Nav aids

Nga chart 35121 (1ST ed)

HYDROLANT 221/08

issued: 2008-02-01 03:33Z
status: cancelled 2008-02-01 13:33Z (archive)
authority: WZ 190/08 010218Z FEB 08.
position: 55.273, -8.248
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

NGA CHART 35121 (1ST ED).
DGPS STATION AT TORY ISLAND LIGHT 55-16.4N 008-14.9W
UNRELIABLE.

This area · aids-to-navigation notices

1198 within 180 nm since 1998 · 1 in the last 12 months · 1 in force now

Mew island light 54-41.90N 005-30.80W unreliable2026-08-11
Isle of man light 54-03.70N 004-48.00W unlit2024-04-25
GPS jamming exercises 0830Z to 1700Z daily 29 apr thru 03 may in area within 11 miles of 57-21.00N 007-24.00W2024-04-24
NAVTEX station portpatrick (o) 54-51.00N 005-07.00W unreliable2024-04-06
NAVTEX station portpatrick (o) 54-50.63N 005-07.46W unreliable 0800Z to 1500Z daily 04 and 05 apr2024-04-03
GPS jamming exercises 0830Z to 1700Z daily 25 thru 29 mar in area within 11 miles of 57-21.00N 007-24.00W2024-03-20

Season · when aids-to-navigation notices happen here

month of issue, all years in the archive

Timeline

Cancel HYDROLANT 221/08 and this msg, aid restoredcancelled by · 2008-02-01

Nearby now · within 120 nm

Mf dsc service off air at tiree 56-30.20N 006-57.80WOther · 85.6 nm
Mew island light 54-41.90N 005-30.80W unreliableNav aids · 100.3 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.