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 2235/99 · Surveys1999-10-19 → 1999-11-05
    Underwater operations in progress until further notice by M/V geo searcher along trackline joining 54-57N…
  2. HYDROLANT 2214/99 · Surveys1999-10-15 → 1999-10-19
    Underwater operations in progress until further notice by M/V geo searcher along trackline between 54-27N…
  3. HYDROLANT 2196/99 · Wrecks1999-10-13 → 1999-10-14
    Drake wreck buoy 55-17N 006-12W unreliable
  4. HYDROLANT 2078/99 · Nav aids1999-09-29 → 2000-03-31
    RACON at sanda light 55-17N 005-35W discontinued
  5. HYDROLANT 1998/99 · Nav aids1999-09-19 → 1999-09-27
    Lady isle light 55-32N 004-44W unreliable
  6. HYDROLANT 1993/99 · Cable ops1999-09-19 → 1999-09-24
    Pipeline survey in progress until further notice by M/V mansal 18 with submersible along trackline between…
  7. HYDROLANT 1955/99 · Cable ops1999-09-15 → 1999-09-19
    Pipeline survey in progress until further notice by M/V mansal 18 with submersible along trackline between…
  8. HYDROLANT 1692/99 · Nav aids1999-08-12 → 1999-08-13
    Barra head light 56-47N 007-39W unreliable
  9. HYDROLANT 1670/99 · Nav aids1999-08-10 → 1999-08-11
    Skerryvore light 56-19N 007-07W unreliable
  10. HYDROLANT 1619/99 · Surveys1999-08-04 → 1999-08-08
    Underwater operations in progress until further notice by M/V geo searcher between 55-32N 007-15W and 55-34N…
  11. HYDROLANT 1612/99 · Nav aids1999-08-03 → 1999-08-04
    Skerryvore light 56-19N 007-07W unreliable
  12. HYDROLANT 1583/99 · Nav aids1999-08-01 → 1999-08-02
    Chaine tower light 54-51N 005-48W unlit
  13. HYDROLANT 1575/99 · Nav aids1999-07-31 → 1999-09-29
    RACON at sanda light 55-17N 005-35W inoperative
  14. HYDROLANT 1573/99 · Surveys1999-07-31 → 1999-08-13
    Oceanographic mooring marked by spar buoy, FL(5) y 20 sec temporarily established in 55-04.9N 005-30.3W
  15. HYDROLANT 1533/99 · Nav aids1999-07-25 → 1999-07-25
    Chaine tower light 54-51N 005-48W unlit
  16. HYDROLANT 1478/99 · Nav aids1999-07-16 → 1999-07-18
    Kyle rhea light 57-14N 005-40W unreliable
  17. HYDROLANT 1454/99 · Nav aids1999-07-13 → 1999-07-14
    Kyle rhea light 57-14N 005-40W unlit
  18. HYDROLANT 1395/99 · Nav aids1999-07-06 → 1999-07-07
    Inishtrahull light 55-26N 007-15W unreliable until 070500Z jul
  19. HYDROLANT 1390/99 · Nav aids1999-07-06 → 1999-07-06
    Inishtrahull light 55-26N 007-15W unreliable
  20. HYDROLANT 1371/99 · Nav aids1999-07-02 → 2000-03-31
    Fog signal at dubh artach light 56-08N 006-38W permanently discontinued

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