Surveys
Underwater operations 09 nov by M/V thalassa within ten miles of 48-20N 008-20W
HYDROLANT 3760/00
- issued
- 2000-11-08 13:40Z
- status
- cancelled 2000-11-09 17:45Z (archive)
- cancels
- HYDROLANT 3749/00
- authority
- NAVAREA II 322/00 081255Z NOV 00; NAVAREA II 323/00 081255Z NOV 00
- position
- 48.333, -8.333 · r 10.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS 09 NOV BY M/V THALASSA WITHIN TEN MILES OF 48-20N 008-20W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 3749/00. 3. CANCEL THIS MSG 10 NOV.
This area · survey operations
508 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
- Survey operations 06 thru 11 jan by M/V belgica in area bound by 48-14.00N 005-05.00W, 47-28.00N 005-10.00W,…2023-01-04
- Survey operations 27 oct thru 02 nov 22 along trackline joining 48-04.62N 009-30.35W, 47-27.00N 008-32.00W,…2022-10-25
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Derelict vessel adrift vicinity 44-35.5N 007-00.3W at 070707Z novcancels · 2000-11-07
- Derelict vessel adrift vicinity 44-35.5N 007-00.3W at 070707Z novreplaced · 2000-11-07
- Loran-c station ejde, rate 9007-MASTER, unreliablecancelled by · 2000-11-09
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
75 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.