Surveys
Underwater operations by M/V thalassa: a. in progress vicinity of trackline joining 46-32N 005-00W, 47-31N…
HYDROLANT 1220/02
- issued
- 2002-06-01 10:50Z
- status
- cancelled 2002-06-04 00:00Z (archive)
- authority
- NAVAREA II 203/02 010436Z JUN 02
- sea
- Bay of Biscay
- position
- 47.218, -4.334
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS BY M/V THALASSA:
A. IN PROGRESS VICINITY OF TRACKLINE JOINING
46-32N 005-00W, 47-31N 003-14W,
47-05N 004-20W, 47-36N 003-30W.
B. 02 AND 03 JUN VICINITY OF TRACKLINE JOINING
46-42N 005-10W, 47-43N 003-50W,
46-49N 005-24W, 47-45N 004-12W.
WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 04 JUN.
This area · survey operations
419 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 09 thru 13 oct by M/V minibex in area bound by 45-44.78N 001-55.27W, 45-53.86N 002-02.56W,…2023-10-06
- Underwater operations 02 thru 11 oct by M/V atalante in area bound by 47-26.59N 006-34.33W, 46-52.40N…2023-09-29
- 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 072201Z to 112159Z jun by vessel nanoplon in area within one mile of 48-20.67N 008-22.08W2023-06-06
Season · when survey operations happen here
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month of issue, all years in the archive
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.