The RNLI's St Peter Port All Weather Lifeboat (ALB) was launched by Guernsey Coastguard at 03:37 local time to go to the assistance of the sailing vessel Rose of Savannah with 5 persons on board.
The vessel broadcast a 'Pan Pan' alert asking for assistance as they had lost all power and electronics and were unsure of their position.
The 'Spirit of Guernsey' located the vessel 10 miles north of Guernsey at 04:42 local time. The skipper informed the RNLI crew they no longer required assistance and were proceeding to Cherbourg.
The ALB was stood down and returned to St Peter Port and was back on station at 05:27 local time.