Surveys

Hydrographic survey by M/V thalassa: a. 24 jun along trackline between 63-25.17N 023-55.22W and 58-51.00N…

North Atlantic · NAVAREA IV 503/15

issued
2015-06-24 12:37Z
status
cancelled 2015-06-25 13:02Z (archive)
cancels
NAVAREA IV 500/15
authority
THALASSA 241231Z JUN 15.
position
60.868, -28.073
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH ATLANTIC.
1. HYDROGRAPHIC SURVEY BY M/V THALASSA:
   A. 24 JUN ALONG TRACKLINE BETWEEN
      63-25.17N 023-55.22W AND 58-51.00N 031-17.00W.
   B. 25 AND 26 JUN ALONG TRACKLINE BETWEEN
      62-07.17N 026-13.00W AND 58-51.00N 031-17.00W.
   WIDE BERTH REQUESTED.
2. CANCEL NAVAREA IV 500/15.
3. CANCEL THIS MSG 27 JUN 15.

This area · survey operations

9 within 180 nm since 2015 · 0 in the last 12 months · 0 in force now

Season · when survey operations happen here

J
F
M
A
M
J
J
A
S
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N
D

month of issue, all years in the archive

Timeline

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.