Surveys
Hydrographic survey by M/V thalassa: a. 17 jun vicinity of 58-50N 031-14W
North Atlantic · NAVAREA IV 473/15
- issued
- 2015-06-17 12:40Z
- status
- cancelled 2015-06-18 13:35Z (archive)
- cancels
- NAVAREA IV 471/15
- authority
- THALASSA 171231Z JUN 15.
- position
- 57.858, -28.975
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
NORTH ATLANTIC.
1. HYDROGRAPHIC SURVEY BY M/V THALASSA:
A. 17 JUN VICINITY OF 58-50N 031-14W.
B. 18 JUN ALONG TRACKLINE BETWEEN
58-47N 030-39W AND 56-56N 027-18W.
C. 19 JUN VICINITY OF 56-56N 027-18W.
WIDE BERTH REQUESTED.
2. CANCEL NAVAREA IV 471/15.
3. CANCEL THIS MSG 20 JUN 15.
This area · survey operations
10 within 180 nm since 2012 · 0 in the last 12 months · 0 in force now
12
15
- Hydrographic survey by M/V thalassa: a. 29 jun along trackline between 58-32N 031-25W and 56-51N 033-29W2015-06-29
- Hydrographic survey by M/V thalassa: a. 28 jun along trackline between 58-59N 032-10W and 58-46N 030-38W2015-06-28
- Hydrographic survey by M/V thalassa: a. 26 jun along trackline between 60-54.2N 028-07.1W and 58-51.0N…2015-06-26
- Hydrographic survey by M/V thalassa: a. 25 jun along trackline between 62-07.17N 026-13.00W and 58-51.00N…2015-06-25
- Hydrographic survey by M/V thalassa: a. 18 jun along trackline between 58-47N 030-39W and 56-56N 027-18W2015-06-18
- Hydrographic survey by M/V thalassa: a. 16 jun along trackline between 59-20N 036-25W and 58-50N 031-14W2015-06-16
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Hydrographic survey by M/V thalassa: a. 16 jun along trackline between 59-20N 036-25W and 58-50N 031-14Wcancels · 2015-06-16
- Hydrographic survey by M/V thalassa: a. 16 jun along trackline between 59-20N 036-25W and 58-50N 031-14Wreplaced · 2015-06-16
- Hydrographic survey by M/V thalassa: a. 18 jun along trackline between 58-47N 030-39W and 56-56N 027-18Wcancelled by · 2015-06-18
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.