SM U-4

SM U-4 or U-IV was a U-3-class submarine or U-boat built for and operated by the Austro-Hungarian Navy before and during the First World War. The submarine was built as part of a plan to evaluate foreign submarine designs, and was the second of two boats of the class built by Germaniawerft of Kiel, Germany.

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Wikimedia, Wikidata
submarine, Friedrich Krupp Germaniawerft, Austro-Hungarian Navy, German Reich,

Location: 40.0167, 17.7333, KML, Cluster Map, Maps,

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SM U-4 ⓘ
Austro-Hungarian Navy's U-3-class submarine

1907-03-12T00:00:00Z

keel laying

1908-11-20T00:00:00Z

ship launching

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Frameless

Austro-Hungarian SMU3

Havmanden-Xsection

SMU 16

Type	Subtype	Description	Notes	Source

object	watercraft	SM U-4	submarine	Wikidata
site	tower	Torre del Pizzo	fortified tower	Wikidata
site	tower	Torre Suda	Coastal towers in Salento, fortified tower, tower	Wikidata
commons	image	Austro-Hungarian SMU3		Commons
commons	image	Havmanden-Xsection		Commons
commons	image	SMU 16		Commons

SM U-4

From Warlike