Surveys
Hydrographic survey by M/V thalassa: a. 02 jul along trackline between 55-48N 034-49W and 54-10N 035-05W
North Atlantic · NAVAREA IV 530/15
- issued
- 2015-07-02 15:07Z
- status
- cancelled 2015-07-05 00:01Z (archive)
- cancels
- NAVAREA IV 526/15
- authority
- THALASSA 021247Z JUL 15.
- position
- 52.908, -35.045
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
NORTH ATLANTIC.
1. HYDROGRAPHIC SURVEY BY M/V THALASSA:
A. 02 JUL ALONG TRACKLINE BETWEEN
55-48N 034-49W AND 54-10N 035-05W.
B. 03 JUL ALONG TRACKLINE BETWEEN
54-10N 035-05W AND 52-00N 035-05W.
C. 04 JUL ALONG TRACKLINE BETWEEN
52-00N 035-05W AND 50-00N 035-05W.
WIDE BERTH REQUESTED.
2. CANCEL NAVAREA IV 526/15.
3. CANCEL THIS MSG 05 JUL 15.
This area · survey operations
4 within 180 nm since 2015 · 0 in the last 12 months · 0 in force now
- Hydrographic survey by M/V thalassa: a. 03 jul along trackline between 54-10N 035-05W and 52-00N 035-05W2015-07-03
- Hydrographic survey by M/V thalassa: a. 01 jul along trackline between 56-24N 034-01W and 55-48N 034-49W2015-07-01
- Hydrographic survey by M/V thalassa: a. 30 jun along trackline between 56-51N 033-29W and 56-24N 034-01W2015-06-30
Season · when survey operations happen here
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F
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A
M
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J
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month of issue, all years in the archive
Timeline
- Hydrographic survey by M/V thalassa: a. 01 jul along trackline between 56-24N 034-01W and 55-48N 034-49Wcancels · 2015-07-01
- Hydrographic survey by M/V thalassa: a. 01 jul along trackline between 56-24N 034-01W and 55-48N 034-49Wreplaced · 2015-07-01
- Hydrographic survey by M/V thalassa: a. 03 jul along trackline between 54-10N 035-05W and 52-00N 035-05Wcancelled by · 2015-07-03
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.