. "SM ''UB-4''" . . . . . . . . . . "SM UB-4" . "SM UB-4" . "1.42E8" . . . . "1.27E8" . . . . . "1914-11-03" . . . "1915-03-23" . . . "Sunk by BritishQ-ship, 15 August 1915" . . . "11.98244" . "U4B" . . "1914-11-15" . "''UB-4''" . . . "3.15" . "US-4" . "28.1" . . . "UB-4" . . . .