Surveys

Underwater operations in progress until 26 aug by M/V thalassa in: a. 52-39.99N 051-52.94W

Western North Atlantic · Labrador Sea · NAVAREA IV 618/14

issued
2014-08-06 18:13Z
status
cancelled 2014-08-27 00:01Z (archive)
authority
SYLVIE VAN ISEGHEM 061311Z AUG 14.
position
54.383, -51.435
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH ATLANTIC.
LABRADOR SEA.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 26 AUG
   BY M/V THALASSA IN:
   A. 52-39.99N 051-52.94W.
   B. 52-44.61N 051-41.79W.
   C. 52-44.61N 051-41.80W.
   D. 52-46.98N 051-35.82W.
   E. 52-50.17N 051-28.45W.
   F. 52-51.94N 051-29.36W.
   G. 52-52.30N 051-22.65W.
   H. 52-55.40N 051-15.89W.
   I. 52-57.13N 051-18.59W.
   J. 53-00.72N 051-02.65W.
   K. 53-02.76N 051-04.87W.
   L. 53-06.20N 050-50.40W.
   M. 53-08.26N 050-52.27W.
   N. 53-13.90N 050-34.08W.
   O. 53-21.55N 050-14.08W.
   P. 53-30.11N 049-53.64W.
   Q. 53-38.83N 049-32.85W.
   R. 53-47.86N 049-12.16W.
   S. 53-57.02N 048-52.05W.
   T. 54-10.00N 048-24.95W.
   U. 54-20.05N 047-55.05W.
   V. 57-30.00N 054-00.00W.
   W. 59-47.37N 060-37.28W.
   X. 59-48.55N 060-30.77W.
   Y. 59-51.05N 060-14.47W.
   Z. 59-20.30N 039-40.00W.
2. CANCEL THIS MSG 27 AUG 14.

This area · survey operations

10 within 180 nm since 2014 · 0 in the last 12 months · 0 in force now

14
15
20

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

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.