Surveys
Underwater operations 10 thru 23 jun by M/V thalassa within four miles of: a. 37-04.85N 031-55.18W
North Atlantic · NAVAREA IV 438/16
- issued
- 2016-06-06 11:59Z
- status
- cancelled 2016-06-24 00:01Z (archive)
- authority
- THALASSA 060838Z JUN 16.
- position
- 36.759, -33.225
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
NORTH ATLANTIC. 1. UNDERWATER OPERATIONS 10 THRU 23 JUN BY M/V THALASSA WITHIN FOUR MILES OF: A. 37-04.85N 031-55.18W. B. 39-25.20N 034-06.53W. C. 37-35.49N 038-21.89W. D. 33-27.05N 032-23.80W. E. 36-15.07N 029-20.05W. 2. CANCEL THIS MSG 24 JUN 16.
This area · survey operations
22 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 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 by M/V thalassa: a. 05 aug in 37-36N 038-22W2012-08-04
- Underwater operations by M/V thalassa: a. 05 aug in 37-36N 038-22W2012-08-04
- Underwater operations by M/V thalassa: a. 04 and 05 aug in 33-27N 032-24W2012-08-03
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
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.