SM U-11 or U-XI was a submarine in the Austro - Hungarian Navy during World War . U-10 U-11 U-15 · U - 16 · Preceded.
SM U -5 or U-V was the lead boat of the U -5 class of submarines or U -boats built for and . On 16 May U -5 was conducting a training cruise in the Fasana.
SM U -17 or U -XVII was a U submarine or U -boat of the Austro - Hungarian Navy during . On 16 August, U -17, by now under the command of Linienschiffsleutnant Hermann Rigele, attempted a torpedo attack on a cargo ship off.