Nav aids

Heisker island light 57-32N 007-42W unreliable

HYDROLANT 4226/00

issued: 2000-12-24 19:00Z
status: cancelled 2000-12-25 11:45Z (archive)
authority: WZ 2444/00 241817Z DEC 00
position: 57.533, -7.700
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

CHART 35260 (11TH ED).
HEISKER ISLAND LIGHT 57-32N 007-42W UNRELIABLE.

This area · aids-to-navigation notices

1484 within 180 nm since 1998 · 2 in the last 12 months · 2 in force now

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
Dsc services at glengorm site 56-37.90N 006-08.00W off air2024-04-29
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
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
Cgoc stornoway mf r/t services off air at: a. butt of lewis site 58-27.7N 006-13.9W2024-03-02

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 vicinity of trackline between…cancelled by · 2000-12-25

Nearby now · within 120 nm

Live weapons firings in progress daily between 0700 UTC and 1700 UTC, 18 to 21 aug, in area within 17 miles…Exercises · 11.9 nm
Mf dsc service from tiree site 56-30.2N 006-57.8W off airNav aids · 66.4 nm
Mf dsc service off air at tiree 56-30.20N 006-57.80WNav aids · 66.4 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.