Surveys

Survey operations in progress until further notice by M/V sw amundsen towing eight 8000 meter long cables…

Norwegian Sea · North Sea · Shetland Islands · HYDROLANT 1147/21

issued: 2021-04-26 12:16Z
status: cancelled 2021-04-27 03:48Z (archive)
authority: NAVAREA I 52/21 UPDATE 251105Z APR 21.
sea: North Sea
position: 59.938, 0.571
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORWEGIAN SEA.
NORTH SEA.
SHETLAND ISLANDS.
DNC 20.
SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER
NOTICE BY M/V SW AMUNDSEN TOWING EIGHT 8000 METER
LONG CABLES AND M/V SANCO SCORPIO
IN VICINITY OF TRACKLINE JOINING
58-27.6N 000-33.5E, 61-25.0N 000-35.0E.
WIDE BERTH REQUESTED.

This area · survey operations

147 within 180 nm since 1999 · 3 in the last 12 months · 3 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 sw amundsen towing 12 8000 meter long cables in…cancelled by · 2021-04-27

Nearby now · within 120 nm

Survey operations in progress until further notice by M/V ramform hyperion towing ten 2740 meter long cablesSurveys · 65.7 nm
Survey operations in progress until further notice by M/V amazon conqueror towing eight 1609 meter long…Surveys · 81.9 nm
Survey operations in progress until further notice by M/V ramform atlas towing 17 3600 meter long cables in…Surveys · 88.1 nm
Noup head light 59-19.90N 003-04.20W range reduced to 12 milesNav aids · 116.3 nm

Worldwide now

86 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.