Nav aids

Cancel HYDROLANT 1949/11

Southern North Sea · HYDROLANT 3/12

issued: 2012-01-01 11:57Z
status: cancelled 2012-03-25 09:03Z (archive)
cancels: HYDROLANT 1949/11
authority: WZ 5/12 010925Z JAN 12.
position: 53.449, 1.885
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTHERN NORTH SEA.
CHART 37057
1. FOG SIGNAL AT PLATFORM 48/20 (53-26.94N 001-53.13E) INOPERATIVE.
2. CANCEL HYDROLANT 1949/11.

This area · aids-to-navigation notices

1862 within 180 nm since 1997 · 9 in the last 12 months · 9 in force now

Goodwin sands eastwards2026-08-16
Lincs wind farm2026-08-10
Sandettie west buoy 51-15.1N 001-54.5E missing2026-08-06
Platform southwark 53-11.0N 002-05.8E unlit and all navaids inoperative2026-08-02
Mf dsc and r/t services off air at: a. bawdsey 51-59.60N 001-24.50E2026-08-01
Mid haisbro buoy 52-54.2N 001-41.6E unlit2026-07-28

Season · when aids-to-navigation notices happen here

month of issue, all years in the archive

Timeline

Nga chart 37057 (2ND ed)cancels · 2011-11-20
Nga chart 37057 (2ND ed)replaced · 2011-11-20
Cancel HYDROLANT 3/12 and 221/12(36,37)cancelled by · 2012-03-25

Nearby now · within 120 nm

Platform southwark 53-11.0N 002-05.8E unlit and all navaids inoperativeNav aids · 17.7 nm
Leman gas fieldNav aids · 26.1 nm
Mid haisbro buoy 52-54.2N 001-41.6E unlitNav aids · 33.5 nm
Lincs wind farmNav aids · 51.1 nm
Turbine G27, 52-19.8N 002-33.5E, fog signal inoperativeNav aids · 71.5 nm
Sofia offshore wind farmNav aids · 93.8 nm
Mf dsc and r/t services off air at: a. bawdsey 51-59.60N 001-24.50ENav aids · 119.3 nm

Worldwide now

189 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.