Sir William Hillary in Wales for work
The RNLI's Douglas lifeboat is out of action.
The Sir William Hillary has been taken to Holyhead Marine in North Wales for an engine replacement - a procedure which isn't feasible on home shores.
The vessel has been temporarily replaced by long-serving Tyne class relief ship David Robinson.
RNLI Press Officer Mike Howland says its an inevitable situation, but won't cause any disruption: