SM U-125
| History | |
|---|---|
| German Empire | |
| Name | U-125 | 
| Ordered | 27 May 1916 | 
| Builder | Blohm & Voss, Hamburg | 
| Yard number | 302 | 
| Launched | 26 May 1918 | 
| Commissioned | 4 September 1918 | 
| Fate | Surrendered to Japan 26 November 1918, left service in 1935 | 
| General characteristics | |
| Class & type | Type UE II submarine | 
| Type | Coastal minelaying submarine | 
| Displacement | |
| Length | 
  | 
| Beam | 7.42 m (24 ft 4 in) | 
| Height | 10.16 m (33 ft 4 in) | 
| Draught | 4.22 m (13 ft 10 in) | 
| Installed power | 
  | 
| Propulsion | 2 shafts, 2 × 1.61 m (5 ft 3 in) propellers | 
| Speed | 
  | 
| Range | 
  | 
| Test depth | 75 m (246 ft) | 
| Complement | 4 officers, 36 enlisted | 
| Armament | 
  | 
| Service record | |
| Commanders: | 
  | 
| Operations: | None | 
| Victories: | None | 
SM U-125 was one of the 329 submarines serving in the Imperial German Navy in World War I. U-125 was engaged in the naval warfare and took part in the First Battle of the Atlantic.