Nav aids

Dgps station at sumburgh head light 59-51.2N 001-16.5W off air 131100Z to 131600Z mar

Eastern North Atlantic · North Sea · Shetland Islands · HYDROLANT 948/20

issued: 2020-03-13 06:00Z
status: cancelled 2020-03-13 14:03Z (archive)
self-cancels: 2020-03-13 17:00Z
authority: WZ 318/20 130554Z MAR 20.
position: 59.853, -1.275
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH ATLANTIC.
NORTH SEA.
SHETLAND ISLANDS.
DNC 20.
1. DGPS STATION AT SUMBURGH HEAD LIGHT
   59-51.2N 001-16.5W OFF AIR
   131100Z TO 131600Z MAR.
2. CANCEL THIS MSG 131700Z MAR 20.

This area · aids-to-navigation notices

915 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now

Copinsay light 58-53.80N 002-40.20W unreliable2024-02-17
Firths voe light 60-27.20N 001-10.60W unreliable2023-12-28
Tarf light 58-44.30N 003-04.20W unlit2023-11-21
The tarf light 58-44.3N 003-04.2W unlit2023-11-21
Tarf light 58-44.30N 003-04.20W unreliable2023-11-21
Muckle flugga light 60-51.30N 000-53.10W unlit2023-10-13

Season · when aids-to-navigation notices happen here

month of issue, all years in the archive

Timeline

HYDROLANT warnings in force as of 131359Z mar 20cancelled by · 2020-03-13

Nearby now · within 120 nm

Noup head light 59-19.90N 003-04.20W range reduced to 12 milesOther · 62.9 nm
Survey operations in progress until further notice by M/V ramform hyperion towing ten 2740 meter long cablesSurveys · 114.6 nm
Survey operations in progress until further notice by M/V amazon conqueror towing eight 1609 meter long…Surveys · 114.8 nm

Worldwide now

142 aids-to-navigation notices in force · see all

Nav aids

Lights extinguished, buoys off station, RACON/NAVTEX outages. All current aids-to-navigation notices →

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.