Nav aids

Fog signal at south rock lightfloat 54-25N 005-22W unreliable

HYDROLANT 3900/00

issued: 2000-11-21 16:51Z
status: cancelled 2000-11-24 10:10Z (archive)
cancels: HYDROLANT 3837/00
authority: WZ 2219/00 211541Z NOV 00; WZ 2218/00 211103Z NOV 00
position: 54.417, -5.367
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

CHART 36060 (17TH ED).
1. FOG SIGNAL AT SOUTH ROCK LIGHTFLOAT 54-25N 005-22W UNRELIABLE.
2. CANCEL HYDROLANT 3837/00(37), OPERATIONS SUSPENDED.

This area · aids-to-navigation notices

1814 within 180 nm since 1997 · 6 in the last 12 months · 6 in force now

Mf r/t and dsc services from cullercoats site 55-04.4N 001-27.8W off air2026-08-16
Mew island light 54-41.90N 005-30.80W unreliable2026-08-11
Mf dsc service off air at tiree 56-30.20N 006-57.80W2026-08-08
Mf dsc service from tiree site 56-30.2N 006-57.8W off air2026-08-08
Walney extension wind farm2026-08-04
Mf dsc and r/t services off air at: a. bawdsey 51-59.60N 001-24.50E2026-08-01

Season · when aids-to-navigation notices happen here

month of issue, all years in the archive

Timeline

Underwater operations in progress until further notice by M/V neftegaz 31 and cableship nordica vicinity of…cancels · 2000-11-14
Underwater operations in progress until further notice by M/V neftegaz 31 and cableship nordica vicinity of…replaced · 2000-11-14
HYDROLANT messages in force 241000Z nov 2000cancelled by · 2000-11-24

Nearby now · within 120 nm

Mew island light 54-41.90N 005-30.80W unreliableNav aids · 17.7 nm
Walney extension wind farmNav aids · 54 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.