Aids-to-navigation notices in the Inner Seas off the West Coast of Scotland

Lights extinguished, buoys off station, RACON/NAVTEX outages.

in force
2
last 12 months
2
vs previous 12 (1)
+100%
since 1998
951

Coverage note: the NGA archive ends 2024-05 and live collection began 2026-08-17. Warnings issued in between are here only if they were still in force when collection started, so 2024–2026 are under-counted.

In force now · 2

  1. HYDROLANT 1552/26in force2026-08-11
    Mew Island Light at 54-41.90N 005-30.80W in North Channel, Ireland, is unreliable.
    North Channel · Ireland
  2. HYDROLANT 1532/26in force2026-08-08
    MF DSC service is off air at Tiree in the Sea of the Hebrides, Scotland, at 56-30.20N 006-57.80W.
    Sea of the Hebrides · Scotland

Longest in force

  1. HYDROLANT 1532/26in force2026-08-08 · 14 d
    MF DSC service is off air at Tiree in the Sea of the Hebrides, Scotland, at 56-30.20N 006-57.80W.
    Sea of the Hebrides · Scotland
  2. HYDROLANT 1552/26in force2026-08-11 · 10 d
    Mew Island Light at 54-41.90N 005-30.80W in North Channel, Ireland, is unreliable.
    North Channel · Ireland

By year

98
99
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
26

By month (all years)

J
F
M
A
M
J
J
A
S
O
N
D

Other hazards in the Inner Seas off the West Coast of Scotland

Archive · 949 cancelled

  1. HYDROLANT 2664/162016-10-12 → 2016-10-14
    GPS jamming exercises 0700Z to 0800Z and 1615Z to 1715Z daily 12 thru 14 oct within 25 miles of 57-51.9N…
    North Minch · Scotland-west Coast · GPS Satellite System
  2. HYDROLANT 2663/162016-10-12 → 2016-11-22
    Cgoc stornoway mf dsc and r/t services at butt of lewis 58-27.9N 006-14.1W off air
    Scotland-northwest Coast · Radio Services
  3. HYDROLANT 2642/162016-10-10 → 2016-10-12
    GPS jamming exercises 110800Z to 110900Z, 111200Z to 111300Z oct, 0700Z to 0800Z daily 12 thru 14, 18 and 19…
    Scotland-west Coast · North Minch · GPS Satellite System
  4. HYDROLANT 2634/162016-10-08 → 2016-10-12
    Cgoc stornoway mf dsc and r/t services at butt of lewis 58-27.9N 006-14.1W off air
    Scotland-northwest Coast · Radio Services
  5. HYDROLANT 2612/162016-10-06 → 2016-10-07
    Cgoc stornoway mf dsc and r/t services at butt of lewis 58-27.9N 006-14.1W off air
    Scotland-northwest Coast · Radio Services
  6. HYDROLANT 2604/162016-10-06 → 2016-10-10
    Cgoc belfast mf dsc at tiree 56-30N 006-58W off air
    Sea of the Hebrides · Scotland-west Coast · Radio Services
  7. HYDROLANT 2360/162016-09-11 → 2016-09-11
    Oigh sgeir light 56-58.1N 006-40.8W unlit
    Sea of Hebrides · Little Minch · Scotland-west Coast
  8. HYDROLANT 2184/162016-08-25 → 2016-08-26
    Dgps station at butt of lewis light 58-30.9N 006-15.7W off air
    Scotland-northwest Coast
  9. HYDROLANT 2148/162016-08-22 → 2016-08-25
    NAVTEX station portpatrick 54-50.6N 005-07.5W off air 0830Z to 1430Z daily 23 thru 25 aug
    Scotland-southwest Coast · NAVTEX
  10. HYDROLANT 1977/162016-08-04 → 2016-08-05
    Ness point light 57-25.4N 006-47.3W unlit
    Little Minch · Scotland-west Coast
  11. HYDROLANT 1911/162016-07-28 → 2016-08-02
    Cgoc beflast mf dsc and r/t services at rhu stafnish 55-22N 005-32W off air
    Scotland-southwest Coast · Radio Services
  12. HYDROLANT 1831/162016-07-19 → 2016-07-20
    RACON at lady isle light 55-31.6N 004-44.0W inoperative
    Scotland-southwest Coast
  13. HYDROLANT 1821/162016-07-19 → 2016-07-24
    Cgoc shetland dsc and r/t services at arisaig 56-55.1N 005-49.8W off air
    Little Minch · Scotland-west Coast · Radio Services
  14. HYDROLANT 1771/162016-07-13 → 2016-07-18
    Rathlin east light 55-18.1N 006-10.3W unreliable
    Ireland-northeast Coast · North Channel
  15. HYDROLANT 1732/162016-07-09 → 2016-08-19
    Cgoc belfast mf dsc and r/t services at tiree 56-30N 006-58W off air
    Sea of the Hebrides · Scotland-west Coast · Radio Services
  16. HYDROLANT 1644/162016-06-30 → 2016-07-17
    Mrcc stornoway mf dsc and r/t services at butt of lewis 58-30.9N 006-15.7W off air
    Scotland-northwest Coast · Radio Services
  17. HYDROLANT 1604/162016-06-26 → 2016-06-26
    Mf dsc and r/t services at various stations in scotland, northern england and northern ireland unreliable or…
    United Kingdom · Radio Services · NAVTEX
  18. HYDROLANT 1591/162016-06-24 → 2016-06-25
    Mrcc stornoway mf dsc and r/t services at butt of lewis 58-30.9N 006-15.7W off air
    Scotland-northwest Coast · Radio Services
  19. HYDROLANT 1294/162016-05-29 → 2016-05-30
    Corsewall light 55-00.4N 005-09.6W unlit
    North Channel · Scotland-southwest Coast
  20. HYDROLANT 1167/162016-05-17 → 2016-05-18
    Corsewall light 55-00.4N 005-09.6W unlit
    North Channel · Scotland-southwest Coast
  21. HYDROLANT 1111/162016-05-10 → 2016-05-10
    Mrcc stornoway dsc services at butt of lewis 58-27.9N 006-14.1W off air
    Eastern North Atlantic · Scotland-northwest Coast · Radio Services
  22. HYDROLANT 1075/162016-05-06 → 2016-05-06
    East maiden light 54-55.7N 005-43.7W unreliable
    North Channel · Ireland-northeast Coast
  23. HYDROLANT 1043/162016-05-01 → 2016-05-02
    Milaid light 58-01.1N 006-22.0W unreliable
    North Minch · Scotland-northwest Coast
  24. HYDROLANT 937/162016-04-20 → 2016-06-01
    Mrcc belfast mf dsc and r/t services at tiree 56-30N 006-58W unreliable
    Scotland-west Coast · Radio Services
  25. HYDROLANT 888/162016-04-13 → 2016-04-14
    GPS jamming exercises 140600Z to 140730Z and 141700Z to 141830Z apr within 28 miles of 57-51.9N 005-41.1W…
    Scotland-north Coast · North Minch · GPS Satellite System
  26. HYDROLANT 806/162016-04-04 → 2016-04-05
    Ness point light 57-25.4N 006-47.3W unlit
    Little Minch · Scotland-west Coast
  27. HYDROLANT 678/162016-03-20 → 2016-03-20
    Ness point light 57-25.4N 006-47.3W unreliable
    Little Minch · Scotland-west Coast
  28. HYDROLANT 676/162016-03-19 → 2016-03-20
    Ness point light 57-25.4N 006-47.3W unlit
    Little Minch · Scotland-west Coast
  29. HYDROLANT 567/162016-03-09 → 2016-04-20
    Mrcc belfast mf dsc and r/t services at tiree 56-30N 006-58W unreliable
    Scotland-west Coast · Radio Services
  30. HYDROLANT 548/162016-03-06 → 2016-03-10
    Dgps station at butt of lewis light 58-30.9N 006-15.7W off air
    Scotland-northwest Coast
  31. HYDROLANT 511/162016-03-01 → 2016-03-06
    Dgps station at butt of lewis light 58-30.9N 006-15.7W off air 1000Z to 1700Z daily 01 thru 06 mar
    Scotland-northwest Coast
  32. HYDROLANT 328/162016-02-06 → 2016-02-08
    Pladda light 55-25.5N 005-07.1W unreliable
    Scotland-southwest Coast
  33. HYDROLANT 289/162016-02-02 → 2016-02-02
    Eilean glas light 57-51.4N 006-38.5W unreliable
    Scotland-northwest Coast · North Minch
  34. HYDROLANT 269/162016-01-31 → 2016-02-05
    Mrcc stornoway mf r/t services at butt of lewis 58-31.0N 006-15.5W off air
    Scotland-northwest Coast · Radio Services
  35. HYDROLANT 247/162016-01-29 → 2016-02-03
    Ailsa craig light 55-15.1N 005-06.5W unreliable
    Scotland-southwest Coast · North Channel
  36. HYDROLANT 231/162016-01-27 → 2016-03-09
    Mrcc belfast mf dsc and r/t services at tiree 56-30N 006-58W unreliable
    Scotland-west Coast · Radio Services
  37. HYDROLANT 55/162016-01-05 → 2016-01-10
    Ailsa craig light 55-15.1N 005-06.5W unreliable
    Scotland-southwest Coast · North Channel
  38. HYDROLANT 35/162016-01-03 → 2016-01-04
    Sgeir dubh light 56-56.4N 007-28.9W unlit
    Eastern North Atlantic · Sea of Hebrides · Scotland-west Coast
  39. HYDROLANT 3109/152015-12-15 → 2016-01-27
    Mrcc belfast mf dsc and r/t at tiree 56-30N 006-59W unreliable
    Scotland-west Coast · Radio Services
  40. HYDROLANT 3101/152015-12-15 → 2015-12-17
    Ailsa craig light 55-15.1N 005-06.5W unreliable
    Scotland-southwest Coast · North Channel
  41. HYDROLANT 2973/152015-12-01 → 2015-12-02
    Oigh sgeir light 56-58.1N 006-40.8W unlit, RACON inoperative
    Scotland-west Coast · Sea of Hebrides · Little Minch
  42. HYDROLANT 2946/152015-11-29 → 2015-12-01
    Oigh sgeir light 56-58.1N 006-40.8W unlit
    Scotland-west Coast · Sea of Hebrides · Little Minch
  43. HYDROLANT 2939/152015-11-28 → 2015-11-29
    Oigh sgeir light 56-58.1N 006-40.8W unreliable
    Scotland-west Coast · Sea of Hebrides · Little Minch
  44. HYDROLANT 2897/152015-11-24 → 2015-11-26
    Oigh sgeir light 56-58.2N 006-40.8W unreliable
    Scotland-west Coast · Sea of Hebrides · Little Minch
  45. HYDROLANT 2738/152015-11-07 → 2015-11-11
    RACON at lady isle light 55-31.6N 004-44.0W inoperative
    Scotland-southwest Coast
  46. HYDROLANT 2496/152015-10-05 → 2015-10-06
    East maiden light 54-55.7N 005-43.7W unlit
    Ireland-northeast Coast · North Channel
  47. HYDROLANT 2488/152015-10-05 → 2015-10-16
    GPS jamming exercises: a. 0730Z to 0830Z and 1600Z to 1700Z daily 06, 07 and 12 thru 16 oct within 28 miles…
    Scotland-north Coast · North Minch · GPS Satellite System
  48. HYDROLANT 2433/152015-09-29 → 2015-09-29
    Dgps station at butt of lewis light 58-30.9N 006-15.7W off air 290900Z to 291600Z sep
    Scotland-northwest Coast
  49. HYDROLANT 2355/152015-09-21 → 2015-09-21
    Gasay light 57-08.9N 007-17.4W unlit
    Scotland-west Coast · Little Minch
  50. HYDROLANT 2318/152015-09-17 → 2015-09-19
    East maiden light 54-55.7N 005-43.6W unreliable
    Ireland-northeast Coast · North Channel

Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts and your national MSI service.

Aids-to-navigation notices in the Inner Seas off the West Coast of Scotland — page 7 · seahazards