Inner Seas off the West Coast of Scotland

IHO sea area 18 · -8° to -4° E, 54° to 59° N

in force
2
last 12 months
2
since 1998
1,216
categories
10

In force now · 2

  1. HYDROLANT 1552/26 · Nav aids2026-08-11
    Mew Island Light at 54-41.90N 005-30.80W in North Channel, Ireland, is unreliable.
  2. HYDROLANT 1532/26 · Nav aids2026-08-08
    MF DSC service is off air at Tiree in the Sea of the Hebrides, Scotland, at 56-30.20N 006-57.80W.

Longest in force

  1. HYDROLANT 1532/26 · Nav aids2026-08-08
    MF DSC service is off air at Tiree in the Sea of the Hebrides, Scotland, at 56-30.20N 006-57.80W.
  2. HYDROLANT 1552/26 · Nav aids2026-08-11
    Mew Island Light at 54-41.90N 005-30.80W in North Channel, Ireland, is unreliable.

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

By category · since 1997

Nav aids95078%
Other968%
Surveys746%
Cable ops544%
Wrecks323%
Mines30%
Derelicts30%
Debris20%
Containers10%
Exercises10%

Archive · 1,214 cancelled

  1. HYDROLANT 1173/07 · Nav aids2007-07-06 → 2007-07-06
    Nga chart 35247 (35TH ed)
  2. HYDROLANT 1161/07 · Nav aids2007-07-04 → 2007-07-05
    Nga chart 36060 (17TH ed)
  3. HYDROLANT 1092/07 · Nav aids2007-06-23 → 2007-06-26
    Nga chart 35247 (4TH ed)
  4. HYDROLANT 1071/07 · Nav aids2007-06-20 → 2008-02-09
    Nga chart 35230 (3RD ed)
  5. HYDROLANT 1054/07 · Other2007-06-18 → 2007-06-18
    Rt services from clettravel site 57-37N 007-27W and rodel site 57-45N 006-57W inoperative
  6. HYDROLANT 948/07 · Nav aids2007-06-04 → 2007-06-05
    Dsc station clettreval 57-37N 007-27W and rodel 57-45N 006-57W off air until further notice
  7. HYDROLANT 804/07 · Nav aids2007-05-13 → 2007-05-14
    Barra head light 56-47.1N 007-39.2W unreliable
  8. HYDROLANT 794/07 · Nav aids2007-05-12 → 2007-05-12
    South rock light 54-24N 005-22W unreliable
  9. HYDROLANT 769/07 · Nav aids2007-05-08 → 2007-05-09
    Barra head light 56-47.1N 007-39.2W unreliable
  10. HYDROLANT 728/07 · Nav aids2007-05-01 → 2007-05-02
    East maiden light 54-55.7N 005-43.6W unreliable
  11. HYDROLANT 724/07 · Nav aids2007-04-30 → 2007-05-01
    Barra head light 56-47.1N 007-39.2W unreliable
  12. HYDROLANT 697/07 · Nav aids2007-04-27 → 2007-04-27
    Mrcc stornoway dsc and rt at clettreval 57-37.1N 007-26.5W inoperative
  13. HYDROLANT 673/07 · Surveys2007-04-23 → 2007-04-24
    Underwater operations 231400Z to 241400Z apr by warship with submersible in area bound by 55-30N 005-30W,…
  14. HYDROLANT 593/07 · Nav aids2007-04-10 → 2007-04-12
    Dubh artach light 56-08.0N 006-37.9W unreliable
  15. HYDROLANT 491/07 · Nav aids2007-03-27 → 2007-03-28
    Dgps station at butt of lewis light 58-30.8N 006-15.6W inoperative
  16. HYDROLANT 431/07 · Nav aids2007-03-18 → 2007-03-18
    Dsc station stornoway 58-13N 006-20W mf dsc off air
  17. HYDROLANT 429/07 · Nav aids2007-03-18 → 2007-03-18
    Dgps station at butt of lewis light 58-30.8N 006-15.6W at reduced power
  18. HYDROLANT 411/07 · Nav aids2007-03-15 → 2007-03-28
    Dubh artach light 56-08.0N 006-37.9W unlit
  19. HYDROLANT 317/07 · Nav aids2007-03-02 → 2007-03-02
    Outer hebrides dgps station at butt of lewis lighthouse 58-30.8N 006-15.6W off air
  20. HYDROLANT 242/07 · Nav aids2007-02-13 → 2008-02-09
    Rubh a chruida light 56-25.3N 005-29.2W range permanently changed to four miles

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