RedactedNarrative: SCC received a call from USCG Station Ketchikan saying they overheard a radio call on CH 16 that someone was reporting an overturned vessel near Dall Head. SCC issued a UMIB and heard back from multiple vessels. One of the good samaritans was able to respond and rescue the three persons who were now in the water. No further medical assistance was required. Vessel was not recovered. Unable to get any further information despite calling number on MISLE - case information entered by Coast Guard personnel