HMGC paged LNR @ 19:00hrs to a drifting dinghy with 1 person onboard near Cranfield point. Ardboe lifeboat quickly launched and proceeded in that direction. Approximately 1.2nm south of Cranfield the Lifeboat came across the casualty which was drifting in the northerly wind. Ardboe lifeboat quickly rescued the casualty and brought him back to Cranfield marina to join his friends. The Cox of Ardboe Lifeboat said the quick call to the coastguard and calmness saved their friends life. Lifeboat back in base at 20:10 hrs.