The Marine Institute's survey vessel was towed to harbour this morning after losing power off the West Cork coast.
Celtic Voyager towed into port by Castletownbere Lifeboat
At around 9am, the 31-metre Celtic Voyagerand its 30-strong crew got into difficulty off Bantry Bayas power went down on the vessel, which contains wet, dry and chemical laboratories.
The Castletownbere lifeboat found the vessel at 9.45am in calm waters and in no danger.
The RNLI boat towed the Celtic Voyagerto Berehaven harbour where it managed to restart its engines and sail to Castletownbere Pier for refuelling.