Surveys
Underwater operations by M/V thalassa: a. 04 and 05 aug in 33-27N 032-24W
North Atlantic · Azores · NAVAREA IV 421/12
- issued
- 2012-08-03 17:04Z
- status
- cancelled 2012-08-04 18:36Z (archive)
- self-cancels
- 2012-08-07 00:01Z
- authority
- NAVAREA II 244/12 031641Z AUG 12.
- position
- 35.517, -35.375
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
NORTH ATLANTIC. AZORES. 1. UNDERWATER OPERATIONS BY M/V THALASSA: A. 04 AND 05 AUG IN 33-27N 032-24W. B. 06 AUG IN 37-35N 038-21W. 2. CANCEL THIS MSG 070001Z AUG 12.
This area · survey operations
18 within 180 nm since 2006 · 0 in the last 12 months · 0 in force now
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10
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16
- Underwater operations 10 thru 23 jun by M/V thalassa within four miles of: a. 37-04.85N 031-55.18W2016-06-06
- Underwater operations 10 thru 23 jun by M/V thalassa within four miles of: a. 37-04.85N 031-55.18W2016-06-06
- Underwater operations in progress until 192359Z jun by M/V le suroit in: a. 37-04.9N 031-55.2W2014-06-10
- Underwater operations 03 thru 21 aug by M/V pourquoi pas with submersible along trackline joining 37-51N…2013-08-02
- Oceanographic operations 110800Z sep until further notice by M/V nrp almirante gago coutinho with…2012-09-11
- Underwater operations by M/V thalassa: a. 05 aug in 37-36N 038-22W2012-08-04
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Underwater operations by M/V thalassa: a. 05 aug in 37-36N 038-22Wcancelled by · 2012-08-04
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.