Nav aids

Black head light 54-46-00N 005-41-20W unreliable

North Channel · Northern Ireland · HYDROLANT 2047/21

issued: 2021-08-06 02:57Z
status: cancelled 2021-08-06 21:48Z (archive)
authority: WZ 845/21 052202Z AUG 21.
sea: Inner Seas off the West Coast of Scotland
position: 54.767, -5.689
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH CHANNEL.
NORTHERN IRELAND.
DNC 20.
BLACK HEAD LIGHT 54-46-00N 005-41-20W UNRELIABLE.

This area · aids-to-navigation notices

1808 within 180 nm since 1998 · 3 in the last 12 months · 3 in force now

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 and r/t services off air at: a. bawdsey 51-59.60N 001-24.50E2026-08-01
NAVTEX station cullercoats (g) 55-04.00N 001-28.00W unreliable 0800Z to 1500Z daily 07 thru 09 may2024-05-06
Dsc services at glengorm site 56-37.90N 006-08.00W off air2024-04-29
Isle of man light 54-03.70N 004-48.00W unlit2024-04-25

Season · when aids-to-navigation notices happen here

month of issue, all years in the archive

Timeline

Cancel HYDROLANT 2047/21 and this msg, aid restoredcancelled by · 2021-08-06

Nearby now · within 120 nm

Mew island light 54-41.90N 005-30.80W unreliableNav aids · 7.3 nm
Mf dsc service off air at tiree 56-30.20N 006-57.80WNav aids · 112.9 nm

Worldwide now

195 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.