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26 August 2025
This year's annual maintenance period has increased from 668 overhaul days in 2024-2025 to 768 days. This reflects the reality of the age profile of the fleet which means more time and more intensive maintenance is required to ensure vessels are ready for the year ahead. We have shared the plan for vessels in the tables below.
Maintenance and overhaul of every vessel is essential to ensure all required works can be carried out to reduce risk of in-service breakdowns. We have planned the maintenance period with the maximum level of detail and consideration – based on our team’s knowledge of the vessels and we will continuously monitor the progress over the period. Like last year, several vessels will be subject to an extended annual maintenance period, to meet the requirements for a peak of scheduled maintenance and survey work, which is commensurate with the fleet age profile.
Our teams have planned the annual maintenance period with as much detail and consideration as possible, based on their knowledge of the vessels - and we are closely monitoring the progress of each maintenance period. We will ensure that colleagues, customers and communities are kept up to date as soon as we're aware of any challenges or changes to service.
This year's plan has been created building on lessons learned from previous years and is the best outcome possible for the network. We have closely listened to community feedback and we’re utilising the most suitable and preferred vessels wherever possible.
You can view the overhaul and maintenance plan and schedule for all vessels in the tables below
Route | Vessel Deployment | Dates |
Ardrossan/Troon-Brodick | MV Glen Sannox (Troon) | 20 October - 25 October 2025 |
MV Glen Sannox (Troon) and MV Alfred (Troon) | 26 October - 2 November 2025 | |
MV Glen Sannox (Troon) and MV Isle of Arran (Ardrossan) | 3 - 8 November 2025 | |
Vessel TBC (Troon) and MV Isle of Arran (Ardrossan) | 9 November - 21 November 2025 (AM) | |
Vessel TBC (Troon) | 21 November (PM) - 6 December 2025 | |
MV Glen Sannox (Troon) and vessel TBC (Troon) | 7 December 2025 - 26 March 2026 | |
Kennacraig-Islay | MV Finlaggan (single vessel) | 20 October 2025 – 26 March 2026 |
Further consideration of second vessel once MV Isle of Islay and MV Loch Indaal come into service. | ||
Mallaig-Armadale | MV Lochnevis | All winter |
Mallaig-Small Isles | MV Lochnevis | All winter |
Mallaig / Oban-Lochboisdale | MV Lord of the Isles | 20 October 2025 – 5 November 2025 |
MV Isle of Mull (combined Castlebay service) | 6 – 17 November 2025 | |
MV Isle of Mull | 18 – 22 November 2025 | |
MV Isle of Arran | 23 November – 9 December 2025 | |
MV Lord of the Isles | 10 December 2025 – 3 January 2026 | |
MV Isle of Mull | 4 – 29 January 2026 | |
MV Lord of the Isles | 30 January – 23 February 2026 | |
MV Isle of Mull (combined Castlebay service) | 24 February – 3 March 2026 | |
MV Isle of Mull | 4 – 26 March 2026 | |
Oban-Craignure | MV Loch Frisa (single vessel) | 20 October 2025 – 9 December 2025 |
MV Loch Frisa and MV Isle of Arran | 10 December 2025 – 15 March 2026 | |
MV Isle of Arran (single vessel) | 16 – 26 March 2026 | |
Oban-Castlebay | MV Isle of Mull | 20 October – 5 November 2025 |
MV Isle of Mull (combined Lochboisdale service) | 6 November – 17 November 2025 | |
MV Isle of Lewis | 18 November 2025 – 31 January 2026 | |
MV Isle of Mull | 1 February – 23 February 2026 | |
MV Isle of Mull (combined Lochboisdale service) | 24 February – 3 March 2026 | |
MV Isle of Lewis | 4 March – 26 March 2026 | |
Oban-Coll/Tiree | MV Clansman | 20 October 2025 – 3 January 2026 |
MV Lord of the Isles | 4 January – 27 January 2026 | |
MV Clansman | 28 January – 24 February 2026 | |
MV Lord of the Isles | 25 February – 26 March 2026 | |
Oban-Colonsay | MV Clansman | 20 October 2025 – 3 January 2026 |
MV Lord of the Isles | 4 January – 27 January 2026 | |
MV Clansman | 28 January - 24 February 2026 | |
MV Lord of the Isles | 25 February – 26 March 2026 | |
MV Isle of Arran will operate the service on Mondays except those Mondays where she is required elsewhere on the network. On these days the Monday service will be provided by MV Clansman. | ||
Uig-Tarbert/Lochmaddy | MV Alfred | 20 October – 24 October 2025 |
MV Hebrides | 25 October 2025 – 24 February 2026 | |
MV Clansman | 25 February – 25 March 2026 | |
MV Hebrides | From 26 March 2026 | |
Ullapool – Stornoway (Ro-PAX) | MV Isle of Lewis | 20 October – 16 November 2025 |
MV Loch Seaforth | 17 November 2025 – 26 March 2026 | |
Ullapool – Stornoway (Freight Service) | MV Hebrides | 20 October – 23 October 2025 |
MV Isle of Arran | 24 October – 1 November 2025 | |
Vessel tbc (MV Arrow) | 2 November – 15 November 2025 | |
MV Loch Seaforth | From 16 November 2025 | |
Wemyss Bay – Rothesay | MV Argyle and MV Coruisk | 20 October – 10 November 2025 |
MV Bute and MV Coruisk | 11 November – 2 December 2025 | |
MV Bute and MV Argyle | 3 December 2025 – 26 March 2026 |
Route |
Vessel Deployment |
Dates |
Barra-Eriskay |
MV Loch Alainn |
20 October 2025 - 10 November 2025 |
MV Loch Bhrusda |
11 November 2025 – 3 December 2025 |
|
MV Loch Alainn |
4 December 2025 – 26 March 2026 |
|
Berneray-Leverburgh |
MV Loch Portain |
20 October 2025 – 30 January 2026 |
MV Loch Bhrusda |
31 January 2026 – 22 March 2026 |
|
MV Loch Portain |
23 – 26 March 2026 |
|
Colintraive-Rhubodach
|
MV Loch Fyne |
20 – 29 October 2025 |
MV Loch Dunvegan |
30 October 2025 – 26 March 2026 |
|
Fionnphort-Iona |
MV Loch Buie |
Until 21 October 2025 |
MV Loch Riddon |
22 October 2025 – 12 November 2025 |
|
MV Loch Buie |
13 November 2025 – 26 March 2026 |
|
Gallanach-Kerrera |
MV Carvoria |
No overhaul impact |
Gourock-Dunoon |
MV Argyll Flyer and MV Ali Cat |
Until 25 October 2025 |
MV Argyll Flyer |
26 October 2025 – 10 November 2025 |
|
MV Argyll Flyer and MV Ali Cat |
11 November 2025 – 20 February 2026 |
|
MV Argyll Flyer |
21 February 2026 – 9 March 2026 |
|
MV Argyll Flyer |
10 March 2026 – 26 March 2026 |
|
MV Argyll Flyer and MV Ali Cat |
27 March 2026 onwards |
|
Gourock-Kilcreggan |
MV Chieftain |
20 October 2025 until 20 February 2026 |
MV Ali Cat |
21 February 2026 – 9 March 2026 |
|
MV Chieftain |
10 March 2026 – 26 March 2026 |
|
Largs-Cumbrae |
MV Loch Shira |
20 October 2025 – 18 January 2026 |
MV Loch Fyne |
19 January 2026 – 6 February 2026 |
|
MV Loch Shira |
7 February 2026 – 26 March 2026 |
|
Lochaline-Fishnish |
MV Lochinvar |
20 October 2025 – 13 March 2026 |
MV Loch Fyne |
14 March 2026 – 26 March 2026 |
|
Oban-Lismore |
MV Loch Striven |
20 October 2025 – 12 November 2025 |
MV Loch Riddon |
13 November 2025 – 1 December 2025 |
|
MV Loch Striven |
2 December 2025 – 26 March 2026
|
|
Tarbert-Portavadie / Lochranza |
MV Loch Tarbert |
20 October 2025 – 27 October 2025 |
MV Catriona |
28 October 2025 – 3 December 2025 |
|
MV Loch Fyne |
4 December 2025 – 23 December 2025 |
|
MV Catriona |
24 December 2025 – 26 March 2026 |
|
Tayinloan-Gigha |
MV Loch Ranza |
20 October 2025 – 2 January 2026 |
MV Loch Linnhe |
3 January 2026 – 21 January 2026 |
|
MV Loch Ranza |
22 January 2026 – 26 March 2026 |
|
Sconser-Raasay |
MV Hallaig |
No overhaul impact |
Tobermory-Kilchoan |
MV Loch Linnhe |
20 October 2025 – 02 December 2025 |
MV Loch Riddon |
02 December 2025 – 26 March 2026 |