WWI U-boats

UB 4

Type UB I
ShipyardGermaniawerft, Kiel (Werk 242)
Ordered 15 Nov 1914
Laid down 3 Nov 1914
Launched
Commissioned 23 Mar 1915
Commanders
23 Mar 1915 - 15 Aug 1915 Oblt. Karl GroƟ
Career 14 patrols
12 Apr 1915 - 15 Aug 1915 Flandern Flotilla
Successes4 ships sunk with a total of 10,942 tons. (View ships hit by UB 4)
Fate 15 Aug 1915 - Sunk by gunfire from Q-Ship Inverlyon off Yarmouth 5246N 0210E. 15 dead (all hands lost).

On 10 April, 1915 U-Flottille Flandern claimed its first victim when UB 4 sank a steamer with a torpedo in the North Sea.


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