Typ UE I

===Description===
A large ocean-going submarine pattern with the properties of an attack submarine and added minelaying capabilities. U 71 and U 72 were built at the Vulcan shipyard in Hamburg, while U 73 and U 74 were constructed at the Kaiserliche Werft shipyard in Danzig.
===Ship data===
Performance
Endurance: 10747 km
Maximum speed: 11 kts
Armour protection
Armour: 1
Armament
1 x 10,5cm SK L/45. Ammo: 150 rounds
2 x 50cm G/6 Torpedoes. Ammo: 4 torpedoes
34 mines
===Ships in class===
* U 71
* U 72
* U 73
* U 74
Category:Kaiserliche Marine
Category:Ship type
Category:Submarine
Category:Minelaying Submarine
Category:Fleet Submarine