Surveys

Hydrographic survey in progress until 09 jun by M/V thalassa along trackline joining 48-25.0N 005-46.2W,…

Eastern North Atlantic · HYDROLANT 1385/15

issued: 2015-06-06 20:40Z
status: cancelled 2015-06-10 00:01Z (archive)
authority: THALASSA 061154Z JUN 15.
position: 51.958, -18.516
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH ATLANTIC.
DNC 19, DNC 20.
1. HYDROGRAPHIC SURVEY IN PROGRESS UNTIL 09 JUN
   BY M/V THALASSA ALONG TRACKLINE JOINING
   48-25.0N 005-46.2W, 52-00.0N 018-00.0W,
   55-10.0N 031-21.0W.
2. CANCEL THIS MSG 10 JUN 15.

This area · survey operations

2 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

Underwater operations in progress until further notice by M/V jean charcot along trackline between 49-30N…1999-08-18

Season · when survey operations happen here

month of issue, all years in the archive

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

75 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.