592/07
- issued
- 2007-04-10 17:05Z
- status
- cancelled 2007-04-13 00:00Z (archive)
- cancels
- HYDROLANT 574/07
- authority
- NAVAREA II 143/07 101634Z APR 07.
- sea
- Bay of Biscay
- position
- 44.000, -6.425
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS BY M/V THALASSA:
A. 11 APR VICINITY OF TRACKLINE JOINING
44-00N 006-53W, 44-00N 006-42W,
44-00N 006-31W.
B. 12 APR VICINITY OF TRACKLINE JOINING
44-00N 006-20W, 44-00N 006-09W,
44-00N 005-58W.
WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 574/07.
3. CANCEL THIS MSG 13 APR.
This area · survey operations
71 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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- Survey operations 19 apr thru 28 may by M/V thalassa along trackline joining 47-50.31N 004-08.86W, 43-22.95N…2024-04-17
- Survey operations in progress until 060001Z oct by M/V pourquoi pas in area bound by 47-17.05N 009-17.05W,…2023-09-25
- Survey operations in progress until 112200Z oct by M/V emma bardan in area bound by 48-00.00N 005-50.00W,…2023-08-16
- Survey operations 30 oct thru 26 nov by M/V meteor in area bound by 48-09.00N 005-55.00W, 44-03.00N…2022-10-28
- Survey operations 02 thru 29 nov by M/V cotes de la manche in area bound by 43-26.00N 008-02.00W, 48-27.00N…2022-10-28
- Scientific moorings established until 13 sep in: a. 46-06.57N 006-47.05W2022-09-01
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
86 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.