Inshore lifeboat launched at 2230 to report of small rubber dinghy with outboard failure and now stuck on mud near Turk’s Boatyard, Chatham. 4 persons on board, possibly intoxicated. ILB was stood down at 2250, persons confirmed safe ashore with Medway CRT, dinghy secured. ILB returned to station at 2310, ready for service at 2330. Estly 2/3.