19th March 2026
The MV Glen Sannox, intended to be a flagship vessel for the Arran route, has instead become a symbol of Scotland's ferry‑building troubles. Just days after returning from a three‑month overhaul meant to address vibration issues, the ship was withdrawn again due to a warning‑light fault on its port main engine.
This comes on top of:
Repeated vibration problems that previously caused hull cracking.
A history of structural issues, including cracks requiring reinforcement and new propellers.
A long and troubled construction, running six years late and four times over budget.
The result? Arran has repeatedly found itself cut off from the mainland, with both Glen Sannox and the older Caledonian Isles out of action at the same time.
How This Fits Into CalMac's Ongoing Crisis
The Glen Sannox is not an isolated failure—it's part of a systemic breakdown in Scotland’s ferry provision.
1. Chronic Fleet Fragility
CalMac’s ageing fleet means any new vessel is desperately needed. When Glen Sannox fails, there is no slack in the system. The backup catamaran was also away for maintenance when the latest fault hit.
Ferguson Marine’s Struggles
The shipyard’s collapse, nationalisation, redesigns, and repeated rework have created a project that has become a case study in mismanagement. The Glen Sannox’s problems are the legacy of:
design flaws
rushed fixes
inconsistent oversight
cost overruns
The second ferry in the pair is also delayed, with Holyrood committees openly doubting completion timelines.
Impact on Island Communities
Arran residents and businesses face:
cancelled sailings
supply chain disruption
tourism losses
reduced confidence in public transport
The ferry network is a lifeline, and repeated failures have real economic and social consequences.
Who Will Pay for the Latest Repairs?
The short answer - you will as the taxpayer.
Ferguson Marine has confirmed that the latest round of repairs—including new propellers, hull reinforcement, and vibration‑related fixes—will cost another £3.2 million.
This is on top of:
years of overruns
previous repair cycles
the enormous cost of nationalising the shipyard
There is no indication that CalMac or Ferguson Marine will absorb these new costs. Instead, they fall under the public funding already propping up the project.
What This Means Going Forward
The Glen Sannox was supposed to be a turning point for Scotland’s ferry network. Instead, it has become a symbol of:
structural failure in procurement
technical mismanagement
political embarrassment
ongoing financial liability
Until the vessel’s vibration and engine issues are fully resolved—and until the second ferry is delivered—the Scottish Government will continue to shoulder the financial burden, and island communities will continue to bear the practical consequences.
For all the details of the ferry fiasco go to
Scottieh Ferry Fiasco