Surveys
Hydrographic survey by M/V thalassa: a. 25 jun along trackline between 62-07.17N 026-13.00W and 58-51.00N…
North Atlantic · NAVAREA IV 506/15
- issued
- 2015-06-25 13:02Z
- status
- cancelled 2015-06-28 00:01Z (archive)
- cancels
- NAVAREA IV 503/15
- authority
- THALASSA 251218Z JUN 15.
- position
- 60.293, -29.049
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
NORTH ATLANTIC.
1. HYDROGRAPHIC SURVEY BY M/V THALASSA:
A. 25 JUN ALONG TRACKLINE BETWEEN
62-07.17N 026-13.00W AND 58-51.00N 031-17.00W.
B. 26 JUN ALONG TRACKLINE BETWEEN
61-12.00N 027-39.00W AND 58-51.00N 031-17.00W.
C. 27 JUN VICINITY 58-33.00N 030-11.00W.
WIDE BERTH REQUESTED.
2. CANCEL NAVAREA IV 503/15.
3. CANCEL THIS MSG 28 JUN 15.
This area · survey operations
11 within 180 nm since 2015 · 0 in the last 12 months · 0 in force now
- 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. 24 jun along trackline between 63-25.17N 023-55.22W and 58-51.00N…2015-06-24
- Hydrographic survey by M/V thalassa: a. 23 jun along trackline joining 63-00.00N 027-40.00W, 63-00.00N…2015-06-23
- Hydrographic survey by M/V thalassa: a. 22 jun along trackline between 60-18.00N 021-00.00W and 63-01.00N…2015-06-22
- Hydrographic survey by M/V thalassa: a. 21 jun along trackline between 61-55N 021-00W and 63-01N 024-37W2015-06-21
- Hydrographic survey by M/V thalassa: a. 18 jun along trackline between 58-47N 030-39W and 56-56N 027-18W2015-06-18
Season · when survey operations happen here
J
F
M
A
M
J
J
A
S
O
N
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month of issue, all years in the archive
Timeline
- Hydrographic survey by M/V thalassa: a. 24 jun along trackline between 63-25.17N 023-55.22W and 58-51.00N…cancels · 2015-06-24
- Hydrographic survey by M/V thalassa: a. 24 jun along trackline between 63-25.17N 023-55.22W and 58-51.00N…replaced · 2015-06-24
- Hydrographic survey by M/V thalassa: a. 26 jun along trackline between 60-54.2N 028-07.1W and 58-51.0N…cancelled by · 2015-06-26
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.