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 646/01 · Surveys2001-02-22 → 2001-02-23
    Underwater operations in progress until further notice by M/V havila reel vicinity 54-55N 005-29W
  2. HYDROLANT 595/01 · Surveys2001-02-18 → 2001-02-19
    Underwater operations in progress until further notice by M/V havila reel vicinity 54-56N 005-31W
  3. HYDROLANT 572/01 · Nav aids2001-02-16 → 2001-02-16
    Dsc station tiree 56-30N 006-59W mf inoperative
  4. HYDROLANT 568/01 · Cable ops2001-02-15 → 2001-02-17
    Underwater operations in progress until further notice by cableship sovereign within one mile of 54-58N…
  5. HYDROLANT 567/01 · Cable ops2001-02-15 → 2001-02-22
    Underwater operations in progress until further notice by cableship tyco provider vicinity of trackline…
  6. HYDROLANT 549/01 · Surveys2001-02-14 → 2001-02-15
    Underwater operations in progress until further notice by M/V havila reel with submersible vicinity 54-55N…
  7. HYDROLANT 544/01 · Surveys2001-02-14 → 2001-02-14
    Underwater operations in progress until further notice by M/V havila reel vicinity 54-42N 005-17W
  8. HYDROLANT 505/01 · Surveys2001-02-11 → 2001-02-12
    Underwater operations in progress until further notice by M/V havila reel vicinity 54-36.7N 005-11.1W
  9. HYDROLANT 494/01 · Surveys2001-02-10 → 2001-02-11
    Underwater operations in progress until further notice by M/V havila reel vicinity 54-34.9N 005-09.4W
  10. HYDROLANT 472/01 · Nav aids2001-02-08 → 2001-02-09
    Eilean a chuirn light 55-40N 006-01W unlit
  11. HYDROLANT 458/01 · Surveys2001-02-07 → 2001-02-09
    Underwater operations in progress until further notice by M/V havila reel vicinity: a. 55-25.8N 006-02.2W,…
  12. HYDROLANT 411/01 · Surveys2001-02-04 → 2001-02-15
    Underwater operations in progress until further notice by M/V tyco provider vicinity of trackline joining…
  13. HYDROLANT 406/01 · Nav aids2001-02-04 → 2001-02-05
    Eilean trodday light 57-44N 006-18W unlit
  14. HYDROLANT 354/01 · Surveys2001-01-30 → 2001-01-31
    Underwater operations in progress until further notice by M/V havila reel vicinity 55-26.0N 006-02.4W
  15. HYDROLANT 350/01 · Cable ops2001-01-30 → 2001-01-30
    Underwater operations in progress until further notice by cableship havila reel vicinity 54-55.4N 005-30.4W
  16. HYDROLANT 4234/00 · Cable ops2000-12-25 → 2000-12-29
    Underwater operations in progress until further notice by cableship sovereign within one mile of 54-58.5N…
  17. HYDROLANT 4206/00 · Other2000-12-23 → 2000-12-24
    Sanda island light 55-17N 005-35W at reduced intensity
  18. HYDROLANT 4188/00 · Surveys2000-12-21 → 2000-12-25
    Underwater operations in progress until further notice by M/V sovereign within one mile of 54-53.1N 005-48.8W
  19. HYDROLANT 4172/00 · Surveys2000-12-20 → 2000-12-26
    Underwater operations in progress until further notice by M/V trollnes vicinity: a. 54-14N 004-57W
  20. HYDROLANT 4164/00 · Cable ops2000-12-19 → 2000-12-21
    Underwater operations in progress until further notice by cableship atlantida along trackline joining 55-32N…

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