Surveys

Survey operations in progress until further notice by M/V ridley thomas along trackline joining 49-03.9N…

Celtic Sea · Eastern North Atlantic · HYDROLANT 2558/20

issued: 2020-08-19 00:16Z
status: cancelled 2020-08-19 19:59Z (archive)
authority: NAVAREA I 116/20 182135Z AUG 20.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

CELTIC SEA.
EASTERN NORTH ATLANTIC.
DNC 19.
SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER
NOTICE BY M/V RIDLEY THOMAS ALONG TRACKLINE JOINING
49-03.9N 10-18.8W, 48-29.3N 10-37.8W.
ONE MILE BERTH REQUESTED.

Timeline

Cancel HYDROLANT 2558/20 and this msg, operations suspendedcancelled by · 2020-08-19

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

84 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.