Surveys

Survey operations in progress until further notice by M/V thalassa along trackline between 47-17.4N…

Eastern North Atlantic · HYDROLANT 2060/18

issued: 2018-06-24 16:25Z
status: cancelled 2018-06-26 04:13Z (archive)
cancels: HYDROLANT 2040/18
authority: NAVAREA II 272/18 241611Z JUN 18.
position: 48.224, -20.994
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH ATLANTIC.
DNC 08, DNC 19.
1. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER
   NOTICE BY M/V THALASSA ALONG TRACKLINE BETWEEN
   47-17.4N 020-15.8W AND 49-09.5N 021-43.5W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 2040/18.

This area · survey operations

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

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Survey operations in progress until further notice by M/V thalassa along trackline between 45-47.8N…cancels · 2018-06-23
Survey operations in progress until further notice by M/V thalassa along trackline between 45-47.8N…replaced · 2018-06-23
Cancel HYDROLANT 2060/18 and this msgcancelled by · 2018-06-26

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.