Surveys
Underwater operations in progress until 050001Z sep by M/V thalassa in area bound by 47-40N 007-40W, 47-40N…
Celtic Sea · HYDROLANT 2051/21
- issued
- 2021-08-06 10:58Z
- status
- cancelled 2021-09-05 01:00Z (archive)
- self-cancels
- 2021-09-05 01:00Z
- authority
- NAVAREA II 295/21 061040Z AUG 21.
- sea
- Celtic Sea
- position
- 47.500, -7.500
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
CELTIC SEA. DNC 08. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 050001Z SEP BY M/V THALASSA IN AREA BOUND BY 47-40N 007-40W, 47-40N 007-20W, 47-20N 007-20W, 47-20N 007-40W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 050100Z SEP 21.
This area · survey operations
411 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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- 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 072201Z to 112159Z jun by vessel nanoplon in area within one mile of 48-20.67N 008-22.08W2023-06-06
- Survey operations 19 thru 25 apr in area bound by 48-00.00N 009-29.00W, 48-00.00N 007-56.00W, 46-54.00N…2023-04-17
- Scientific mooring established in 47-04.22N 003-19.86W until 27 mar2023-03-21
- Oceanographic equipment temporarily established 20 thru 28 mar by M/V reborn in 47-04.22N 003-19.86W2023-03-18
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.