Surveys
Underwater operations by M/V thalassa: a. 02 aug in 36-15.0N 029-19.9W
North Atlantic · Azores · HYDROLANT 1765/12
- issued
- 2012-08-02 08:13Z
- status
- cancelled 2012-08-04 00:01Z (archive)
- authority
- NAVAREA II 240/12 012139Z AUG 12.
- position
- 34.852, -30.867
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
NORTH ATLANTIC. AZORES. 1. UNDERWATER OPERATIONS BY M/V THALASSA: A. 02 AUG IN 36-15.0N 029-19.9W. B. 03 AUG IN 33-27.2N 032-24.1W. 2. CANCEL THIS MSG 04 AUG 12.
This area · survey operations
17 within 180 nm since 2002 · 0 in the last 12 months · 0 in force now
02
05
10
15
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
- Underwater operations in progress until 24 jul by M/V thalassa with submersible in 37-17N 032-16W2012-07-17
- Survey operations 26 jun thru 27 jul by M/V pourquoi pas with submersible in area bound by 37-17.3N…2011-06-23
Season · when survey operations happen here
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
73 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.