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 1281/99 · Surveys1999-06-21 → 1999-07-31
    Oceanographic equipment marked by spar buoys, FL(5) y 20 sec, temporarily established in: a. 55-04.9N…
  2. HYDROLANT 1276/99 · Nav aids1999-06-21 → 1999-06-22
    Dubh artach light 56-08N 006-38W unreliable
  3. HYDROLANT 1239/99 · Nav aids1999-06-15 → 1999-06-15
    Dubh artach light 56-08N 006-38W unreliable
  4. HYDROLANT 1227/99 · Nav aids1999-06-12 → 1999-06-13
    Dubh artach light 56-08N 006-38W unreliable
  5. HYDROLANT 1161/99 · Cable ops1999-06-05 → 1999-06-10
    Cable operations in progress until further notice by cableship leon thevenin with submersible within one…
  6. HYDROLANT 1143/99 · Nav aids1999-06-04 → 1999-06-05
    Dubh artach light 56-08N 006-38W unreliable
  7. HYDROLANT 1103/99 · Cable ops1999-05-30 → 1999-06-05
    Cable operations in progress until further notice by cableship leon thevenin within one mile of 54-54N 005-34W
  8. HYDROLANT 1096/99 · Nav aids1999-05-29 → 1999-05-31
    Dubh artach light 56-08N 006-38W unlit
  9. HYDROLANT 1031/99 · Nav aids1999-05-20 → 2000-07-04
    Ushenish light 57-17.9N 007-11.5W temporarily changed to: fl w 20 sec 9 miles
  10. HYDROLANT 1029/99 · Nav aids1999-05-20 → 2000-08-02
    Rona light 57-34.7N 005-57.5W range temporarily reduced to 9 miles
  11. HYDROLANT 920/99 · Nav aids1999-05-06 → 1999-05-06
    Shiants buoy 57-55N 006-26W unlit
  12. HYDROLANT 795/99 · Mines1999-04-22 → 1999-04-22
    Possible mine reported adrift in 55-00.2N 005-18.4W at 221500Z apr
  13. HYDROLANT 792/99 · Nav aids1999-04-22 → 1999-04-22
    Corsewall point light 55-01N 005-10W unreliable
  14. HYDROLANT 742/99 · Cable ops1999-04-16 → 1999-04-17
    Cable operations in progress until further notice by M/V toisa mariner with submersible vicinity 55-15.5N…
  15. HYDROLANT 737/99 · Nav aids1999-04-15 → 1999-04-16
    Mc arthurs head light 55-46N 006-03W unlit
  16. HYDROLANT 726/99 · Nav aids1999-04-14 → 1999-04-15
    Sandaig islands light 57-10N 005-42W unlit
  17. HYDROLANT 725/99 · Cable ops1999-04-14 → 1999-04-16
    Cable operations in progress until further notice by M/V toisa mariner with submersible between 54-57N…
  18. HYDROLANT 717/99 · Nav aids1999-04-14 → 1999-04-14
    Lismore light 56-27N 005-36W unlit
  19. HYDROLANT 680/99 · Cable ops1999-04-07 → 1999-04-14
    Cable operations in progress until further notice by M/V toisa mariner with submersible in vicinity 54-54.3N…
  20. HYDROLANT 512/99 · Nav aids1999-03-15 → 1999-03-18
    Barra head light 56-47N 007-39W unreliable

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